Composite-coated flat-rolled sheet metal manufacture and product

Details Composite-coated flat-rolled sheet metal manufacture and product Composite-coated flat-rolled sheet metal manufacture and product

1989-03-03

1992-01-28

Pace, Thurman K.

Stock material or miscellaneous articles

Composite

Of metal

428220, 428472, 428626, 205140, 205196, 205226, B32B 900

Patent

active

050843583

ABSTRACT:
Composite-coated flat-rolled steel, product, method of manufacture and method of fabrication in which single or double-reduced low-carbon steel, after surface preparation, is flash-coated with tin (about 0.05 #/bb) which is alloyed with the base metal. Dichromate treatment passivates the tin-iron alloy surfaces depositing a chrome oxide layer prior to application of an organic coating (about 3 to 15 mg/in.sup.2 to each surface). Enhanced coating adhesion of the organic coating enables draw-processing of the double-reduced steel base metal substrate into unitary can bodies without damage to coating or substrate.

REFERENCES:
patent: 3908066 (1975-09-01), Parkinson
patent: 3952136 (1976-04-01), Yoshikawa et al.
patent: 4008140 (1977-02-01), Fritsche
patent: 4027070 (1977-05-01), Asano et al.
patent: 4125670 (1978-11-01), Perfetti et al.
patent: 4160056 (1979-07-01), Tanaka et al.

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