Process for treating 9% nickel steel

Details Process for treating 9% nickel steel Process for treating 9% nickel steel

1972-08-10

1976-07-13

Lovell, C.

Metal treatment

Compositions

Heat treating

148 315, 148125, C23C 1112, C21D 604

Patent

active

039691586

ABSTRACT:
A heat treatment of nine percent nickel steel including carburizing, double normalizing, tempering, subcooling and then tempering to provide a steel having useful mechanical properties at extremely low temperatures.

REFERENCES:
patent: 2451469 (1948-10-01), Brophy et al.
patent: 2532117 (1950-11-01), Newell
patent: 2992148 (1961-07-01), Yeo et al.
patent: 3366471 (1968-01-01), Hill et al.
patent: 3645721 (1972-02-01), Savas
Metals Handbook, 8th Ed., vol. 2, 1964, pp. 107-111.
Metals Handbook, 1948 Ed., pp. 683-685.

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