AUSTENITIC STAINLESS STEEL AND TUBE

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United States of America Patent

APP PUB NO 20240254609A1
SERIAL NO

18564389

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided an austenitic stainless steel having a chemical composition that comprises, in mass %: C: 0.002 to 0.020%, Si: 0.10 to 0.60%, Mn: 0.2 to 2.0%, P: 0.035% or less, S: 0.010% or less, Cu: 2.50 to 4.50%, Ni: 9.00 to 16.00%, Cr: 15.00 to 20.00%, Mo: 0.20 to 1.50%, Nb: 0.15 to 0.60%, N: 0.05 to 0.15%, B: 0.0010 to 0.0060%, and optional elements, with the balance: Fe and impurities and that satisfies [0.010≤VER+TiER+NbER], [27.0≤1.13 (Ni—NiER)+(Cr—CrER)+1.85 (Mo—MoER)+1.79(Nb—NbER)<40.5], and [NbER<0.052].

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATIONCHIYODA-KU TOKYO 100-8071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
NISHIMOTO, Takumi Tokyo, JP 41 464
SETO, Masahiro Tokyo, JP 17 361
TANAKA, Katsuki Tokyo, JP 17 7

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