Copper-based alloy

Details Copper-based alloy Copper-based alloy

1994-12-16

1996-04-16

Sheehan, John

Metal treatment

Stock

Copper base

148433, 148435, 420481, 420475, 420476, 420485, 420491, 420492, 420499, C22C 904

Patent

active

055078850

ABSTRACT:
A copper-based alloy, viz. a dezincification-resistant brass, excels in various properties such as resistance to dezincification, hot forgeability and machinability and, therefore, tolerates use particularly in the atmosphere of a corrosive aqueous solution. The brass of one species has a composition of 59.0 to 62.0 wt % of Cu, 0.5 to 4.5 wt % of Pb, 0.05 to 0.25 wt % of P, 0.5 to 2.0 wt % of Sn, 0.05 to 0.30 wt % of Ni, with or without 0.02 to 0.15 wt % of Ti, and the balance of Zn and unavoidable impurities. The brass of another species has a composition of 61.0 to 63.0 wt % of Cu, 2.0 to 4.5 wt % of Pb, 0.05 to 0.25 wt % of P, 0.05 to 0.30 wt % of Ni, with or without 0.02 to 0.15 wt % of Ti, and the balance of Zn and unavoidable impurities.

REFERENCES:
patent: Re19915 (1936-04-01), Freeman, Jr.
patent: 2061921 (1936-11-01), Roath
patent: 3963526 (1976-06-01), Lunn
patent: 4101317 (1978-07-01), Okano
patent: 4417929 (1983-11-01), Tomaru
patent: 4995924 (1991-02-01), Akutsu et al.

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