<p align="left"><span quot;font-size: 14pt; color: red; font-family: 宋体;">供应美国</span><strong><span quot;font-size: 14pt; color: red; font-family: 宋体;">高精度高度度硬铝材</span></strong><span quot;font-size: 14pt; color: red; font-family: Arial;">A2017 </span><span quot;font-size: 11pt; color: red; font-family: Arial;"> </span></p> <p align="left"><strong><span quot;font-size: 12pt; color: black; font-family: 宋体;">牌号：</span></strong><strong><span quot;font-size: 12pt; color: black; font-family: Arial;">A2017</span></strong><span quot;font-size: 12pt; color: black; font-family: ??;"><br /></span><strong><span quot;font-size: 12pt; color: black; font-family: 宋体;">化学成份：</span></strong><span quot;font-size: 12pt; color: black; font-family: ??;"><br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">铝</span><span quot;font-size: 12pt; color: black; font-family: ??;">Al</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：余量</span><span quot;font-size: 12pt; color: black; font-family: ??;"><br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">硅</span><span quot;font-size: 12pt; color: black; font-family: ??;">Si</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.20</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">～</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.8<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">铜</span><span quot;font-size: 12pt; color: black; font-family: ??;">Cu</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">3.5</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">～</span><span quot;font-size: 12pt; color: black; font-family: ??;">4.5<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">镁</span><span quot;font-size: 12pt; color: black; font-family: ??;">Mg</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.40</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">～</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.8<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">锌</span><span quot;font-size: 12pt; color: black; font-family: ??;">Zn</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≤0.25<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">锰</span><span quot;font-size: 12pt; color: black; font-family: ??;">Mn</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.40</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">～</span><span quot;font-size: 12pt; color: black; font-family: ??;">1.0<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">钛</span><span quot;font-size: 12pt; color: black; font-family: ??;">Ti</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≤0.15<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">铬</span><span quot;font-size: 12pt; color: black; font-family: ??;">Cr</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≤0.10<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">钛</span><span quot;font-size: 12pt; color: black; font-family: ??;">+</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">稀土</span><span quot;font-size: 12pt; color: black; font-family: ??;">Ti+Zr</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：挤压和锻造产品</span><span quot;font-size: 12pt; color: black; font-family: ??;">≤0.20<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">铁</span><span quot;font-size: 12pt; color: black; font-family: ??;">Fe</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.000</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">～</span><span quot;font-size: 12pt; color: black; font-family: ??;">0.700<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">注：单个</span><span quot;font-size: 12pt; color: black; font-family: ??;">:≤0.05;</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">合计</span><span quot;font-size: 12pt; color: black; font-family: ??;">:≤0.15<br /></span><strong><span quot;font-size: 12pt; color: black; font-family: 宋体;">力学性能：</span></strong><span quot;font-size: 12pt; color: black; font-family: ??;"><br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">抗拉强度</span><span quot;font-size: 12pt; color: black; font-family: ??;">σb (MPa)</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≥390<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">条件屈服强度</span><span quot;font-size: 12pt; color: black; font-family: ??;">σ0.2 (MPa)</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≥245<br /></span><span quot;font-size: 12pt; color: black; font-family: 宋体;">伸长率</span><span quot;font-size: 12pt; color: black; font-family: ??;">δ10 (</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">％</span><span quot;font-size: 12pt; color: black; font-family: ??;">)</span><span quot;font-size: 12pt; color: black; font-family: 宋体;">：</span><span quot;font-size: 12pt; color: black; font-family: ??;">≥15</span></p> <p align="left"><span quot;font-size: 9pt; color: #333333;">  </span><span quot;font-size: 12pt; color: #333333;">2017</span><span quot;font-size: 12pt; color: #333333; font-family: 宋体;">的合金元素为铜，是等一个获得工业应用的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></p>