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下面,有关71Si7弹簧钢材料的成分及性能介绍:
71Si7(1.5029)
牌号:71Si7
化学成分:
碳C:0.68~0.75;
硅Si:1.50~1.80;
锰Mn:0.60~0.80;
硫S:≤0.035;
磷P:≤0.035;
特性及用途:钟表工业用X高用力扭转弹簧和类似用途。
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