Invention Grant
- Patent Title: Coated steel strips, coated stamped products and methods
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Application No.: US17479050Application Date: 2021-09-20
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Publication No.: US11939643B2Publication Date: 2024-03-26
- Inventor: Pascal Drillet , Dominique Spehner , Ronald Kefferstein
- Applicant: ArcelorMittal
- Applicant Address: LU Luxembourg
- Assignee: ArcelorMittal
- Current Assignee: ArcelorMittal
- Current Assignee Address: LU Luxembourg
- Agency: Davidson, Davidson & Kappel, LLC
- The original application number of the division: US17319306 2021.05.13
- Main IPC: C21D9/46
- IPC: C21D9/46 ; B32B15/01 ; C23C2/12 ; C23C2/26 ; C23C2/40

Abstract:
A pre-coated steel strip is provided. The steel strip includes a strip of base steel having a length, a width, a first side, and a second side. The length of the strip is at least 100 m and the width is at least 600 mm. An aluminum or an aluminum alloy pre-coating is on at least part of at least one of the first or second sides of the strip of base steel. A thickness tp of the pre-coating is from 20 to 33 micrometers at every location on at least one of the first or second sides. Processes, coated stamped products and land motor vehicles are also provided.
Public/Granted literature
- US20220002834A1 COATED STEEL STRIPS, COATED STAMPED PRODUCTS AND METHODS Public/Granted day:2022-01-06
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