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		<h1>THÉP TRÒN DIN 1.2344 </h1>
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			<li>Thứ năm - 03/10/2019 11:51</li>
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			<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">THÉP DIN&nbsp;</span></span></span></span><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif">1.2344</span></span></span></b><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif">&nbsp;<br  />
<span style="color:black">Thép tròn DIN 1.2344 là thép công cụ cán nóng, cạn nguội. Thép tròn DIN 1.2344 là thép hợp kim bao gồm Chrom, Molip, Vanadium, có khả năng chống lại sự mài mòn, oxy hoá và độ mỏi về nhiệt của thép. Thành phần Molyb và Vanadium giúp sắt tăng tường độ bền kéo trong khi thành phần Chrome giúp cho thép DIN 1.2344 chống lại quá trình mềm hoá thép trong môi trường nhiệt độ cao. Sự kết hợp các nguyên tố tạo thành hợp kim chống lại độ rung, độ mài mòn sắt và tăng cường độ cứng, cưỡng lại quá trình thay đổi nhiệt độ đột ngột.</span></span></span></span></span></span></span></span>
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<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Thép DIN 1.2344&nbsp; có khả năng chế tạo tốt, có khả năng hàn, khả năng tạo hình. Thép có các tính chất đặc trưng</span></span></span></span></span></span></span></span>
<ul>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">&nbsp;1.</span></span></span> <span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Khả năng chống mài mòn tốt ở cả nhiệt độ thấp và cao</span></span></span></span></span></span></span></li>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Độ cứng tốt và độ dẻo cao</span></span></span></span></span></span></span></li>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Đồng nhất về chất, khả năng chế tạo máy cao, bề mặt bóng</span></span></span></span></span></span></span></li>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Độ bền cao trong môi trường có nhiệt độ biến đổi và chống lại độ mỏi của thép</span></span></span></span></span></span></span></li>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Tính chất được ổn định khi tôi và ram thép</span></span></span></span></span></span></span></li>
	<li style="text-align:justify; margin:0cm 0cm 8pt"><span style="font-size:14pt"><span style="line-height:normal"><span style="tab-stops:list 36.0pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:13.0pt"><span style="background:white"><span style="color:rgb(51, 51, 51);">Hạn chế tối đa sự xáo trộn phân tử khi làm cứng thép</span></span></span></span></span></span></span></li>
</ul>
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<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">1. Thành phần hoá học</span></span></span></span></b></span></span></span></span>

<table class="Table" style="width:594.0pt; background:white; border-collapse:collapse; border:solid rgb(240, 240, 240); 1.0pt" width="792">
	<tbody>
		<tr>
			<td style="border: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">C(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 54pt; border-left: none; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.32</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.45</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 80.25pt; border-left: none; padding: 4.5pt; text-align: center;" width="107"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Si(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 54pt; border-left: none; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.80</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">1.20</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 69pt; border-left: none; padding: 4.5pt; text-align: center;" width="92"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Mn(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 54pt; border-left: none; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.20</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.50</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 54pt; border-top: none; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">P(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 80.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="107"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">S(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">≤0.030</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 69pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="92"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Cr(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">4.75</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">5.50</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 54pt; border-top: none; padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Mo(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">1.10</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">1.75</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 80.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="107"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">V(</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">％</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">)</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.80</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;"><span style="color:black">～</span></span></span></span><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">1.20</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 69pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="92"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;</span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 54pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="72"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;</span></span></span></td>
		</tr>
	</tbody>
</table>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">2. Ứng dụng</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Thép công cụ H-13 được sử dụng trong khuôn rèn nóng, khuôn dập nóng, khuôn kẹp nóng, dụng cụ đai ốc nóng, khuôn dập nóng, khuôn đồng thau và khuôn dập, khuôn nhôm rèn nóng, đúc nhôm và khuôn đùn, đúc kẽm chết, ép đùn, khuôn nhựa, lõi, khối giữ chết, búa nóng…</span></span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">4. Rèn thép</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">.</span></span></span></span> <span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Để rèn thép công cụ DIN1.2344, trước tiên hãy làm nóng từ từ đến 750 ° C (1382 ° F), ngâm đủ thời gian, sau đó làm nóng nhanh đến 1050-1100 ° C (1922-2030 ° F). sau đó bắt đầu rèn, đảm bảo nhiệt độ rèn cao hơn 850 ° C (1562 ° F). Thép công cụ DIN 1.2344 nguội phải chậm sau khi rèn thép DIN1.2344 xong</span></span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">5.&nbsp;ủ thép</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Hâm nóng đến 840-860 ° C (1544-1580 ° F), Ngâm kỹ trước khi làm nguội lò với tốc độ tối đa 20 ° C (68 ° F) / giờ, Làm mát xuống 600 ° C (1112 ° F). Sau đó làm mát trong không khí.</span></span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">6. Giảm độ căng của thép</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Trước khi làm sản phẩm, công cụ giảm căng thẳng thép là rất cần thiết. Khi thép công cụ DIN 1.2344 được nghiền, gia công mạnh, cắt, phay, việc giảm các chủng bên trong là cần thiết trước khi làm cứng để giảm thiểu khả năng biến dạng. để giảm căng thẳng, làm nóng thành phần thép DIN 1.2344 đến 700 ° C (1292 ° F) một cách cẩn thận, Nhận đủ thời gian ngâm. Sau đó làm mát trong lò hoặc làm mát trong không khí.</span></span></span></span></span></span></span></span><br  />
<br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">7. Tôi</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">trước tiên nên làm nóng trước các bộ phận thép công cụ DIN 1.2344 đến 780-820 ° C (1436-1508 ° F), Ngâm đủ thời gian, đảm bảo ngâm kỹ. sau đó làm nóng nhanh đến 1000-1030 ° C (1832-1886 ° F), ngâm khoảng 30 phút. mát trong không khí hoặc dầu.</span></span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">8. Ram</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Làm nóng các bộ phận thép của công cụ DIN 1.2344 đến nhiệt độ ủ, ngâm đủ thời gian cho đến khi ngâm kỹ. Phạm vi nhiệt độ ủ thông thường là 400-650 ° C (752-1202 ° F), Nó phụ thuộc vào độ cứng của dụng cụ yêu cầu và nhiệt độ vận hành. Dữ liệu ủ DIN 1.2344 để bạn tham khảo như sau:</span></span></span></span></span></span></span></span>

