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		<h1>THÉP TRÒN ĐẶC SCM440</h1>
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			<li>Thứ sáu - 23/11/2018 21:51</li>
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			<h2>Thép tròn đặc SCM440 nhập khẩu với các ưu điểm: sức bền kéo và tỷ lệ phần trăm độ dãn dài tốt hơn thép Cr; độ cứng tốt hơn, chịu tác động nhiều môi trường</h2>
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<strong><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Định danh Thép tròn đặc SCM440</span></span></span></span></span></span></span></strong><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc SCM440 </span></span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">&nbsp;là một loại thép hợp kim thấp có chứa crôm và molypden làm chất tăng cường. </span></span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Hàm lượng chrom 0.9-1.2%, Molyb 0.15-0.30%</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc SCM440</span></span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">&nbsp;là một hợp kim linh hoạt với khả năng chống ăn mòn khí quyển tốt và độ bền hợp lý. Nó cho thấy sự kết hợp tổng thể tốt của sức mạnh, độ dẻo dai, chống mài mòn và độ bền mỏi.</span></span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">&nbsp;Thép tròn đặc SCM440 là thép công cụ chủ yếu sử dụng trong công nghệ chế tạo bánh răng, xích truyền tải, truyền động</span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">THÀNH PHẦN HOÁ HỌC</span></span></span></span></b><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">&nbsp;THÉP TRÒN ĐẶC SCM440</span></span></span></span></b></span></span></span></span>
<table class="Table" style="border-collapse:collapse;border:1pt solid windowtext;font-family:&#039;Times New Roman&#039;;font-size:10pt;width:100%;">
	<tbody>
		<tr>
			<td rowspan="2" style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="196"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Mác thép</span></span></span></span></span></span></span></td>
			<td colspan="7" style="border-bottom:1.0000pt solid windowtext; width:588.3000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="784"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Nguyên tố hoá học</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">C</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Si</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Mn</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">P</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">S</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Cr</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Mo</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="196">&nbsp;</td>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.38-0.43</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-0.35</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.6-0.9</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.9-1.2</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-.025</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="196"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc 42CrMo4</span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.38-0.45</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.40</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.6-0.9</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.035</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.035</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.9-1.2</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-.030</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="196"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc 42CrMo</span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.038-0.045</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.17-0.37</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.50-0.80</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.9-1.2</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-.025</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="196"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc 1.7225</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.38-0.45</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.40</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.6-0.9</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.035</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.035</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.9-1.2</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-.030</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:147.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="196"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thép tròn đặc 4140</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:78.0000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="104"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.38-0.43</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:63.7500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="85"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-0.35</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:70.9000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.75-1.00</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:77.9500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="103"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.035</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:113.4000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="151"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">≤0.040</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:99.2500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="132"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.8-1.1</span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:85.0500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">0.15-0.25</span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">TÍNH CHẤT CƠ LÝ</span></span></span></span></b><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">&nbsp;Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span>

<table class="Table" style="border-collapse:collapse; margin-left:4.6500pt; border:none; font-family:&#039;Times New Roman&#039;; font-size:10pt">
	<tbody>
		<tr>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:44.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="59"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Kích thước </span></span></span></span></span></span></span></span><br  />
			<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">&nbsp;Ø mm</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:104.3000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="139"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Giới hạn chảy</span></span></span></span><br  />
			<span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Rp0.2,N/nn2, min.</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Độ bền kéo,</span></span></span></span><br  />
			<span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Rm,N/nn2</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Độ giãn dài</span></span></span></span><br  />
			<span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">A5,%, min.</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:89.4000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="119"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Đọ cứng HB</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:293.2000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="390"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">Độ bền</span></span></span></span><br  />
