Isg Technologies Inc.

Bethlehem Steel Corporation

Other

Erin T McDevitt

Fritz J Friedersdorf

H E George Rommal

Scott A Kriner

The present invention is directed to a method of refining spangle facet size in a hot-dip coated product by applying grain-refining particles to the surface of a steel substrate before immersion into the hot-dip coating bath, to an intermediate coated steel sheet, and to a finish coated steel sheet having a different coating spangle facet size on opposite surfaces.

Process for applying a metallic coating, an intermediate coated product, and a finish coated product

A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to control the spangle facet size of the coated product, improve tension bend rust stain performance, and improve coated product paintability. Constituents include borides such as titanium boride and aluminum borides, carbides such as titanium carbide, and aluminides such as titanium aluminide. The method produces a coated steel product that does not require temper rolling for painting.

Composition for controlling spangle size, a coated steel product, and a coating method

A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to control the spangle facet size of the coated product, improve tension bend rust stain performance, and improve coated product paintability. Constituents include borides such as titanium boride and aluminum borides, carbides such as titanium carbide, andaluminides such as titanium aluminide. The method produces a coated steel product does not require temper rolling for painting.

A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to decrease the spangle facet size of the coated product, improve tension bend rust stain performance, and coated product paintability. Constituents include borides such as titanium boride and aluminum borides, carbides such as titanium carbide, and aluminides such as titanium aluminide. The method produces a coated steel product that does not require temper rolling for painting.

Coating composition for steel&mdash;product, a coated steel product, and a steel product coating method

A method of coating of steel products such as plate and sheet using an aluminum-zinc coating alloy includes modifying the coating bath with a particulate compound constituent in effective amounts to decrease the spangle facet size of the coated product, improve tension bend rust stain performance, improve coated surface appearance when brushed, and coated product paintability. Constituents include borides such as titanium boride and aluminum borides, carbides such as titanium carbide, and aluminides such as titanium aluminide. The method produces a coated steel product that does not require temper rolling for painting.

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Wind Gap, PA, United States of America

Erin T McDevitt