Method of producing a stainless steel sheet having excellent sur

Details Method of producing a stainless steel sheet having excellent sur Method of producing a stainless steel sheet having excellent sur

1995-07-24

1998-09-01

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

Roller or roller-like tool-element of particular configuration

723662, 72199, B21B 3920

Patent

active

057995273

ABSTRACT:
A method of producing a stainless steel produces steel sheets having excellent surface brightness. The method includes performing a cold rolling operation using a work roll having a Young's modulus between 25,000 to 70,000 kg/mm.sup.2 in one or more stands of a tandem mill having a plurality of stands. Preferably the work roll is composed of a tungsten carbide based hard metal alloy. The diameter of a work roll at a final stand of the tandem mill is equal to or smaller than a diameter of a work roll in the previous stand. It is preferable that the work roll is dimensioned to have a diameter between 150 mm to 400 mm. In addition, it is preferable that a cold rolling operation is achieved at a reduction between 25% to 60% reduction in the final stand of the tandem mill.

REFERENCES:
patent: 4599883 (1986-07-01), Ginzburg et al.
patent: 4697320 (1987-10-01), Ishihara et al.
patent: 5025547 (1991-06-01), Sheu et al.

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