Title:
AUSTENITE-BASED NI-CR-FE ALLOY HAVING EXCELLENT OXIDATION RESISTANCE, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2024/127758
Kind Code:
A1
Abstract:
This austenite-based Ni-Cr-Fe alloy has a component composition containing, in mass%, 0.01-0.10% of C, 0.02-0.45% of Si, 0.10-0.85% of Mn, not more than 0.015% of P, not more than 0.0015% of S, 13.0-18.0% of Cr, 5.0-11.0% of Fe, not more than 0.6% of Mo, not more than 0.5% of Cu, not more than 0.005% of B, 0.01-0.3% of Al, 0.01-0.3% of Ti, not more than 1.00% of Co, not more than 1.00% of Nb, not more than 0.05% of Ta, not more than 0.01% of N, 0.0002-0.0040% of O, not more than 0.002% of Ca, and a total weight of 0.001-0.010% of one or more among La, Ce, and Y which are rare-earth elements (REMs), the remaining portion being Ni and unavoidable impurities.
Inventors:
TSUTSUMI, Fumihito (Technical Research Center, 4-2 Kojima-Cho, Kawasaki-Ku, Kawasaki-sh, Kanagawa 61, JP)
Application Number:
PCT/JP2023/033907
Publication Date:
June 20, 2024
Filing Date:
September 19, 2023
Export Citation:
Assignee:
NIPPON YAKIN KOGYO CO., LTD. (Chuo-ku Tokyo, 31, JP)
International Classes:
C22C19/05; C22B23/02; C22C1/02
Attorney, Agent or Firm:
SUENARI, Mikio (19-2 Kyobashi 1-chome, Chuo-k, Tokyo 31, JP)
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