Method for direct heat treating hot rolled steel wire rod

Details Method for direct heat treating hot rolled steel wire rod Method for direct heat treating hot rolled steel wire rod

1980-09-05

1982-02-09

Stallard, W.

Metal treatment

Compositions

Heat treating

C21D 952

Patent

active

043148603

ABSTRACT:
Method for heat treating hot rolled steel wire rod in direct sequence with the final finishing stand of a rod hot rolling mill which comprises a series of steps of subjecting the rod emerging from the rolling mill to a direct controlled cooling in the range of Ms to 550.degree. C. by utilizing the retained heat of the rod, and subsequently reheating it to a temperature as equal as the nose temperature of TTT diagram with a view to achieving the complete transformation to the sorbite structure, whereby a wire rod product having the mechanical properties equal to those of a rod resulting from the lead patenting process can be obtained.

REFERENCES:
patent: 3231432 (1966-01-01), McLean et al.
patent: 3645805 (1972-02-01), Hoffmann et al.
patent: 3783043 (1974-01-01), Almond et al.

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