Nickel-base super alloy

Details Nickel-base super alloy Nickel-base super alloy

1986-08-21

1988-08-09

Andrews, Melvyn J.

Alloys or metallic compositions

Nickel base

Chromium containing

420588, C22C 1905, C22C 3000

Patent

active

047626828

ABSTRACT:
Disclosed herein is an improved chemical reactor apparatus of the type suitable for supporting a catalyst during the high temperature oxidation of ammonia to form nitric acid which is fabricated from a superior nickel base superalloy containing about: 20 to 24% chromium, 10 to 20% tungsten, 1.0 to 3.5% molybdenum, 0.3 to 1% manganese, 0.2 to 0.75% silicon, and up to 20% cobalt and in which certain relationships among these alloying elements provide a structure which has very high creep strength and resistance to the corrosive environment.

REFERENCES:
patent: 4476091 (1984-10-01), Klarstrom

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