			<span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">KV, Joule, min.</span></span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:44.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="59"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">&lt;40</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:104.3000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="139"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">750</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">1000-1200</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">11</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:89.4000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="119"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">295-355</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:293.2000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="390"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">35 at 20ºC</span></span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:44.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="59"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">40-95</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:104.3000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="139"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">650</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">900-1100</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">12</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:89.4000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="119"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">265-325</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:293.2000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="390"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">35 at 20ºC</span></span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:44.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="59"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">&gt;95</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:104.3000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="139"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">550</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">800-950</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:101.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="135"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">13</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:89.4000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="119"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">235-295</span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:none; background:rgb(255, 255, 255); width:293.2000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:none; border-top:none" valign="center" width="390"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(51, 51, 51);">35 at 20ºC</span></span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">MÁC THÉP TƯƠNG ĐƯƠNG</span></span></span></span></b><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">&nbsp;Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span>

<table align="center" class="Table" style="border-collapse:collapse;border:1pt solid rgb(0, 0, 0);font-family:&#039;Times New Roman&#039;;font-size:10pt;width:100%;">
	<tbody>
		<tr style="height:14.2500pt">
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.3500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:1.0000pt solid rgb(0, 0, 0); border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">EU</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:70.8500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Mỹ</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:85.0500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Đức</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:97.7500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="130"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Nhật</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:63.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="84"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Pháp</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Anh</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Italy</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:56.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="75"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Tây Ban Nha</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:48.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="65"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Trung QUốc</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:51.0000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="68"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Nga</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:1.0000pt solid rgb(0, 0, 0);" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">Quốc tế</span></span></span></span></span></span></span></span></span></td>
		</tr>
		<tr style="height:14.2500pt">
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.3500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:1.0000pt solid rgb(0, 0, 0); border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">EN</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:70.8500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">-</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:85.0500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">DIN,WNr</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:97.7500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="130"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">JIS</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:63.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="84"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">AFNOR</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">BS</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">UNI</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:56.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="75"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">UNE</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:48.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="65"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">GB</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:51.0000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="68"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">GOST</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">ISO</span></span></span></span></span></span></span></span></span></td>
		</tr>
		<tr style="height:14.2500pt">
