Method of producing press-hardened and coated steel parts at a high productivity rate

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United States of America Patent

PATENT NO 10648055
APP PUB NO 20170268078A1
SERIAL NO

15611153

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Abstract

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A sheet or blank is provided which includes a substrate and pre-coating on at least one face of the substrate. A polymerized layer overlies at least a part of the pre-coating and has a thickness from 2 μm to 30 μm, a nitrogen content of less than 1% by weight, carbon pigments in a quantity from 3 to 30% by weight and does not include a polymer with silicon. A welded blank, part and fabrication methods are also provided.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dessain, Christine Villeneuve sur Verberie, FR 5 19
Sanadres, Michel Pont-Saint-Maxence, FR 8 50

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