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US 2022/0025501 A1Published application
Metal coated steel strip
AssigneeBluescope Steel Limited
InventorsRoss McDowall Smith, Qiyang Liu, Joe Williams, Aaron Kiffer Neufeld, Scott Robin Griffiths
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Abstract
A steel strip that has a coating of an Al—Zn—Si alloy that contains 0.3-10 wt. % Mg and 0.005-0.2 wt. % V.
Claims6
A cold rolled steel strip that has a corrosion-resistant coating of an Al—Zn—Si—Mg alloy providing galvanic protection, the coating containing the following ranges in % by weight of the elements Al, Zn, Si, Mg and V:
- Al:
- 45 to 60%;
- Zn:
- 35 to 60%;
- Si:
- 1.2 to 2.5%;
- Mg:
- 1.0 to 3.0%;
- and
- V:
- 0.03 to 0.2%,
- wherein the V is present in the range of 0.03 to 0.2% as a deliberate alloy addition and not as an unavoidable impurity.
9 more elements
Dependencies are inferred from the claim text.