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		<h1>THÉP TRÒN ĐẶC 40X</h1>
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			<li>Thứ hai - 30/03/2020 10:14</li>
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			<span style="font-size:18px;"><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif">Thép tròn đặc 40X là thép kết cấu hợp kim, được dùng trong công nghiệp nặng. Sản phẩm được sản xuất theo tiêu chuẩn DSTU 7806 và tiêu chuẩn GOST 4543.</span></span></span>
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			<span style="font-size:18px;"><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong>THÉP TRÒN ĐẶC 40X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></span><br  />
<span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif">Thép tròn 40X là thép kết cấu hợp kim, được dùng trong công nghiệp nặng. Sản phẩm được sản xuất theo tiêu chuẩn DSTU 7806 và tiêu chuẩn GOST 4543.</span></span><br  />
<span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>THÀNH PHẦN HOÁ H ỌC </b><strong>THÉP TRÒN ĐẶC 40X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong></span></span></span>
<table class="MsoTableGrid" style="border-collapse:collapse; border:solid windowtext 1.0pt">
	<tbody>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:56.35pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="75"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Mác thép</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:51.1pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">C</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:51.55pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="69"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Si</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:53.05pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="71"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Mn</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:50.8pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">P</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:50.8pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">S</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:52.0pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="69"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Cr</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:52.45pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="70"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Cu</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:49.4pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="66"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Ni</span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:56.35pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="75"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">GOST 4543 40X</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:51.1pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">0.36-0.44</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:51.55pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="69"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">0.17-0.37</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:53.05pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="71"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">0.5-0.8</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:50.8pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">&lt;0.035</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:50.8pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="68"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">&lt;0.035</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:52.0pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="69"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">0.8-1.1</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:52.45pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="70"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">&lt;0.3</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:49.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="66"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">&lt;0.3</span></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<span style="font-size:18px;"><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b>MÁC THÉP TƯƠNG ĐƯƠNG </b><strong>THÉP TRÒN ĐẶC 40X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong></span></span></span><br  />
&nbsp;
<table class="MsoTableGrid" style="border-collapse:collapse; border:solid windowtext 1.0pt">
	<tbody>
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			<td style="border:solid windowtext 1.0pt; width:66.75pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Mác thép</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:66.75pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Độ bền kéo Mpa</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:66.8pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Giới hạn chảy MPa</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:66.8pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Độ dãn dài %</span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:66.8pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Tỷ lệ độc</span></span></span><br  />
			&nbsp;</td>
			<td style="border:solid windowtext 1.0pt; width:133.6pt; border-left:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="178"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Nhiệt luyện</span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:66.75pt; border-top:none; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Mác thép 40X</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:66.75pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">980</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:66.8pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">785</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:66.8pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">10</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:66.8pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="89"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">45</span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:133.6pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="178"><span style="font-size:18px;"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif">Tôi dầu 860°С, Làm cứng 500°С</span></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<span style="font-size:18px;"><strong><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif">ỨNG DỤNG </span></span></strong><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong>THÉP TRÒN ĐẶC 40X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong></span></span><br  />
<span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Thép hợp kim kết cấu 40X được sử dụng trong các bộ phận nặng (trục, trục bánh răng, pít tông, thanh, trục khuỷu và trục cam, vòng, trục chính, chân trôi, bạt, bánh răng, bu lông, nửa trục, ống lót, ốc vít, v.v.) . Thép crom 40X cũng được sử dụng trong các thành phần rèn, lạnh và dập nóng, và sản phẩm thép được sử dụng trong đường ống, bể chứa và sản xuất khác.</span></span><br  />
<strong><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">KHẢ NĂNG HÀN CỦA </span></span></strong><span style="line-height:107%"><span style="font-family:&#039;Times New Roman&#039;,serif"><strong>THÉP TRÒN ĐẶC 40X&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</strong></span></span><br  />
<span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">Thép 40Х rất khó hàn, với đường nối hàn là một trong những lý do chính cho các sai sót trong vật liệu. Như vậy, các thành phần thép 40X được làm nóng trước khi hàn, giúp tránh được nhiều vấn đề tiềm ẩn khi sử dụng thành phẩm.<br  />
<img alt="thep tron 40x" height="768" src="http://www.thepthuanthien.com/uploads/news/2020_03/thep-tron-40x.jpg" width="1024" /></span></span></span><br  />
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