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锡磷青铜是什么材质
更新时间: 2020-12-01 14:40:34  

合金。锡磷青铜是一种以锡、磷为主要合金元素的青铜,其中含有2-8%的锡、0.1-0.4%的磷,其余的是铜,是人类应用最早的合金。在中国的主要牌号有QSn10-1、QSn6.5-0.1、QSn7-0.2、QSn8-0.3、QSn4-0.3、QSn4-3,ZQSn10,ZQSn5-5-5,ZQSN6-6-3等,在工业上主要用作耐磨零件,如开关、电气装置弹簧、连接器、保险丝等,也可用作齿轮、蜗轮、轴承、轴衬等机械部件。锡磷青铜具有良好的导电性能,不易发热并且有很好的抗疲劳性能,弹力好。

关键词: 青铜 什么 材质

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