Method for enhancing the drawability of low manganese steel stri

Details Method for enhancing the drawability of low manganese steel stri Method for enhancing the drawability of low manganese steel stri

1974-09-30

1976-05-04

Stallard, W.

Metal treatment

Compositions

Heat treating

C21D 948

Patent

active

039545164

ABSTRACT:
The drawability of low carbon (0.015 to 0.06%), low Mn (<0.25%) steel strip, is improved by (i) employing cold reductions higher than is conventionally employed, i.e. > 80% and (ii) by annealing in the two-phase (ferrite and austenite) region. The effectiveness of such high temperature annealing and such high cold reductions is further enhanced as the phosphorus content increases.

REFERENCES:
patent: 3607456 (1971-09-01), Forand, Jr.
patent: 3663310 (1972-05-01), Shiraiwa et al.
patent: 3666569 (1972-05-01), Hultgren
patent: 3806373 (1974-04-01), Shimizu et al.

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