Method of heat treating low carbon steel strip

Details Method of heat treating low carbon steel strip Method of heat treating low carbon steel strip

1984-12-20

1986-05-27

Stallard, Wayland

Metal treatment

Compositions

Heat treating

148 123, 428653, C21D 946

Patent

active

045913951

ABSTRACT:
A method of heat treating cold reduced, aluminum-killed low carbon steel strip containing up to 0.1% carbon, at least about 0.015% acid soluble aluminum, and manganese at least 10 times the sulfur content, comprising hot rolling, coiling at less than 1200.degree. F., cold rolling to strip, and pretreating by heating at a temperature and for a time sufficient to precipitate aluminum nitride before substantial recrystallization occurs, thereby retarding recrystallization during subsequent heating.

REFERENCES:
patent: 2597979 (1952-05-01), Darmara
patent: 3336166 (1967-08-01), Shimzu et al.
patent: 3857740 (1974-12-01), Gondo et al.
patent: 3879232 (1975-04-01), Gondo et al.
patent: 4043807 (1977-08-01), Kirman
patent: 4067754 (1978-01-01), Elias et al.
patent: 4185998 (1980-01-01), Reisdorf
patent: 4448614 (1984-05-01), Morimoto et al.

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