Process for forming ferrous billets into finished product

Details Process for forming ferrous billets into finished product Process for forming ferrous billets into finished product

1976-07-30

1977-11-29

Stallard, W.

Metal treatment

Compositions

Heat treating

72201, 72364, 72365, 148 12B, C21D 714

Patent

active

040604284

ABSTRACT:
A process for forming a ferrous billet into a finished product is disclosed comprising the following steps, in sequence: heating the billet to an appropriate elevated bulk temperature in preparation for rolling; hot rolling the heated billet to produce a semifinished product having an intermediate bulk temperature which is lower than said elevated bulk temperature; cooling the semifinished product to reduce the surface temperature thereof to a level below that of a desired finish rolling bulk temperature; allowing the temperatures of the surface and center portions of the semifinished product to equalize substantially to the level of the desired finish rolling bulk temperature; rolling the semifinished product to a finished product; and, cooling the finished product to an ambient bulk temperature.

REFERENCES:
patent: 2756169 (1956-07-01), Corson et al.
patent: 3231432 (1966-01-01), McLean et al.
patent: 3645805 (1972-02-01), Hoffmann et al.
patent: 3933534 (1976-01-01), Ettenreich et al.
patent: 3939015 (1976-02-01), Grange

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