Copper alloys having an improved combination of strength and con

Details Copper alloys having an improved combination of strength and con Copper alloys having an improved combination of strength and con

1985-06-03

1986-08-12

Andrews, Melvyn J.

Alloys or metallic compositions

Copper base

Tin containing

148 115C, 148412, 148432, 420496, C22C 902

Patent

active

046055320

ABSTRACT:
A copper base alloy having an improved combination of conductivity and strength for applications such as lead frames or electrical connectors. The alloys consists essentially of from about 0.3 to 1.6% by weight iron, with up to one-half the iron content being replaced by nickel, manganese, cobalt, and mixtures thereof; from about 0.01 to about 0.20% by weight magnesium; from about 0.10 to about 0.40% by weight phosphorus; up to about 0.5% by weight tin or antimony and mixtures thereof; and the balance copper. The phosphorus to magnesium ratio and phosphorus to the total content of phosphide formers ratio are maintained within critical limits.

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