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.3500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:1.0000pt solid rgb(0, 0, 0); border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CrMo4</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:70.8500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="94"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">4140</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:85.0500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="113"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CrMo4</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:97.7500pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="130"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">SCM440H</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:63.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="84"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CD4</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">708M40</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:58.8000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="78"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CrMo4</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:56.7000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="75"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">40CrMo4</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:48.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="65"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CrMo</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:51.0000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="68"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">35KHM</span></span></span></span></span></span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid rgb(0, 0, 0); background:rgb(255, 255, 255); width:65.9000pt; padding:0.7500pt 0.7500pt 0.7500pt 0.7500pt ; border-left:none; border-right:1.0000pt solid rgb(0, 0, 0); border-top:none" valign="bottom" width="87"><span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="vertical-align:bottom"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:13.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="color:rgb(0, 0, 0);">42CrMo4</span></span></span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Nhiệt luyện (HEAT TREATMENT)</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Xử lý nhiệt được thực hiện sau khi gia công nóng để làm cho thép phù hợp để gia công và để đáp ứng các phạm vi tính chất cơ học được chỉ định cho các ứng dụng cụ thể của thép.</span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Ủ thép (ANNEALING)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Việc rèn lớp </span></span></span><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">&nbsp;có thể được ủ bằng cách chuyển các bộ phận trực tiếp từ hoạt động rèn sang lò được giữ ở nhiệt độ thích hợp, trong khoảng từ 1450 đến 1550 º F (790 và 840 º C), giữ trong thời gian thích hợp sau đó làm nguội lò, tạo thành một kết cấu phù hợp cho gia công. Loại điều trị này được sử dụng tốt nhất cho các bộ phận có hình dạng đơn giản. Nếu một số khu vực rèn sẽ lạnh hơn nhiều so với các khu vực khác thì sẽ không thu được cấu trúc đồng nhất, trong trường hợp đó có thể sử dụng phương pháp ủ hình cầu ở khoảng 1380 º F (750 º C). Có thể nói rằng kinh nghiệm một mình sẽ quyết định loại xử lý ủ tốt nhất được sử dụng trước khi gia công.</span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Thường hoá thép (NORMALIZING)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Quá trình này được định nghĩa là làm nóng thép đến nhiệt độ trên phạm vi biến đổi ferrite thành austenite và sau đó làm mát trong không khí đến nhiệt độ thấp hơn phạm vi biến đổi này. Điều trị này có thể được thực hiện trên các sản phẩm giả mạo như là một điều trị điều hòa trước khi xử lý nhiệt cuối cùng. Bình thường hóa cũng phục vụ để tinh chỉnh cấu trúc của các vật rèn có thể đã làm nguội không đồng đều từ hoạt động rèn của chúng. Nhiệt độ chuẩn hóa danh nghĩa cho loại 4140 là 1600 º F (870 º C), nhưng kinh nghiệm sản xuất có thể cần nhiệt độ 50 º F (10 º C) trên hoặc dưới con số này. Trong thực tế khi các vật rèn được chuẩn hóa trước đó, giả sử, chế hòa khí hoặc làm cứng và ủ, phạm vi trên của nhiệt độ chuẩn hóa được sử dụng. Khi chuẩn hóa là xử lý nhiệt cuối cùng, phạm vi nhiệt độ thấp hơn được sử dụng.</span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Làm cứng (HARDENING)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Quá trình xử lý nhiệt này dẫn đến sự hình thành của martensite sau khi làm nguội, do đó làm tăng đáng kể độ cứng và độ bền kéo cùng với một số mất độ dẻo. Thép nên được kích thích ở 1500 đến 1550 º F (815 đến 845 º C), nhiệt độ thực tế là một chức năng của thành phần hóa học trong phạm vi cho phép, kích thước tiết diện và phương pháp làm mát. Austenitizing phải đảm bảo tất cả các thành phần vi mô trong thép được chuyển thành austenite. Các phần nhỏ hơn của 4140 có thể được làm nguội trong dầu, các phần nặng hơn trong nước.</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Nhiệt độ được thực hiện để giảm bớt căng thẳng từ quá trình đông cứng, nhưng chủ yếu là để có được các tính chất cơ học cần thiết. Nhiệt độ ủ thực tế sẽ được chọn để đáp ứng các tính chất cần thiết, và trong nhiều trường hợp sẽ là vấn đề thử nghiệm và sai sót.</span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Khả năng chế tạo (MACHINABILITY)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Các hợp kim là dễ dàng gia công. Các hình dạng đơn giản có thể được gia công sau khi xử lý chuẩn hóa, trong khi các hình dạng phức tạp hơn sẽ yêu cầu ủ. . Ở cấp độ carbon của loại này, một cấu trúc của ngọc lamellar thô đến spheroidite thô thường là tối ưu cho khả năng gia công</span></span></span></span></span></span></span><br  />
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<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Khả năng hàn (WELDABILITY)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Lớp này có khả năng hàn tốt và có thể được hàn bằng bất kỳ phương pháp thương mại nào. Các bộ phận nên được làm nóng trước khi hàn ở khoảng 1100 º F (590 º C) và giảm căng thẳng sau. Các bộ phận trong điều kiện cứng và nóng không nên được hàn vì tính chất cơ học sẽ bị ảnh hưởng bất lợi. Các bộ phận chỉ được hàn trong điều kiện ủ.</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Khả năng tạo hình lanh (COLD FORMABILITY)</span></span></span>&nbsp;<b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Bất kỳ hình thành lạnh trên hợp kim này nên được thực hiện trên vật liệu có cấu trúc hình cầu. Xử lý nhiệt hơn nữa, làm cứng và ủ, được thực hiện khi áp dụng trên phần cuối cùng hình thành.</span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">CÁC ỨNG DỤNG</span></span></span></span></b><b>&nbsp;</b><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%"><span style="font-weight:bold">Thép tròn đặc SCM440</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Hợp kim này tìm thấy nhiều ứng dụng &nbsp;cho ngành công nghiệp hàng không vũ trụ và dầu khí, cùng với vô số ứng dụng trong ngành công nghiệp ô tô, nông nghiệp và quốc phòng, Sử dụng điển hình là bánh răng và trục, cọc, đồ gá, đồ gá và cổ áo.FORGING</span></span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="text-justify:inter-ideograph"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="line-height:150%">Việc rèn thép này nên được thực hiện trong khoảng từ 2200 đến 1650 º F (1200 đến 900 º C). Nhiệt độ hoàn thiện càng thấp từ quá trình rèn, độ mịn sẽ là kích thước hạt. Hợp kim này lý tưởng không nên được rèn dưới 1650 º F (900 º C) và nên được làm lạnh chậm sau khi rèn.</span></span></span></span></span></span></span>

<h2>Hình ảnh thép tròn đặc SCM440</h2>
<img alt="thep tron dac scm440 han quoc" height="960" src="http://www.thepthuanthien.com/uploads/news/2018_11/thep-tron-dac-scm440-han-quoc.jpg" width="480" /><br  />
Thép tròn đặc SCM440 Trung QUốc<br  />
<img alt="thep tron dac scm440 trung quoc" height="350" src="http://www.thepthuanthien.com/uploads/news/2018_11/thep-tron-dac-scm440-trung-quoc.jpg" width="720" />
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				<strong>Tác giả bài viết:</strong>
				Thép Thuận Thiên
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