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		<h1>THÉP TẤM GB&#x002F;T1222 65Mn</h1>
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			<li>Thứ năm - 02/01/2020 10:40</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:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">Thép GB 65Mn là thép lò xo hợp kim chất lượng cao. TÍnh chất của thép phụ thuộc vào hàm lượng hợp kim và hàm lượng carbon cao. Thép sau khi tôi và ram đạt độ cứng 28-34HRc. Thép ủ thường đạt độ cứng thấp hơn 250HB.</span></span></span></span></span></span></span>
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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:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black"><b><span style="border:none windowtext 1.0pt; padding:0in">THÀNH PHẦN HÓA HỌC THÉP 65Mn</span></b></span></span></span></span></span></span></span>

<table class="Table" style="width:8.25in; border-collapse:collapse; border:solid rgb(240, 240, 240); 1.0pt" width="990">
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			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:40.8pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="68"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">C(</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">％</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:41.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="69"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.62-0.70</span></span></span></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:53.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="89"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Si(</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">％</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:61.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="103"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.17-0.37</span></span></span></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:42.0pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="70"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Mn(</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">％</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:41.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="69"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.90-1.20</span></span></span></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:40.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="68"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">P(</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">％</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:49.2pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="82"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≤0.035</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:40.8pt; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="68"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">S(</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">％</span></span></span></b><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">)</span></span></span></b></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:41.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="69"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≤0.035</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:53.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="89"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cr(%)</span></span></span></b></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:61.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="103"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.25max</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:42.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="70"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Ni(%)</span></span></span></b></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:41.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="69"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">0.25max</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt">&nbsp;</td>
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<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">MÁC THÉP TƯƠNG ĐƯƠNG</span></span></span></span></b></span></span></span>

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			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:44.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="74"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Germany</span></span></span></b></span></span></span></td>
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			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:33.0pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="55"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Japan</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:43.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="73"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">France</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">England</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:19.2pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="32"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Italy</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:24.0pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="40"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Poland</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:27.6pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="46"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ISO</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:30.6pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="51"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Austria</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:27.0pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="45"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Sweden</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:26.4pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="44"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:12.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Spain</span></span></span></b></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">AISI/SAE/ASTM/UNS</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:44.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="74"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">DIN,WNr</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:34.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="57"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">GB</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:33.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="55"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">JIS</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:43.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="73"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">AFNOR</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">BS</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:19.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="32"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">UNI</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:24.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="40"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">PN</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="46"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ISO</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:30.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="51"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ONORM</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="45"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">SS</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:26.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="44"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">UNE</span></span></span></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;1066</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:44.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="74">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:34.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="57"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">65Mn</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:33.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="55">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:43.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="73">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">&nbsp;080A67</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:19.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="32">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:24.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="40">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="46">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:30.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="51">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="45">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:26.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="44">&nbsp;</td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:44.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="74">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:34.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="57">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:33.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="55">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:43.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="73">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:38.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="64">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:19.2pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="32">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:24.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="40">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="46">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:30.6pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="51">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:27.0pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="45">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:26.4pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="44">&nbsp;</td>
		</tr>
	</tbody>
</table>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0in 0in 10pt">
<hr align="center" size="3" width="100%" /></div>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">NHIỆT LUYỆN THÉP 65Mn</span></span></span></span></b></span></span></span><br  />
<br  />
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">• ủ thép lò xo 65Mn</span></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="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">Lúc đầu, làm nóng từ từ đến 730oC và để đủ thời gian, để cho thép được làm nóng hoàn toàn, sau đó làm nguội từ từ trong lò. Sau đó, thép công cụ 65 triệu sẽ có được độ cứng MAX 250 HB Brinell.</span></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="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">• Làm cứng thép lò xo 65Mn</span></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="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">Lúc đầu, thép 65Mn nên được nung nóng đồng đều đến 830-860 ° C (1526-1580 ° F) cho đến khi được làm nóng hoàn toàn. Sau khoảng 30 phút cho mỗi 25 mm của phần cầm quyền sẽ được cung cấp và sau đó thép sẽ được làm nguội ngay lập tức trong dầu. Nhiệt độ của thép lò xo 65Mn</span></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="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">Nhiệt độ của thép 65Mn được thực hiện ở nhiệt độ 540 ° C, Ngâm tốt ở nhiệt độ đã chọn và ngâm trong ít nhất một giờ trên 25 mm tổng độ dày. Giá trị độ cứng ở nhiệt độ khác nhau sau khi ủ</span></span></span></span></span></span></span>

<div align="center" style="margin-bottom:.0001pt; text-align:center; margin:0in 0in 10pt">
<hr align="center" size="3" width="100%" /></div>
<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">TÍNH CHẤT CƠ LÝ</span></span></span></span></b></span></span></span><br  />
&nbsp;
<table class="Table" style="width:8.25in; border-collapse:collapse; border:solid rgb(240, 240, 240); 1.0pt" width="990">
	<tbody>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:1.2in; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="144"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ bền kéo</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:.7in; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="84"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điểm chảy</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:52.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="88"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ dãn dài</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:49.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="83"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Giảm diện tích</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:.6in; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="72"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng</span></span></span></b></span></span></span><br  />
			<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(cán nóng)</span></span></span></b></span></span></span></td>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:55.8pt; border-left:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="93"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Độ cứng</span></span></span></b></span></span></span><br  />
			<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="border:none windowtext 1.0pt; font-size:16.0pt; padding:0in"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">(cán nguội)</span></span></span></b></span></span></span></td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:1.2in; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="144"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">σb (MPa)</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">：</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≥980</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:.7in; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="84"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">σ0.2 (MPa)</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">：</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≥785</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:52.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="88"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">δ 5 (%)</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">：</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≥8</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:49.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="83"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">ψ (%)</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;MS Gothic&#039;">：</span></span></span><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≥30</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:.6in; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="72"><span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">≤302HB;</span></span></span></span></span></span></td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:55.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="93">&nbsp;</td>
		</tr>
		<tr>
			<td style="border:solid rgb(240, 240, 240); 1.0pt; width:1.2in; border-top:none; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="144">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:.7in; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="84">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:52.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="88">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:49.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="83">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:.6in; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="72">&nbsp;</td>
			<td style="border-bottom:solid rgb(240, 240, 240); 1.0pt; width:55.8pt; border-top:none; border-left:none; border-right:solid rgb(240, 240, 240); 1.0pt; padding:4.5pt 4.5pt 4.5pt 4.5pt" width="93">&nbsp;</td>
		</tr>
	</tbody>
</table>

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<span style="font-size:11pt"><span style="line-height:150%"><span style="font-family:Calibri,sans-serif"><b><span style="font-size:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">ỨNG DỤNG</span></span></span></span></b></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:16.0pt"><span style="line-height:150%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span style="color:black">Thép 65 Mn sau khi xử lý nhiệt và làm cứng bản vẽ lạnh, cường độ cao, nó có độ dẻo và dẻo nhất định; Trong cùng một trường hợp làm cứng bề mặt, hoàn toàn và giới hạn mỏi và lò xo hợp kim. Nhưng độ cứng kém, chủ yếu cho kích thước nhỏ hơn của lò xo, chẳng hạn như điều chỉnh tốc độ lò xo, tải lò xo, máy móc nói chung trong lò xo tròn, xoắn ốc vuông hoặc dây kéo cho lò xo cơ nhỏ.</span></span></span></span></span></span></span><br  />
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