Heat resistant alloys

Details Heat resistant alloys Heat resistant alloys

1993-06-04

1994-07-19

Yee, Deborah

Alloys or metallic compositions

Ferrous

Nine percent or more chromium containing

420582, C22C 3842, C22C 1905, C22C 3000

Patent

active

053307054

ABSTRACT:
Air-meltable, air-castable, weldable, heat resistant alloys that exhibit high creep rupture strengths and high ductilities. An H-type base alloy or a high silicon base alloy contains additions of about 0.6% to 2.5% copper and 0.55% to 2.65% microalloying amounts of the group 0.2% to 0.85% tungsten, 0.2% to 0.85% molybdenum, 0.1% to 0.5% columbium and 0.05% to 0.45% titanium.

REFERENCES:
patent: 2553330 (1951-05-01), Post et al.
patent: 4063934 (1977-12-01), Thuillier et al.
patent: 4077801 (1978-03-01), Heyer et al.
patent: 5077006 (1991-12-01), Culling

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