Method of producing steel components that simultaneously have hi

Details Method of producing steel components that simultaneously have hi Method of producing steel components that simultaneously have hi

1986-09-19

1988-04-12

Rutledge, L. Dewayne

Metal treatment

Compositions

Heat treating

148149, 148152, C21D 168

Patent

active

047372028

ABSTRACT:
A steel with a carbon content of less than 0.3 percent by weight is used for steel-based components which are subjected to hot forming. A predominantly lower bainite structure is achieved by controlled cooling. The advantage is that components, such as truck steering knuckles, which are forged at temperatures of up to about 1300.degree. C., no longer need be subjected to annealing or tempering after cooling in order to possess good ductility in addition to high strength.

REFERENCES:
patent: 2879192 (1959-03-01), Gogan
patent: 3418178 (1968-12-01), Kulin et al.
patent: 3806378 (1974-04-01), Bramfitt et al.
patent: 3902927 (1975-09-01), Pernstal
patent: 4329188 (1982-05-01), Wang

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