Palladium white gold alloy ring settings and method of making sa

Alloys or metallic compositions – Gold base – Palladium containing

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148678, C22C 502

Patent

active

056351313

ABSTRACT:
A ring setting is made from a nickel-free palladium white gold alloy that contains 7-12% by weight palladium; 50-65% by weight gold; 25-32% by weight silver; and 1-5% by weight zinc. Such ring settings are resistant to chemical or stress corrosion cracking.

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