Method of heat treatment of ductile metal strip

Details Method of heat treatment of ductile metal strip Method of heat treatment of ductile metal strip

1977-12-27

1980-01-08

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

118 65, 148 115A, 148156, 266102, 432 8, B05C 1310, C21D 952

Patent

active

041826353

ABSTRACT:
In a process in which strip metal is subjected to heating while suspended as a catenary in a heating zone, the strip is passed into the heating zone in a condition in which the lower surface is slightly elongated in relation to the upper surface. The differential elongation may be due to "coil set" in the strip feed coil or may be applied by a roller leveller or equivalent mechanism during passage from a feed coil to the heating zone. The procedure is conveniently employed to control edge creep and improve flatness in stoving coated strip or in annealing operations.

REFERENCES:
patent: 1704015 (1929-03-01), Naugle et al.
patent: 1906211 (1933-04-01), Junker
patent: 2060634 (1936-11-01), Otis
patent: 2197622 (1940-04-01), Sendzimir
patent: 2580406 (1952-01-01), Calton
patent: 2673080 (1954-03-01), Hepburn et al.
patent: 3312576 (1967-04-01), Palik
patent: 3682712 (1972-08-01), Vernier

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