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		<h1>ĐỒNG THAU C28000</h1>
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			<li>Thứ ba - 23/05/2023 18:20</li>
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			<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">ĐỒNG THAU C28000</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">&nbsp;(</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CuZn40</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">)</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">&nbsp;là hợp kim đồng thau kinh tế với hàm lượng Kẽm cao, tạo hình tốt</span></span>&nbsp;<span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">tính chất và sức mạnh trung bình.</span></span></span></span>
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			<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">ĐỒNG THAU C28000</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">&nbsp;(</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CuZn40</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">)</span></span><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">&nbsp;là hợp kim đồng thau kinh tế với hàm lượng Kẽm cao, tạo hình tốt</span></span>&nbsp;<span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">tính chất và sức mạnh trung bình.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Đồng thau là một thuật ngữ cụ thể dùng để chỉ nhiều loại hợp kim đồng-kẽm có các đặc tính bao gồm tính dẫn điện và nhiệt, độ bền, độ cứng, khả năng chống mài mòn, độ dẻo và khả năng chống ăn mòn.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Đồng thau có nhiều màu sắc như vàng, đỏ, bạc và vàng, v.v. Những loại đồng thau có màu này được các nhà thiết kế và kiến trúc sư sử dụng để cải thiện hình thức bên trong và bên ngoài của các tòa nhà.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim UNS C28000 là một loại hợp kim đồng thau. Bảng dữ liệu sau đây cung cấp tổng quan về các hợp kim đồng thau này</span></span></span></span><br  />
<br  />
<span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">MÁC ĐỒNG TƯƠNG ĐƯƠNG VỚI C28000</span></span></span></b></span></span>
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			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">EN</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">DIN CEN/TS 13388</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">JIS </span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">BS </span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">UNS</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CuZn40</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CW509L</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">C3712</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CZ122</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">C28000</span></span></span></span></td>
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<span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">THÀNH PHẦN HÓA HỌC CỦA ĐỒNG C28000</span></span></span></b></span></span>

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			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157">&nbsp;</td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Cu</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Zn</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Ni</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Sn</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Fe</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">C28000</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">59-61</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">38.35-40.35</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1000pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">0.3</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">0.3</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:118.1500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="157"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">0.05</span></span></span></span></td>
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<span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">TÍNH CHẤT CƠ LÝ CỦA ĐỒNG C28000</span></span></span></b></span></span>

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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Điểm nóng chảy - thể lỏng (°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:1.0000pt solid windowtext" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">1660</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Điểm nóng chảy - thể rắn(°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">1650</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Mật độ lb/cu in. ở 68°F</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">0.303</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Trọng lượng riêng</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">8.39</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Độ dẫn điện (Electrical Conductivity% IACS at 68°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">28</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Độ dẫn nhiệt (Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">71</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hệ số giãn nở nhiệt 68-57210 đến -6 công suất mỗi °F (68 – 572°F) (Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">11.6</span></span></span></span></td>
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			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Nhiệt dung riêng Btu/ lb /°F ở 68°F (Specific Heat CapacityBtu/ lb /°F at 68°F)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">0.09</span></span></span></span></td>
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		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Mô đun đàn hồi trong căng thẳng</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">15000ksi</span></span></span></span></td>
