Light-cage composite-coated flat-rolled steel manufacture and pr

Details Light-cage composite-coated flat-rolled steel manufacture and pr Light-cage composite-coated flat-rolled steel manufacture and pr

1993-04-19

1995-05-09

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148529, 148530, 148537, 220456, 72 46, B21D 5126, B65D 112

Patent

active

054136458

ABSTRACT:
New composite-coated flat-rolled steel product and new methods of manufacture in which low-carbon steel, as received in cold-reduced continuous strip form is prepared for plating, a corrosion-prevention plating is applied, and a selected polymeric coating with lubricant is applied as the finish surface. The resulting composite-coated steel substrate is cold-rolled to decrease the composite-coated steel substrate gage. Selection of cold rolling steps, with non-use or selected use of stress-relief type of heat treatment before and/or after an initial cold-rolling of the steel substrate as received prior to surface preparation, provides for selective tin mill manufacture of composite-coated steel of various weights per unit area, for example, in the range of about 35 to about 100 lb/bb, produced by cold rolling of the composite-coated flat-rolled steel.

REFERENCES:
patent: 3568486 (1971-03-01), Rosenberg et al.
patent: 4812365 (1989-03-01), Saunders et al.
patent: 4875597 (1989-10-01), Saunders
patent: 5084358 (1992-01-01), Saunders
patent: 5119657 (1992-06-01), Saunders
patent: 5137762 (1992-08-01), Aizawa et al.

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