<p>2017铝合金</p> <p>化学成份:                                                            <br />     铝 Al : 余量                                                           <br />     硅 Si : 0.20～0.8                                                      <br />     铜 Cu : 3.5～4.5                                                       <br />     镁 Mg: 0.40～0.8                                                       <br />     锌 Zn: ≤0.25                                                          <br />     锰 Mn: 0.40～1.0                                                       <br />     钛 Ti : ≤0.15                                                         <br />     铬 Cr: ≤0.10                                                          <br />     钛＋稀土 Ti＋Zr: 挤压和锻造产品≤0.20                                    <br />     铁 Fe:  0.000～ 0.700                                                  <br />     注: 单个:≤0.05;合计:≤0.15                                            <br />                                                                           <br />     力学性能:                                                            <br />     抗拉强度      σb     （MPa）:≤245                                      <br />     条件屈服强度  σ0.2   （MPa）:≤125                                      <br />     伸长率        δ10     （％）:≥16                                       </p> <p>公司承诺：<br />1. 当天客户反应的问题 江浙沪客户在12小时内到达公司协商解决，其余省份在3天之内到厂商公司协商解决。</p> <p>2. 如材料发现加工不良或尺寸不到位。我们公司承诺在24小时内重新补料给客户。</p> <p>电话：021-67660801<br />      021-67660802<br />传真：021-67660803<br />邮箱：<a href="mailto:shailiai@126.com">shailiai@126.com</a><br />手机：13585515596     18916750367  林经理</p>