Apparatus and method for the manufacture of DR steel strip

Details Apparatus and method for the manufacture of DR steel strip Apparatus and method for the manufacture of DR steel strip

1995-04-25

1997-12-02

Kastler, Scott

Metallurgical apparatus

Means treating a continuum of work

With heating means

C21D 954

Patent

active

056932871

ABSTRACT:
Apparatus and method for manufacture of DR (Double Reduced) steel strip in which a continuous annealing furnace is arranged for annealing of cold-reduced steel strip passing continuously through said furnace, and a rolling mill for cold-rolling of steel strip is arranged to receive in-line the output of annealed steel strip from said furnace. The mill has at least one roll stand having a pair of work rolls of which only one is driven externally. Rolling fluid, preferably free of mineral oil, is supplied to the strip being rolled in the rolling mill, and is removed from the strip prior to entry of the strip to downstream tension-applying means.

REFERENCES:
patent: 2139483 (1938-12-01), Badlam
patent: 2658741 (1953-11-01), Schmidt et al.
patent: 3095361 (1963-06-01), Stone
patent: 3580033 (1971-05-01), Gay
patent: 4379547 (1983-04-01), Shimbashi et al.
Steel in the USSR, 19, No. 6, Jun. 1989, pp. 256-258 "Development and Introduction of Efficient Schedules for Rolling . . . ".
Database WPI, AN 79-41353B, Apr. 1979, JP-A-54-49958.

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