Silver alloy compositions

Details Silver alloy compositions Silver alloy compositions

1990-06-07

1990-11-27

Andrews, Melvyn J.

Alloys or metallic compositions

Silver base

Copper containing

C22C 508

Patent

active

049734466

ABSTRACT:
An improved sterling silver alloy composition, exhibiting the desirable properties of reduced fire scale, reduced porosity and reduced grain size, consists essentially of the following parts by weight: about 92.5% silver, about 0.5% copper, about 4.25% zinc, about 0.02% indium, about 0.48% tin, about 1.25% of a boron-copper alloy containing about 2% boron and about 98% copper, and about 1% of a silicon-copper alloy containing about 10% silicon and about 90% copper.

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