Product of a high-strength nitrogen containing fully austenitic

Details Product of a high-strength nitrogen containing fully austenitic Product of a high-strength nitrogen containing fully austenitic

1988-10-31

1989-09-12

Yee, Deborah

Metal treatment

Stock

Ferrous

148327, 148336, 420 36, 420 65, 420107, 420128, C22C 380, C22C 3830, C22C 3852

Patent

active

048656615

ABSTRACT:
A high strength austenitic steel having a yield strength above 600 N/mm.sup.2 at 02% permanent strain, containing about 0.5 to 1.5% by weight of nitrogen, about 6 to 12% by weight cobalt, and less than 5% by weight nickel. The steel is treated at about 1050.degree. C. to 1200.degree. C. and then quenched in water.

REFERENCES:
patent: 4588440 (1986-05-01), Simoneau
patent: 4610734 (1986-09-01), Hartwig et al.

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