Machinable copper alloys having reduced lead content

Alloys or metallic compositions – Copper base – Zinc containing

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420478, 420491, C22C 900

Patent

active

052884589

ABSTRACT:
Machinable alpha beta brass having a reduced lead concentration is claimed. The alloy contains bismuth to improve machinability. Either a portion of the zinc is replaced with aluminum, silicon or tin, or a portion of the copper is replaced with iron, nickel or manganese.

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