Title:
NICRFE ALLOY MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/190526
Kind Code:
A1
Abstract:
Provided is an NiCrFe alloy material that exhibits an excellent corrosion resistance and an excellent weldability. The NiCrFe alloy material according to the present disclosure contains, expressed as mass%, C : 0.002 to 0.030%, Si : 0.05 to 0.50%, Mn : 0.10 to 1.50%, P : not more than 0.050%, S : not more than 0.0200%, Ni : 29.0 to 40.0%, Cr : 24.00 to 30.00%, Mo : 5.0 to 7.5%, N : 0.20 to 0.40%, Al : not more than 0.50%, Ca : 0.0002 to 0.0040%, and B : 0.0001 to 0.0050%, with the balance being Fe and impurities, and has a chemical composition that satisfies formula (1). (1): 0.0 < 8.5 × Mn + 19.5 × Ni - 12.43 × Cr - 42.4 × Mo - 10250 × Ca + 1250 × B - 74.3776 < 6.5
The contents of the corresponding elements in mass% are substituted for the element symbols in formula (1).
Inventors:
TAKEDA KIYOKO (JP)
IZAWA TAKAHIRO (JP)
IZAWA TAKAHIRO (JP)
Application Number:
PCT/JP2023/012543
Publication Date:
October 05, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
C22C30/04; C22F1/00; C22F1/16
Domestic Patent References:
| WO2022025083A1 | 2022-02-03 |
Foreign References:
| JP2018031028A | 2018-03-01 | |||
| JP2021031720A | 2021-03-01 | |||
| JPS59226151A | 1984-12-19 | |||
| JP2014500907A | 2014-01-16 |
Attorney, Agent or Firm:
ASCEND IP LAW FIRM (JP)
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