Heat-resistant, austenitic cast steel and exhaust equipment memb

Details Heat-resistant, austenitic cast steel and exhaust equipment memb Heat-resistant, austenitic cast steel and exhaust equipment memb

1994-11-29

1996-03-26

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 55, C22C 3848

Patent

active

055018351

ABSTRACT:
Exhaust equipment members are made of a heat-resistant, austenitic cast steel with excellent castability and machinability having a composition consisting essentially, by weight, of 0.2-1% of C, 2% or less of Si, 2% or less of Mn, 8-20% of Ni, 15-30% of Cr, 0.5-6% of Nb, 1-6% of W, 0.01-0.3% of N, optionally 0.01-0.5% of S, C--Nb/8 being 0.05-0.6% and the balance being Fe and inevitable impurities.

REFERENCES:
patent: 2453598 (1948-11-01), Schaefer et al.
patent: 2537477 (1951-01-01), Mohling et al.
patent: 4248629 (1981-02-01), Pons et al.
patent: 5194220 (1993-03-01), Takahashi et al.
patent: 5194221 (1993-03-01), Culling

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