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US 4,057,424 AGranted
Zinc-based alloy for coating steel
AssigneeItalsider S.p.A.
InventorsRoberto Bruno, Massimo Memmi, Paolo Berardi, Augusto Musso
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Abstract
The present invention relates to a zinc-based alloy for coating steel and products coated therewith. More exactly, the invention relates to a low-alloy zinc suitable for the continuous coating of steel, particularly in the form of sheet and wire, on Sendzimir coating lines and to the products coated with said alloy.
Claims2
Zinc-based alloy for coating steel, particularly for continuous coating of flat steel sheet and wire using the Sendzimir process, essentially consisting of the following alloy elements in percentage by weight:
- Al 0.10-0.30%, Mg 0.30-0.80%, Cr 0-0.20%, Ti 0-0.20%, the balance being zinc, the ratio of Mg/AL being 4 or less and the ratio of Cr/Al being 1.5 or less.
Dependencies are inferred from the claim text.