High chromium ferritic heat-resistant steel

Details High chromium ferritic heat-resistant steel High chromium ferritic heat-resistant steel

1995-09-18

1997-01-07

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420 37, C22C 3830, C22C 3852

Patent

active

055913911

ABSTRACT:
The present invention discloses high chromium ferritic heat-resistant steel which has remarkable properties that the base metal and welded joints of the steel both exhibit excellent long term creep strength at elevated temperatures over 600.degree. C. excellent resistance to steam oxidation, and excellent toughness at room temperatures. The chemical composition of main elements of the steel of the invention is as follows:

REFERENCES:
patent: 2848323 (1958-08-01), Harris et al.
patent: 3663208 (1972-05-01), Kirby et al.
patent: 5069870 (1991-03-01), Iseda et al.
678,616 Sep. 1952 Alloy Research.

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