Weldable colored steel sheet

Details Weldable colored steel sheet Weldable colored steel sheet

1994-08-15

1996-09-17

Simmons, David A.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428626, 428457, B22B 1508

Patent

active

055567150

ABSTRACT:
A colored steel sheet having a coating thickness which is sufficiently small to permit welding therethrough, and yet exhibiting an excellent colored and lustrous surface. It is a steel sheet having a surface plated with zinc or zinc alloy, and carrying a chromate film formed on its plated surface, and a colored film formed on the chromate film from a composition comprising specific proportions of a water-soluble or water-dispersible thermosetting resin and a water-soluble dye. The composition may further contain a solid lubricant, or a granular rust-inhibitive pigment, or both. The colored film has a specific range of thickness, and a color other than a black.

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patent: 5378291 (1995-01-01), Ara et al.

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