Cr-containing austenitic alloy and method for producing the same

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United States of America Patent

PATENT NO 9695486
SERIAL NO

14388283

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Abstract

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There is provided a Cr-containing austenitic alloy having a chromium oxide film with a thickness of 5 nm or larger on the surface, wherein the content of Mn in a base metal is, by mass percent, less than 0.1%. The chemical composition of the base metal desirably consists of, by mass percent, C: 0.15% or less, Si: 1.00% or less, Mn: less than 0.1%, P: 0.030% or less, S: 0.030% or less, Cr: 10.0 to 40.0%, Ni: 8.0 to 80.0%, Ti: 0.5% or less, Cu: 0.6% or less, Al: 0.5% or less, and N: 0.20% or less, the balance being Fe and impurities.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8071

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hidaka, Yasuyoshi Tokyo, JP 35 128
Kanzaki, Manabu Tokyo, JP 12 27
Masaki, Yasuhiro Tokyo, JP 17 137
Miyahara, Osamu Tokyo, JP 38 290
Uehira, Akihiro Tokyo, JP 3 7

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