<div id="de-description-detail" class="de-description-detail fd-editor"> <p align="left"><span quot;font-family: 宋体;"><span quot;font-size: medium;">2A12合金铝的化学成分及用途：<br /><br />   2A12为铝－铜－镁系中的典型硬铝合金，其成份比较合理，综合性能较好。很多国家都生产这个合金，是硬铝中用量非常大的。该合金的特点是：强度高，有一定的耐热性，可用作150°C以下的工作零件。温度高于125°C，2024合金的强度比7075合金的还高。热状态、退火和新淬火状态下成形性能都比较好，热处理强化效果显著，但热处理工艺要求严格。抗蚀性较差，但用纯铝包覆可以得到有效保护;焊接时易产生裂纹，但采用特殊工艺可以焊接，也可以铆接。广泛用于飞机结构、铆钉、卡车轮毂、螺旋桨元件及其他种种结构件。<br /><br /></span></span></p> <p align="left"><span quot;font-weight: bold;"> <tbody> <tbody> <tr> <td rowspan="2" width="6%" align="center" bgcolor="#0000cc"><span quot;color: #ffffff;"><span quot;font-size: medium; font-family: 宋体;">硅Si</span></span></td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铁Fe</span></p> </td> <td rowspan="2" width="14%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铜Cu</span></p> </td> <td rowspan="2" width="15%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锰Mn</span></p> </td> <td rowspan="2" width="18%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">镁Mg</span></p> </td> <td rowspan="2" width="9%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铬Cr</span></p> </td> <td rowspan="2" width="10%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锌Zn</span></p> </td> <td rowspan="2" width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">钛Ti</span></p> </td> <td colspan="2" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">其它元素</span></p> </td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铝</span></p> </td> </tr> <tr> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">每个</span></p> </td> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">总计</span></p> </td> </tr> <tr> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">3.80－4.90</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.30－0.90</span></p> </td> <td height="30" bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">1.20－1.80</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.10</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.25</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.15</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.05</span></p> </td> </tr> </tbody> <tr> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;"> <table quot;width: 高标准;" border="0" cellspacing="1" cellpadding="0" bgcolor="#999999"> <tbody> <tr> <td rowspan="2" width="6%" align="center" bgcolor="#0000cc"><span quot;color: #ffffff;"><span quot;font-size: medium; font-family: 宋体;">硅Si</span></span></td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铁Fe</span></p> </td> <td rowspan="2" width="14%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铜Cu</span></p> </td> <td rowspan="2" width="15%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锰Mn</span></p> </td> <td rowspan="2" width="18%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">镁Mg</span></p> </td> <td rowspan="2" width="9%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铬Cr</span></p> </td> <td rowspan="2" width="10%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锌Zn</span></p> </td> <td rowspan="2" width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">钛Ti</span></p> </td> <td colspan="2" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">其它元素</span></p> </td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铝</span></p> </td> </tr> <tr> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">每个</span></p> </td> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">总计</span></p> </td> </tr> <tr> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">3.80－4.90</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.30－0.90</span></p> </td> <td height="30" bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">1.20－1.80</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.10</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.25</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.15</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.05</span></p> </td> </tr> </tbody> </table> <table quot;width: 高标准;" border="0" cellspacing="1" cellpadding="0" bgcolor="#999999"> <tbody> <tr> <td rowspan="2" width="6%" align="center" bgcolor="#0000cc"><span quot;color: #ffffff;"><span quot;font-size: medium; font-family: 宋体;">硅Si</span></span></td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铁Fe</span></p> </td> <td rowspan="2" width="14%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铜Cu</span></p> </td> <td rowspan="2" width="15%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锰Mn</span></p> </td> <td rowspan="2" width="18%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">镁Mg</span></p> </td> <td rowspan="2" width="9%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铬Cr</span></p> </td> <td rowspan="2" width="10%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">锌Zn</span></p> </td> <td rowspan="2" width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">钛Ti</span></p> </td> <td colspan="2" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">其它元素</span></p> </td> <td rowspan="2" width="5%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">铝</span></p> </td> </tr> <tr> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">每个</span></p> </td> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">总计</span></p> </td> </tr> <tr> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">3.80－4.90</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.30－0.90</span></p> </td> <td height="30" bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">1.20－1.80</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.10</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.25</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.15</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.05</span></p> </td> </tr> </tbody> </table> 每个</span></p> </td> <td width="6%" bgcolor="#0000cc"> <p quot;color: #ffffff;" align="center"><span quot;font-size: medium; font-family: 宋体;">总计</span></p> </td> </tr> <tr> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.5</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">3.80－4.90</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.30－0.90</span></p> </td> <td height="30" bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">1.20－1.80</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.10</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.25</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.15</span></p> </td> <td bgcolor="#ffffff"> <p align="center"><span quot;font-size: medium; font-family: 宋体;">0.05</span></p> </td> </tr> </tbody> </span></p> </div>