As-worked, heat treated cold-workable hypoeutectoid steel

Details As-worked, heat treated cold-workable hypoeutectoid steel As-worked, heat treated cold-workable hypoeutectoid steel

1975-11-28

1977-05-31

Lovell, C.

Metal treatment

Compositions

Heat treating

C22C 3900, C21D 714

Patent

active

RE0292400

ABSTRACT:
Hypoeutectoid steels are worked within a temperature range of between the A.sub.1 temperature to 150.degree. F. below the A.sub.1 temperature. The cross-sectional area of the steels is reduced by not less than 60% during working. After working, the steels can be heated to about the A.sub.1 temperature to obtain the optimum hardness and ductility for cold-working.
The as-worked structure and the heat treated structure are also described.

REFERENCES:
patent: 1295568 (1919-02-01), Murray
patent: 2025016 (1935-12-01), Chancellor
patent: 2814578 (1957-11-01), White
patent: 3076361 (1963-02-01), Epstein et al.
patent: 3285789 (1966-11-01), Grange et al.
patent: 3459599 (1969-08-01), Grange

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