Duplex stainless steel

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United States of America Patent

PATENT NO 11692253
APP PUB NO 20160369382A1
SERIAL NO

15114188

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Abstract

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A duplex ferritic austenitic stainless steel having high formability utilizing the TRIP effect and high corrosion resistance with the balanced pitting resistance equivalent is formed with less than 0.04 weight % carbon, 0.2-0.8 weight % silicon, less than 2.0 weight % manganese, 16.5-19.5 weight % chromium, 3.0-4.7 weight % nickel, 1.5-4.0 weight % molybdenum, less than 3.5 weight % tungsten, less than 1 weight % copper, 0.13-0.26 weight % nitrogen, the rest being iron and inevitable impurities occurring in stainless steels.

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Patent Owner(s)

  • OUTOKUMPU OYJ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jonsson, Jan Y Avesta, SE 8 12
Oliver, James Fjärdhundra, SE 62 557

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