Continuous cooling of low carbon steel wire rod

Details Continuous cooling of low carbon steel wire rod Continuous cooling of low carbon steel wire rod

1980-10-24

1982-06-01

Stallard, W.

Metal treatment

Compositions

Heat treating

C21D 952

Patent

active

043326307

ABSTRACT:
Low carbon steel (C.ltoreq.0.4%) wire rod at 800.degree.-880.degree. C. f a rolling mill is deposited in loose turns on a conveyor where it is slowly cooled until the austenite to ferrite transformation is at least 80% complete and the ferrite grain size is at lest ASTM 9 and is then rapidly cooled to 350.degree.-560.degree. C. Thereafter, the wire rod, e.g. on the conveyor or in coils, is subjected to a slow-cooling stage functioning as an overaging stage.

REFERENCES:
patent: 3940294 (1976-02-01), Sergeant
patent: 4165996 (1979-08-01), Paulus
patent: 4168993 (1979-09-01), Wilson et al.

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