High-endurance superalloy for use in particular in the nuclear i

Details High-endurance superalloy for use in particular in the nuclear i High-endurance superalloy for use in particular in the nuclear i

1977-04-04

1980-01-15

Dean, R.

Metal treatment

Compositions

Heat treating

75122, 75128F, 75128G, 75128Z, 75128W, 75128V, 75134F, C22C 3844

Patent

active

041837746

ABSTRACT:
The high-endurance alloy essentially contains the following percentages by weight: 0.2 to 1.9% carbon, 18 to 32% chromium, 1.5 to 8% tungsten, 15 to 40% nickel, 6 to 12% molybdenum, 0 to 3% niobium-tantalum, 0 to 2% silicon, 0 to 3% manganese, 0 to 3% zirconium, 0 to 3% vanadium, 0 to 0.9% boron, less than 0.3% cobalt and a quantity of iron such as to ensure overall balance of the alloy.

REFERENCES:
patent: 2432617 (1947-12-01), Franks et al.
patent: 2587613 (1952-03-01), Payson
patent: 3235417 (1966-02-01), Roy et al.

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