Method of producing high-strength steel plates with excellent ductility and plates thus produced

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United States of America Patent

PATENT NO 9732404
APP PUB NO 20080199347A1
SERIAL NO

11997609

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Abstract

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Steel sheet, the composition of the steel of which comprises, the contents being expressed by weight: 0.08%≦C≦0.23%, 1%≦Mn≦2%, 1≦Si≦2%, Al≦0.030%, 0.1%≦V≦0.25%, Ti≦0.010%, S≦0.015%, P≦0.1%, 0.004%≦N≦0.012%, and, optionally, one or more elements chosen from: Nb≦0.1%, Mo≦0.5%, Cr≦0.3%, the balance of the composition consisting of iron and inevitable impurities resulting from the smelting.

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Patent Owner(s)

Patent OwnerAddress
ARCELORMITTAL FRANCE93200 SAINT DENIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barges, Patrick Roserieulles, FR 5 15
Perrard, Fabien Metz, FR 1 13
Petitgand, Gerard Plesnois, FR 3 16
Scott, Colin Montigny les Metz, FR 24 131

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