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'Microsoft Yahei', Helvetica, sans-serif; font-size: 12px; line-height: 18px; white-space: normal;">铝青铜具有很高的强度、硬度和耐磨性，常用来制造齿轮坯料、螺纹等零件。铝青铜具有很好的抗蚀性，因此可用来制造耐腐蚀零件，如螺旋桨、阀门等。铝青铜在冲击作用下不会产生火花，可用来制造无火花工具材料。具有优良的导热系数和稳定的刚度，作为模具材料在拉伸、压延不锈钢板式换热器时不会产生粘模、划伤工件等优点，已成为一种新型模具材料。铝青铜具有形状记忆效应，已经作为形状记忆合金得到发展。铝青铜合金价格相对便宜，成为一些昂贵金属材料的部分替代品，如替代锡青铜、不锈钢、镍基合金等。正是由于铝青铜所具有的优良特性，越来越受到喜爱，在民用和军事工业中起着重要的作用。

'Microsoft Yahei', Helvetica, sans-serif; font-size: 12px; line-height: 18px; white-space: normal;">

'Microsoft Yahei', Helvetica, sans-serif; font-size: 12px; line-height: 18px; white-space: normal;">                                                                              公差说明

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