Heat resisting steels

Details Heat resisting steels Heat resisting steels

1995-06-05

1996-10-01

Ip, Sikyin

Metal treatment

Stock

Ferrous

420 37, 420 38, C22C 3818

Patent

active

055607888

ABSTRACT:
A heat resisting steels comprising, on percentage by weight basis, 0.05 to 0.2% of C, not more than 1.0% of Ni, 9 to 13% of Cr, 0.05 to 1% of Mo, 0.05 to 0.3% of V, 1 to 3% of W, 1 to 5% of Co, 0.01 to 0.1% of N, at least one member selected from 0.01 to 0.15% of Nb, 0.01 to 0.15% of Ta, 0.003 to 0.03% of a rare earth element, 0.003 to 0.03% of Ca and 0.003 to 0.03% of B, and the remainder of Fe and unavoidable impurities have enhanced high temperature characteristics and are suitable for use in parts of turbine such as turbine rotors, turbine blades, turbine disks and bolts.

REFERENCES:
patent: 5061440 (1991-10-01), Watanabe et al.
patent: 5310431 (1994-05-01), Buck
patent: 5415706 (1995-05-01), Scarlin et al.

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