Hot-dip coated steel substrate

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United States of America

PATENT NO 12227822
APP PUB NO 20230272516A1
SERIAL NO

18142197

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Abstract

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A hot-dip coated steel substrate coated with a layer of Sn directly topped by a zinc or an aluminum based coating is provided, the steel substrate having the following chemical composition in weight percent:

    0.10≤C≤0.4%,1.2≤Mn≤6.0%,0.3≤Si≤2.5%,Al<2.0%,and on a purely optional basis, one or more elements such asP<0.1%, Nb≤0.5%, B≤0.005%,Cr≤1.0%,Mo≤0.50%,Ni≤1.0%,Ti≤0.5%,the remainder of the composition making up of iron and inevitable impurities resulting from the elaboration, the steel substrate further having between 0.0001 and 0.01% by weight of Sn in the region extending from the steel substrate surface up to 10 μm.

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Patent Owner(s)

  • ARCELORMITTAL COMMERCIAL RPS S.A.R.L.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bordignon, Michel Sprimont, BE 3 7
Staudte, Jonas Montigny-les-Metz, FR 8 43

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