<table class="Table" style="width:594.0pt; background:white; border-collapse:collapse; border:solid rgb(240, 240, 240); 1.0pt" width="792">
	<tbody>
		<tr>
			<td style="border: 1pt solid rgb(240, 240, 240); background: white; width: 98.25pt; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Nhiệt độ &#91;°C&#93;</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 91.5pt; border-left: none; padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">400</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 104.25pt; border-left: none; padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">500</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 75pt; border-left: none; padding: 4.5pt; text-align: center;" width="100"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">550</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 69pt; border-left: none; padding: 4.5pt; text-align: center;" width="92"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">600</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 65.25pt; border-left: none; padding: 4.5pt; text-align: center;" width="87"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">650</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 98.25pt; border-top: none; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Độ cứng &#91;HRc&#93;</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 91.5pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">54</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 104.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">56</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 75pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="100"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">54</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 69pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="92"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">49</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 65.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="87"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">47</span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">9. làm giàu thép</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Trên một số công cụ đặc biệt yêu cầu, độ cứng cao hơn được yêu cầu. quá trình làm giàu thép DIN 1.2344 có thể có một trường hợp bề mặt cứng. Sau làm giàu thép, thép công cụ gia công nóng DIN 1.2344 sẽ có khả năng chống mài mòn và bề mặt. Dữ liệu làm giàu quặng thép điển hình để bạn tham khảo như sau:</span></span></span></span></span></span></span></span>

<table class="Table" style="width:594.0pt; background:white; border-collapse:collapse; border:solid rgb(240, 240, 240); 1.0pt" width="792">
	<tbody>
		<tr>
			<td style="border: 1pt solid rgb(240, 240, 240); background: white; width: 98.25pt; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Nhiệt</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 91.5pt; border-left: none; padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Thời gian</span></span></span></span></span></span></span></td>
			<td style="border-top: 1pt solid rgb(240, 240, 240); border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 104.25pt; border-left: none; padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Sấp xỉ</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 98.25pt; border-top: none; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">525°C</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 91.5pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">10 giờ</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 104.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.125mm</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 98.25pt; border-top: none; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">525°C</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 91.5pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">20 giờ</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 104.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.180mm</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 98.25pt; border-top: none; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">525°C</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 91.5pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">40 giờ</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 104.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.250mm</span></span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-right: 1pt solid rgb(240, 240, 240); border-bottom: 1pt solid rgb(240, 240, 240); border-left: 1pt solid rgb(240, 240, 240); border-image: initial; background: white; width: 98.25pt; border-top: none; padding: 4.5pt; text-align: center;" width="131"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">525°C</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 91.5pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="122"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">60 giờ</span></span></span></span></span></span></span></td>
			<td style="border-bottom: 1pt solid rgb(240, 240, 240); background: white; width: 104.25pt; border-top: none; border-left: none; border-right: 1pt solid rgb(240, 240, 240); padding: 4.5pt; text-align: center;" width="139"><span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">0.300mm</span></span></span></span></span></span></span></td>
		</tr>
	</tbody>
</table>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif">&nbsp;</span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">10. Nhiệt luyện</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:10.5pt"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">Xử lý nhiệt DIN 1.2344, bao gồm nhiệt độ xử lý nhiệt, tốc độ gia nhiệt, làm mát và thời gian ngâm. chúng phụ thuộc vào kích thước và hình dạng bộ phận thép của công cụ DIN 1.2344 và các điều kiện Khí hậu cục bộ của bạn. Vì vậy, nếu có thể, chúng tôi khuyên bạn nên liên hệ với nhà cung cấp xử lý nhiệt của bạn để được hướng dẫn đầy đủ về xử lý nhiệt.</span></span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0cm 0cm 8pt">
<hr align="center" noshade="noshade" size="2" style="color:black" width="100%" /></div>
<span style="font-size:14pt"><span style="background:white"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span style="border:none windowtext 1.0pt; font-size:10.5pt; padding:0cm"><span style="line-height:150%"><span style="font-family:&#039;Arial&#039;,sans-serif"><span style="color:black">11. Mài thép công cụ</span></span></span></span></b></span></span></span></span><br  />
<span style="font-size:14pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:12.0pt"><span style="line-height:150%">Để có được bề mặt sáng và kích thước chính xác, Nếu mài khô, sử dụng mài bánh xe rất mềm sẽ tốt hơn.</span></span></span></span></span><br  />
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