Alloys or metallic compositions – Copper base – Noble metal containing
Patent
1986-12-15
1988-03-29
Rutledge, L. Dewayne
Alloys or metallic compositions
Copper base
Noble metal containing
420500, C22C 900
Patent
active
047342544
ABSTRACT:
An enhanced machining oxygen-free copper alloy is provided which contains at least 0.02% by weight silver and from 25 to 100 parts per million sulfur. The copper alloy is anneal resistant and has sufficient ductility to permit cold working.
REFERENCES:
patent: 2027805 (1936-01-01), Burghoff et al.
patent: 2474891 (1949-07-01), Davis
patent: 3872913 (1975-03-01), Lohikoski
File 350: World Patents Index, English Abstract or Japanese Patent No. 70021183.
Rutledge L. Dewayne
The Nippert Company
Wyszomierski George
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