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 10669607
APP PUB NO 20170016086A1
SERIAL NO

15301316

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Abstract

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This invention relates to a sheet or pre-coated blank comprising a steel substrate for heat treatment, overlaid on at least a part of at least one of its principal faces, by a pre-coating having, at least one layer of aluminum or aluminum alloy overlaid, on at least a part of the above-mentioned pre-coating, by a polymerized layer having a thickness between 2 and 30 μm composed of a polymer that does not contain silicon, and the nitrogen content of which, is greater than 1% by weight expressed in relation to the above-mentioned layer, wherein the above-mentioned polymerized layer contains carbon pigments in a quantity between 3 and 30% by weight, expressed in relation to said layer.

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Patent Owner(s)

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

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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