Ferritic stainless steel

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United States of America Patent

PATENT NO 10047419
APP PUB NO 20150337418A1
SERIAL NO

14410225

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Abstract

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The invention relates to a ferritic stainless steel having enhanced high temperature strength and good resistance to high cycle fatigue, creep and oxidation for use in high temperature service, for components such as automotive exhaust manifolds. The steel contains in weight % less than 0.03% carbon, 0.05-2% silicon, 0.5-2% manganese, 17-20% chromium, 0.5-2% molybdenum, less than 0.2% titanium, 0.3-1% niobium, 1-2% copper, less than 0.03% nitrogen, 0.001-0.005% boron, the rest of the chemical composition 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
Ivarsson, Bo Avesta, SE 1 1
Kujansuu, Mirva Tornio, FI 1 1
Liu, Huiping Linköping, SE 18 282
Olsson, Fredrik Avesta, SE 35 143
Pettersson, Rachel Norrtälje, SE 3 2
Sotto, Vangeli Pascale Avesta, SE 1 1

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