Heat-resistant austenitic stainless steel sheet

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United States of America Patent

PATENT NO 9714459
APP PUB NO 20150083283A1
SERIAL NO

14387114

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Abstract

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The present invention is directed to a heat-resistant austenitic stainless steel sheet comprising, by mass %, C: 0.03% to 0.06%, N: 0.1% to 0.3%, Si: 1% or less Mn: 3% or less, P: 0.04% or less, S: 0.03% or less, Ni: 5 to 12%, Cr: 15 to 20%, Al: 0.01% to 0.1%, Nb: 0.05% to 0.3%, V: 0.05% to 0.30%, Ti: 0.03% or less, (Nb+V)/(C+N): 2 or less and further a balance of Fe and unavoidable impurities, and wherein an amount of precipitates mainly comprised of carbonitrides is 1% or less.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATIONCHIYODA-KU TOKYO 100-0004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fudanoki, Fumio Tokyo, JP 11 62
Hamada, Junichi Tokyo, JP 66 242
Inoue, Yoshiharu Tokyo, JP 60 771

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