Copper alloys of excellent corrosion resistance, moldability and

Details Copper alloys of excellent corrosion resistance, moldability and Copper alloys of excellent corrosion resistance, moldability and

1976-06-23

1978-09-12

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

751575, C22C 904

Patent

active

041134745

ABSTRACT:
Copper alloys which excel in corrosion resistance, moldability and workability and are particularly suitable for use as materials for valves, cocks, elbows, tees, etc. or cast parts associated therewith. One copper alloy comprising by weight 27.0 - 32.0% zinc, 0.8 - 4.0% lead, 0.2 - 0.8% silicon, 0.1 - 2.0% manganese, 0.01 - 0.1% arsenic and 0.03 - 0.4% aluminum the rest being composed of copper; and the other copper alloy comprising by weight 27.0 - 32.0% zinc, 0.8 - 4.0% lead, 0.2 - 0.8% silicon, 0.1 - 2.0 manganese, 0.01 - 0.1% arsenic, 0.03 - 0.4% aluminum and 0.01 - 1.0% tin the rest being composed of copper.

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patent: 3713814 (1973-01-01), Larsson
patent: 3773504 (1973-11-01), Niimi et al.
patent: 3900349 (1975-08-01), Costas
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patent: 3963526 (1976-06-01), Lunn
patent: 3976478 (1976-08-01), Okano

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