Method for producing an ultra high strength coated or not coated steel sheet and obtained sheet

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United States of America Patent

PATENT NO 11131003
APP PUB NO 20190264299A1
SERIAL NO

16413111

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Abstract

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A method for producing a cold rolled steel sheet having a tensile strength≥1470 MPa and a total elongation TE≥19%, the method comprising the steps of annealing at an annealing temperature AT≥Ac3 a non-treated steel sheet whose chemical composition contains in weight %: 0.34%≤C≤0.40%, 1.50%≤Mn≤2.30%, 1.50≤Si≤2.40%, 0%

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Patent Owner(s)

Patent OwnerAddress
ARCELORMITTAL24-26 BOULEVARD D'AVRANCHES L-1160 LUXEMBOURG L-1160

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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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