Spheroidal graphite cast iron for crank shafts and a crank shaft

Details Spheroidal graphite cast iron for crank shafts and a crank shaft Spheroidal graphite cast iron for crank shafts and a crank shaft

1995-03-03

1996-09-03

Yee, Deborah

Metal treatment

Stock

Ferrous

148904, 420 13, C22C 3704

Patent

active

055519954

ABSTRACT:
Spheroidal graphite cast iron for crank shafts having a tensile strength of 75 kgf/mm.sup.2 or more, and having excellent conformability and machinability, which cast iron consisting, by area ratio, of graphite of 5 to 15%, ferrite of not more than 10%, and the balance pearlite matrix, said cast iron having a Brinell hardness (HB) of 241 to 277.

REFERENCES:
patent: 4363661 (1982-12-01), Kovacs
patent: 4767278 (1988-08-01), Enderlein, Jr.

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