Method for producing an ultra high strength galvannealed steel sheet and obtained galvannealed steel sheet

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United States of America Patent

PATENT NO 11512362
APP PUB NO 20210047707A1
SERIAL NO

17087019

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Abstract

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A method for producing a coated steel sheet having a tensile strength TS of at least 1450 MPa and a total elongation TE of at least 17% includes the successive steps of providing a cold rolled steel sheet made of a steel having a chemical composition comprising, in weight %: 0.34%≤C≤0.45%, 1.50%≤Mn≤2.30%, 1.50≤Si≤2.40%, 0%

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Patent Owner(s)

Patent OwnerAddress
ARCELORMITTALLUXEMBURG LUXEMBURG CITY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Girina, Olga A East Chicago, US 7 6
Panahi, Damon East Chicago, US 10 6

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