Gray cast iron member

Details Gray cast iron member Gray cast iron member

2006-08-01

2006-08-01

Ip, Sikyin (Department: 1742)

Metal treatment

Stock

Ferrous

C420S013000, C420S014000, C420S015000

Reexamination Certificate

active

07083685

ABSTRACT:
A gray cast iron member includes 2.2–2.8 weight % C, 2.3–3.5 weight % Si, 0.2–0.8 weight % Mn, up to 0.1 weight % P, up to 0.15 weight % S, 0.6–1.4 weight % Cu, up to 0.5 weight % Mo, up to 0.3 weight % Cr, and the balance substantially Fe, Si/C being 0.95 or more, (Si/C)/Cu being up to 1.5. Preferably, it further includes at least one of Ni, Sn, V, Sb and N each in an amount of up to 0.3 weight %.

REFERENCES:
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patent: 4891076 (1990-01-01), Kovacs
patent: 4948437 (1990-08-01), Metzler
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patent: 5858127 (1999-01-01), Ott et al.
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patent: 6613274 (2003-09-01), Dawson
patent: 2002-105581 (2002-04-01), None
patent: 2003-247014 (2003-09-01), None
patent: 2004232041 (2004-08-01), None
patent: 1680795 (1991-09-01), None

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