<p align="left"><span quot;font-size: 18pt;"><span>2017</span><span quot;font-family: 宋体;">的合金元素为铜，是靠前个获得工业应用的</span><span>2</span><span quot;font-family: 宋体;">系合金，具有很高的强度和良好的切削加工性能，但耐腐蚀性较差。主要应用于铆钉、通用机械零件、飞机、船舶、交通、建筑结构件、运输工具结构件、螺旋桨元件及配件。</span></span></p> <table quot;background-color: #d3c431; width: 550px;" border="0" cellspacing="1" cellpadding="0"> <tbody> <tr> <td quot;background-color: #f0f0ca;" colspan="15"> <p align="left"><strong><span quot;font-family: 宋体; color: #996600;">化学成分（</span></strong><strong><span quot;color: #996600;">Chemical Composition Limits wt</span></strong><strong><span quot;font-family: 宋体; color: #996600;">％）</span></strong></p> </td> </tr> <tr> <td quot;background-color: #fafaed;"> <p align="left"><span>Cu</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Si</span></p> </td> <td quot;background-color: #fafaed;" width="6%"> <p align="left"><span>Fe</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Mn</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Mg</span></p> </td> <td quot;background-color: #fafaed;" width="7%"> <p align="left"><span>Zn</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Cr</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Ti</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span>Pb.Bi</span></p> </td> <td quot;background-color: #fafaed;" width="7%"> <p align="left"><span>Al</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> </tr> <tr> <td quot;background-color: white;"> <p align="left"><span>3.5-4.5</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.2-0.8</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.70</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.4-1.0</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.4-0.8</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.25</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.10</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>0.15</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>/</span></p> </td> <td quot;background-color: white;"> <p align="left"><span quot;font-family: 宋体;">余量</span></p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> </tr> </tbody> </table> <table quot;background-color: #d3c431; width: 550px;" border="0" cellspacing="1" cellpadding="0"> <tbody> <tr> <td quot;background-color: #f0f0ca;" colspan="11"> <p align="left"><strong><span quot;font-family: 宋体; color: #996600;">典型合金</span></strong><strong><span quot;color: #996600;">2017-T451</span></strong><strong><span quot;font-family: 宋体; color: #996600;">机械和物理性能（</span></strong><strong><span quot;color: #996600;">Typical Mechanical & Physical Properties</span></strong><strong><span quot;font-family: 宋体; color: #996600;">）</span></strong></p> </td> </tr> <tr> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">焊接性</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">切削性</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">耐蚀性</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">电导率</span><span>20</span><span quot;font-family: 宋体;">℃</span><span quot;font-family: 宋体;">（</span><span>68</span><span quot;font-family: 宋体;">℉</span><span quot;font-family: 宋体;">）</span><span><br /></span><span quot;font-family: 宋体;">（％</span><span>IACS</span><span quot;font-family: 宋体;">）</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">密度</span><span><br /></span><span quot;font-family: 宋体;">（</span><span>20</span><span quot;font-family: 宋体;">℃</span><span quot;font-family: 宋体;">）（</span><span>g/cm3</span><span quot;font-family: 宋体;">）</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> </tr> <tr> <td quot;background-color: white;"> <p align="left"><span quot;font-family: 宋体;">较好</span></p> </td> <td quot;background-color: white;"> <p align="left"><span quot;font-family: 宋体;">很好</span></p> </td> <td quot;background-color: white;"> <p align="left"><span quot;font-family: 宋体;">差</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>30-40</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>2.79</span></p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> </tr> <tr> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">抗拉强度</span><span><br /></span><span quot;font-family: 宋体;">（</span><span>25°C MPa</span><span quot;font-family: 宋体;">）</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">屈服强度（</span><span>25°C MPa</span><span quot;font-family: 宋体;">）</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">硬度</span><span><br />500kg</span><span quot;font-family: 宋体;">力</span><span>10mm</span><span quot;font-family: 宋体;">球</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">延伸率</span><span><br />1.6mm</span><span quot;font-family: 宋体;">（</span><span>1/16in</span><span quot;font-family: 宋体;">）厚度</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"><span quot;font-family: 宋体;">非常大剪应力</span><span><br />MPa</span></p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> <td quot;background-color: #fafaed;"> <p align="left"> </p> </td> </tr> <tr> <td quot;background-color: white;"> <p align="left"><span>425</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>275</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>105</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>20</span></p> </td> <td quot;background-color: white;"> <p align="left"><span>260</span></p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> <td quot;background-color: white;"> <p align="left"> </p> </td> </tr> </tbody> </table> <p><span quot;font-size: 14pt;">欢迎来电咨询订购，价格便宜，质量有保障，希望长期合作！</span></p>