Alloys resistant to localized corrosion, hydrogen sulfide stress

Details Alloys resistant to localized corrosion, hydrogen sulfide stress Alloys resistant to localized corrosion, hydrogen sulfide stress

1978-02-09

1979-09-18

Dean, R.

Metal treatment

Compositions

Heat treating

75171, 148 115N, 148 127N, 148 325, C22C 1905

Patent

active

041681886

ABSTRACT:
An alloy and a metal product characterized by resistance to localized corrosion, hydrogen sulfide stress cracking (hydrogen embrittlement) and stress corrosion cracking at temperatures up to about 200.degree. C. consisting essentially of nickel 40-65%, cobalt 0-5%, chromium 10-20%, molybdenum 12-18%, iron 10-20%, tungsten up to 5%, carbon 0-0.1% manganese up to 3%, vanadium up to 1% and silicon up to 0.2%. The alloy resistance is maintained when it is cold worked over 20%.

REFERENCES:
patent: 1710445 (1929-04-01), Becket
patent: 1836317 (1931-12-01), Franks
patent: 2109285 (1938-02-01), Brown
patent: 3203792 (1965-08-01), Scheil et al.

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