		</tr>
		<tr>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:1.0000pt solid windowtext; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Mô đun độ cứng (Modulus of Rigidity)</span></span></span></span></td>
			<td style="border-bottom:1.0000pt solid windowtext; width:354.3500pt; padding:0.0000pt 5.4000pt 0.0000pt 5.4000pt ; border-left:none; border-right:1.0000pt solid windowtext; border-top:none" valign="top" width="472"><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">5600ksi</span></span></span></span></td>
		</tr>
	</tbody>
</table>
<br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><strong>Chế tạo và xử lý nhiệt&nbsp;đồng thau UNS C28000</strong></span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">ủ</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim đồng thau UNS C28000 được ủ trong khoảng từ 427 đến 593°C (800 và 1100°F).</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Làm việc lạnh</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim đồng thau UNS C28000 có khả năng làm việc lạnh khá.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">hàn</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Các quy trình hàn được khuyến nghị cho hợp kim đồng thau UNS C28000 bao gồm hàn vảy cứng, hàn que, hàn giáp mép, hàn oxyacetylene, hàn điểm và hàn hồ quang có khí bảo vệ. Quy trình hàn không được khuyến nghị cho các hợp kim này bao gồm hàn đường nối và hàn hồ quang kim loại có lớp phủ.</span></span></span></span><br  />
<br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><strong>rèn&nbsp;đồng thau UNS C28000</strong></span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim đồng thau UNS C28000 có thể được rèn trong khoảng từ 621 đến 788°C (1150 và 1450°F). Xếp hạng khả năng rèn nóng cho các hợp kim này là 90.</span></span></span></span><br  />
<br  />
<strong><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">khả năng gia công&nbsp;đồng thau UNS C28000</span></span></span></span></strong><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Xếp hạng khả năng gia công cho hợp kim đồng thau UNS C28000 là 40.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">làm việc nóng</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim đồng thau UNS C28000 có khả năng làm việc nóng tuyệt vời.</span></span></span></span><br  />
<br  />
<span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">CÁC ỨNG DỤNG CỦA ĐỒNG </span></span></span></b><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">UNS C28000 </span></span></span></b></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Kiến trúc: Trang trí, Bảng kiến trúc, Phần cứng, Khung cửa,</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Trang trí kiến trúc lớn, kết cấu, tấm nặng, tấm, tấm lớn.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Phần cứng dành cho nhà xây dựng: Phần cứng trang trí.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Chốt: Bu lông.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Công nghiệp: Ống ngưng tụ, Thân van, Rèn nóng, Bộ trao đổi nhiệt</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Ống, đai ốc và bu lông lớn, ống bay hơi, thanh hàn, bình ngưng</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Tấm.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Ứng dụng điển hình: Ổ khóa và phụ kiện kim loại, Chìa khóa, Kiến trúc.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Hợp kim đồng thau UNS C28000 được sử dụng cho các sản phẩm được tạo hình lạnh hoặc nóng.</span></span></span></span><br  />
<br  />
<span style="line-height:150%"><span style="font-family:Calibri"><b><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;"><span style="font-weight:bold">KHẢ NĂNG CHỐNG ĂN MÒN CỦA C28000</span></span></span></b></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Chống lại:</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">CuZn40 ha s khả năng chống nước, hơi nước tốt, dung dịch muối khác nhau, nhiều chất lỏng hữu cơ.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Đất, biển và khí quyển công nghiệp.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Không chống lại:</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Trong một số điều kiện nhất định (nước có hàm lượng clo cao và độ cứng cacbonat thấp) một dạng ăn mòn được gọi là &quot;khử kẽm&quot; có thể xảy ra. Hơn nữa, hợp kim này có xu hướng ở trạng thái nguội dưới ứng suất kéo bên trong và/hoặc bên ngoài khi tích cực các tác nhân như amoniac, muối amoniac amin có mặt &quot;nứt ăn mòn ứng suất&quot;. Ứng suất kéo có thể được áp dụng sau khi chế tạo trong quá trình lắp ráp hoặc cài đặt.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Xử lý nhiệt có thể giúp tránh nứt do ăn mòn ứng suất.</span></span></span></span><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Các sản phẩm bán thành phẩm có thể được ủ giảm căng thẳng điều trị hoặc điều trị làm mềm.</span></span></span></span><br  />
<br  />
<strong><span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">ĐỘ BỀN MỎI CỦA C28000</span></span></span></span></strong><br  />
<span style="line-height:150%"><span style="font-family:Calibri"><span style="font-size:16.0000pt"><span style="font-family:&#039;Times New Roman&#039;">Độ bền mỏi đưa ra một dấu hiệu về khả năng chống lại sự thay đổi của lực căng ứng dụng. Nó được đo theo đối xứng tải xoay chiều. Tải trọng uốn tối đa cho 107 chu kỳ tải không bị nứt được đo. Phụ thuộc vào lớp ôn hòa khoảng 1/3 độ bền kéo Rm.</span></span></span></span><br  />
<strong><span style="font-size:16px;"><span style="font-family:Times New Roman,Times,serif;">CÁC DẠNG CỦA ĐỒNG THAU C28000</span></span></strong><br  />
<span style="font-size:18px;">dạng tấm<br  />
dạng láp đặc<br  />
dạng ống<br  />
dạng thanh</span>
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