High chromium heat resistant cast steel material

Details High chromium heat resistant cast steel material High chromium heat resistant cast steel material

1998-01-16

1999-12-28

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 39, C22C 3822, C22C 3824

Patent

active

060077670

ABSTRACT:
A heat resistant material and a pressure vessel by use thereof, having an excellent high temperature strength so as to be applicable to steam condition of 600.degree. C. or more, are provided. Said material consists of C, Si, Cr, Ni, V, Nb, N, Mo and W in the respective weight percent, and inevitable impurities and Fe, and is further added with Cu, B and Ca and/or Mn, Mn and Cu, B and Ca, in the respective weight percent. Also, a pressure vessel is formed of said materials.

REFERENCES:
Patent Abstracts of Japan, 95(11), abstract of JP 07-197208 (Aug. 1995).

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