<p class="MsoNormal" quot;margin: 0cm 0cm 0pt; line-height: 25.1pt; text-align: center; mso-pagination: widow-orphan; mso-outline-level: 3;" align="center"><strong><span quot;font-size: 21pt; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US">2017</span></strong><strong><span quot;font-size: 21pt; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">西南铝材</span></strong><strong><span quot;font-size: 21pt; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US"></span></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 24pt; text-align: left; mso-pagination: widow-orphan;" align="left"><span quot;font-size: 11pt; color: #666666; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">详细描述：</span><span quot;font-size: 11pt; color: #666666; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US"> <br />2017</span><span quot;font-size: 11pt; color: #666666; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">的合金元素为铜，是靠前个获得工业应用的</span><span quot;font-size: 11pt; color: #666666; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US">2</span><span quot;font-size: 11pt; color: #666666; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">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 quot;font-size: 11pt; color: #666666; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;"> </span><span quot;font-size: 11pt; color: #666666; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">主要成份％</span><span quot;font-size: 11pt; color: #666666; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US"> Cu Si Fe Mn Mg Zn Cr Ti Pb.Bi Al <br />3.5~4.5 0.2~0.8 0.7 0.4~1.0 0.4~0.8 0.25 0.1 0.15 / </span><span quot;font-size: 11pt; color: #666666; font-family: 宋体; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">余量</span><span quot;font-size: 11pt; color: #666666; font-family: Verdana; mso-bidi-font-family: 宋体; mso-font-kerning: 0pt;" lang="EN-US"></span></p>