High-Ni austenitic stainless steel having excellent high-tempera

Details High-Ni austenitic stainless steel having excellent high-tempera High-Ni austenitic stainless steel having excellent high-tempera

1995-09-01

1998-05-19

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

4205861, 420453, C22C 3844, C22C 3000, C22C 1905

Patent

active

057531773

ABSTRACT:
A high-Ni austenitic stainless steel having swelling resistance, high-temperature creep strength, and phase stability under irradiation. The irradiation resistance and high-temperature strength of the high-Ni austenitic stainless steel are enhanced when it is composed of the following percentages by weight: Si, not exceeding 0.5 wt. %; Mn, not exceeding 1.0 wt. %; Cr, 13-18 wt. %; Ni, 30-50 wt. %; Mo+W=2.0-6.0 wt. %; 0.01-0.2 wt. %; and the residual consisting of Fe and unavoidable impurities.

REFERENCES:
patent: 4158606 (1979-06-01), Bloom et al.
patent: 4861547 (1989-08-01), Culling
patent: 4981647 (1991-01-01), Rothman et al.

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