<table border="0"> <tbody> <tr> <td class="de-td1">种类</td> <td>铝板材</td> <td class="de-td1">产地</td> <td>美国</td> </tr> <tr> <td class="de-td1">牌号</td> <td>2017-T4</td> <td class="de-td1">铝含量</td> <td>93（%）</td> </tr> </tbody> </table> <div id="de-description-detail" class="de-description-detail fd-editor"> <div><span quot;font-size: medium;"><span quot;font-size: small;">铝合金2017的成分、性能与典型用途</span></span></div> <div><span quot;font-size: medium;"><span quot;font-size: small;">2017的合金元素为铜，是靠前个获得工业应用的2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></div> <div> <table quot;width: 550px;" border="0" cellspacing="1" cellpadding="0" align="center" bgcolor="#d3c431" bordercolor="#ffffff"> <tbody> <tr bgcolor="#f0f0ca"> <td colspan="15" height="35"> <p><strong><span quot;font-size: medium; color: #996600;"><span quot;font-size: small;">化学成分（Chemical Composition Limits wt％）</span></span></strong></p> </td> </tr> <tr bgcolor="#fafaed"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Cu</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Si</span></span></p> </td> <td width="6%" height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Fe</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Mn</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Mg</span></span></p> </td> <td width="7%" height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Zn</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Cr</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Ti</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Pb.Bi</span></span></p> </td> <td width="7%" height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">Al</span></span></p> </td> </tr> <tr bgcolor="#ffffff"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">3.5-4.5</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.2-0.8</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.70</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.4-1.0</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.4-0.8</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.25</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.10</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">0.15</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">/</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">余量</span></span></p> </td> </tr> </tbody> </table> <p> </p> <table quot;width: 550px;" border="0" cellspacing="1" cellpadding="0" align="center" bgcolor="#d3c431" bordercolor="#ffffff"> <tbody> <tr bgcolor="#f0f0ca"> <td colspan="11" height="35"> <p><strong><span quot;font-size: medium; color: #996600;"><span quot;font-size: small;">典型<strong>合金</strong>2017-T451机械和物理性能（Typical Mechanical & Physical Properties）</span></span></strong></p> </td> </tr> <tr bgcolor="#fafaed"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">焊接性</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">切削性</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">耐蚀性</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">电导率20℃（68℉）<br />（％IACS）</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">密度<br />（20℃）（g/cm3）</span></span></p> </td> </tr> <tr bgcolor="#ffffff"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">较好</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">很好</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">差</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">30-40</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">2.79</span></span></p> </td> </tr> <tr bgcolor="#fafaed"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">抗拉强度<br />（25°C MPa）</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">屈服强度（25°C MPa）</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">硬度<br />500kg力10mm球</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">延伸率<br />1.6mm（1/16in）厚度</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">非常大剪应力<br />MPa</span></span></p> </td> </tr> <tr bgcolor="#ffffff"> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">425</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">275</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">105</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">20</span></span></p> </td> <td height="35"> <p align="center"><span quot;font-size: medium;"><span quot;font-size: small;">260</span></span></p> </td> </tr> </tbody> </table> </div> </div>