Method for strengthening cold worked nickel-base alloys

Details Method for strengthening cold worked nickel-base alloys Method for strengthening cold worked nickel-base alloys

1989-02-21

1990-03-20

Dean, R.

Metal treatment

Compositions

Heat treating

148427, C22F 110

Patent

active

049098608

ABSTRACT:
A heat treatment method for strengthening cold worked tubes made from nickel-base alloys without an attendant loss in corrosion resistance properties. Especially useful for tubes destined for energy resource recovery areas, oil fields, sour gas wells, etc., the tubes may be heated from 316.degree.-769.degree. C. (600.degree.-1100.degree. F.) for up to an hour.

REFERENCES:
patent: 3767385 (1973-10-01), Slaney
patent: 4358511 (1982-11-01), Smith, Jr. et al.
patent: 4489040 (1984-12-01), Asphahani et al.
patent: 4591393 (1986-05-01), Kane et al.
Inco Alloys Intl. Inc., Inco Alloy G-3, 1986.
Inco Alloys Intl. Inc., Incoloy alloy 825, 1987.
Inco Alloys Intl., Inc., Inco alloy C-276, 1986.
Inco Alloys Intl. Inc., Incoloy alloy 925, 1983.

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