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		<h1>THÉP TRÒN ĐẶC 1018</h1>
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			<li>Thứ năm - 14/11/2019 09:51</li>
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			<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">THÉP TRÒN ĐẶC&nbsp; C1018 là một loại thép carbon đa dụng, dễ gia công và hàn và có thể được làm cứng bằng phương pháp cacbon hóa và bằng các phương pháp làm cứng bề mặt khác<b>.</b></span></span></span></span></span></span>
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			<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">THÉP TRÒN ĐẶC 1018 </span></span></span></b></span></span></span>
<ol>
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thép 1018 là gì?</span></span></span></b></span></span></span></li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thép AISI 1018 là thép carbon thấp, có khả năng hàn cực tốt. Nó được coi là thép tốt nhất cho các thành phần carbon hóa. Độ bền kéo thấp, độ dẻo cao, khả năng tạo hình tốt. Được cung cấp với tính chất cơ lý ưu việt, thép 1018 cán nóng có các tính chất của thép chế tạo máy.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Quá trình sản xuất được kiểm soát chặt chẽ từ bề mặt, thành phần hóa học, quá trình cán thép, nhiệt luyện. Sản phẩm phù hợp cho quá trình hàn, rèn, khoan, tạo máy, kéo nguội, cán nóng.</span></span></span></span></span></span>

<ol start="2">
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">THÀNH PHẦN HÓA HỌC&nbsp;THÉP TRÒN ĐẶC 1018</span></span></span></b></span></span></span></li>
</ol>

<table class="MsoTableGrid" style="border-collapse:collapse; border:solid windowtext 1.0pt">
	<tbody>
		<tr>
			<td style="border: 1pt solid windowtext; width: 79.8pt; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mác thép</span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-left: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C</span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-left: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Si</span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-left: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mn</span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-left: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">P</span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid windowtext; border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-left: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">S</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid windowtext; border-bottom: 1pt solid windowtext; border-left: 1pt solid windowtext; border-image: initial; width: 79.8pt; border-top: none; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">AISI 1018</span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid windowtext; width: 79.8pt; border-top: none; border-left: none; border-right: 1pt solid windowtext; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.14-0.20</span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid windowtext; width: 79.8pt; border-top: none; border-left: none; border-right: 1pt solid windowtext; padding: 0in 5.4pt; text-align: center;" valign="top" width="133">&nbsp;</td>
			<td style="border-bottom: 1pt solid windowtext; width: 79.8pt; border-top: none; border-left: none; border-right: 1pt solid windowtext; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.60-0.90</span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid windowtext; width: 79.8pt; border-top: none; border-left: none; border-right: 1pt solid windowtext; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≤0.040</span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid windowtext; width: 79.8pt; border-top: none; border-left: none; border-right: 1pt solid windowtext; padding: 0in 5.4pt; text-align: center;" valign="top" width="133"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≤0.050</span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
&nbsp;

<ol start="3">
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">TÍNH CHẤT CƠ LÝ&nbsp;THÉP TRÒN ĐẶC 1018</span></span></span></b></span></span></span></li>
</ol>

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	<tbody>
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			<td style="border:solid windowtext 1.0pt; width:239.4pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ bền kéo</span></span></span></span></span></span></td>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-left:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">440Mpa</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giới hạn chảy</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">205 Mpa</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ dãn dài tại điểm đứt (50mm)</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≥15%</span></span></span></span></span></span></td>
		</tr>
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			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giảm diện tích</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">40%</span></span></span></span></span></span></td>
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			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mô đum Bulk</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">140GPa</span></span></span></span></span></span></td>
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		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mô đum cắt</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">80GPA</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tỷ lệ độc</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.29</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng Brillness</span></span></span></span></span></span><br  />
			<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng knop</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">126 HB</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng Rockwell</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">71</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng Vickers</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">131</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khả năng chế tạo máy</span></span></span></span></span></span><br  />
			<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">( dựa vào thép AISI 1212 là 100%)</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">70%</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid windowtext 1.0pt; width:239.4pt; border-top:none; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mô đum đàn hồi</span></span></span></span></span></span></td>
			<td style="border-bottom:solid windowtext 1.0pt; width:239.4pt; border-top:none; border-left:none; border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt" valign="top" width="399"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">205GPA</span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
&nbsp;

<ol start="4">
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khả năng chế tao máy</span></span></span></b></span></span></span></li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khả năng chế tạo máy của thép carbon thấp 1018 được tính bằng 78% của thép b1112.</span></span></span></span></span></span>

<ol start="5">
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Khả năng hàn</span></span></span></b></span></span></span></li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thép 1018 là thép carbon thấp, (C -.14-0.20%) nên thép có thể được hàn liên tục. Thép 1018 được khuyến cáo không nên sử dụng để hàn khi thép đã bị oxy hóa hoặc carbon hóa. </span></span></span></span></span></span>

<ol start="6">
	<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nhiệt trị</span></span></span></b></span></span></span></li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Nhiệt trị thép bao gồm các tiến trình</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol>
		<li style="margin:0in 0in 0.0001pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thường hóa thép</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thép nên được làm nóng từ từ tới 890-940<sup>0</sup>C rồi sau đó làm nguội từ từ tới nhiệt độ phòng.</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="2">
		<li style="margin:0in 0in 0.0001pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Rèn thép</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tiến trình rèn thép yêu cầu nhiệt độ 1150-1280<sup>0</sup>C và giữ nhiệt độ ổn định liên tục cho tới khi thép tạo hình.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giữ nhiệt liên tục ở 900<sup>0</sup>C và sau đó làm lạnh trong không khí.</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="3">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ram thép (tempering)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Thép được giữ ở nhiệt độ 150-200<sup>0</sup>C để tang độ dẻo dai của thép. Tiến trình này không ảnh hưởng tới độ cứng của thép.</span></span></span></span></span></span><br  />
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tiến trình này làm giảm khả năng đứt gãy nội bộ của thép nên nhiệt độ không nên quá nhiệt độ đã được chỉ định</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="4">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ủ thép (Annealing)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ủ thép tại nhiệt độ 870-910<sup>0 </sup>C rồi cho phép làm lạnh từ từ trong lò.</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="5">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giảm tải cho thép (stress Relieving)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giữ thép ở nhiệt độ 500-700<sup> độ </sup>C để giảm tải cho thép sau đó làm lạnh từ từ trong không khí.</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="6">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tôi thép (hardening)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giữ thép ở nhiệt độ 780-820<sup>0</sup>C sau đó luyện trong nước.</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="7">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tinh luyện (Core refining)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Tinh luyện thép ở nhiệt độ 880-920 độ C</span></span></span></span></span></span>

<ol>
	<li style="list-style-type:none">
	<ol start="8">
		<li style="margin:0in 0in 10pt 0.5in"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Carbon hóa (carburizing)</span></span></span></span></span></span></li>
	</ol>
	</li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Carbon hóa ở nhiệt độ 880-920Đọ C</span></span></span></span></span></span>

<ol start="7">
	<li style="margin:0in 0in 0.0001pt 0.5in"><strong><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ứng dụng THÉP TRÒN ĐẶC 1018</span></span></span></span></span></span></strong></li>
</ol>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:15.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Loại thép này được sử dụng cho các trục động cơ rèn, trục thủy lực và trục bơm, cũng như các bộ phận máy móc. Nó sẽ được sử dụng cho các ứng dụng như vậy trong điều kiện cứng bề mặt</span></span></span></span></span></span><br  />
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