High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb

Details High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb High strength .alpha. brass containing Mn, Si, Co, Fe, Sn and Pb

1992-11-03

1994-02-01

Roy, Upendra

Metal treatment

Stock

Copper base

420477, 420480, C22C 900

Patent

active

052829081

ABSTRACT:
A Mn-Si-Co-Fe-based high-strength brass alloy comprises, on the weight basis, 15 to 25% of Zn, 1.0 to 5.0% of Mn, 0.3 to 2.0% of Si, 0.01 to 0.5% of Fe, 0.01 to 2.0% of Co, 0.2 to 1.0% of Sn, 5 to 10% of Pb and the balance being Cu and inevitable impurities. The alloy has a novel intermetallic compound [Mn,Si,Co,Fe] substantially in the form of spheroids and has also fine grains. The alloy is adapted for use as sliding members or parts and has very good resistances to wear and corrosion, anti-seizing property and durability.

REFERENCES:
patent: Re17631 (1930-04-01), Lytle
patent: 4242131 (1980-12-01), Shapiro et al.
patent: 5183637 (1993-02-01), Tanaka et al.

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