High chromium heat resistant cast steel material and pressure ve

Details High chromium heat resistant cast steel material and pressure ve High chromium heat resistant cast steel material and pressure ve

1999-07-23

2000-09-26

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 41, C22C 3844

Patent

active

06123897&

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: 5798082 (1998-08-01), Kadoya et al.
Patent Abstracts of Japan, 95(11), abstract of JP 07-197208 (Aug. 1995).

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