Austenitic stainless steel and hydrogen resistant member

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12188113
APP PUB NO 20230257861A1
SERIAL NO

18105212

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure relates to an austenitic stainless steel contains C≤0.10 mass %, Si≤0.50 mass %, 3.0≤Mn≤8.0 mass %, P≤0.30 mass %, S≤0.30 mass %, 7.0≤Ni≤12.0 mass %, 18.0≤Cr≤28.0 mass %, 1.0≤Mo≤3.0 mass %, 0.03≤V≤0.50 mass %, 0.0003≤B≤0.0300 mass %, 0.0001≤Ca≤0.0300 mass %, 0.35≤N≤0.80 mass %, W≤2.0 mass %, Zr≤0.20 mass %, Cu≤0.5 mass %, Al≤0.10 mass %, and O≤0.050 mass %, with a balance being Fe and unavoidable impurities. The austenitic stainless steel has a number density of coarse alloy carbonitrides of 3×105 pieces/mm2 or less.

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Patent Owner(s)

  • DAIDO STEEL CO. LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ando, Tomohiro Nagoya, JP 24 239
Koyanagi, Yoshihiko Nagoya, JP 20 3
Kudo, Daisuke Nagoya, JP 38 122
Takahashi, Nobuyuki Nagoya, JP 316 4437

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