Lead-free brass alloy

Details Lead-free brass alloy Lead-free brass alloy

C - Chemistry, Metallurgy

22

C

C22C 9/04 (2006.01)

Patent

CA 2696156

The present invention provides a lead-free brass alloy, including 0.3 to 0.8 wt% of aluminum, 0.01 to 0.4 wt% of bismuth, 0.05 to 1.5 wt% of iron and more than 96 wt% of copper and zinc, wherein the copper is present in an amount ranging from 58 to 75 wt%. The brass alloy of the present invention meets the standard of the environmental regulation, wherein the lead content is less than 0.25 wt% based on the weight of the alloy. Further, the brass alloy of the present invention has 0.05 to 1.5 wt% of iron and less than 0.4% of bismuth, so as to lower production cost, eliminate cracks and increase production yield.

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