化学配方数据库
配方类型: METALS
配方说明: Hot-Working of Red Brass (U.S. Patent 2,577,426)
配方组成: Silicon/0.5-2
Aluminum/0.5-2
Lead/0-2
Maganese/0.5-2
Others/0-2
Copper/50-55
Zinc/To make 100

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