Title:
NI-CR-MO-BASED ALLOY FOR WELDED PIPE HAVING EXCELLENT WORKABILITY AND CORROSION RESISTANCE
Document Type and Number:
WIPO Patent Application WO/2023/286338
Kind Code:
A1
Abstract:
[Problem] To provide an Ni-Cr-Mo-based alloy having excellent workability and corrosion resistance at a welded part. [Solution] An Ni-Cr-Mo-based alloy comprising, by mass%, 0.002 to 0.020% of C, 0.02 to 1.00% of Si, 0.02 to 1.00% of Mn, 0.030% or less of P, 0.005% or less of S, 18.0 to 24.0% of Cr, 7.5 to 9.0% of Mo, 0.01 to 0.20% of Cu, 0.005 to 0.400% of Al, 0.1 to 1.0% of Ti, 3.0 to 6.0% of Fe, 2.5 to 4.0% of Nb, 0.01 to 0.50% of Co, 0.05 to 0.50% of V, 0.002 to 0.020% of N, 0.003 to 0.030% of Sn, 0.05 to 0.50% of W, 2.5 to 4.5% of Nb + Ti + V, 0.40% or less of Cu + 10 Sn, and the balance Ni and inevitable impurities.
Inventors:
MAEDA TAIKI (JP)
WEI FUGAO (JP)
WEI FUGAO (JP)
Application Number:
PCT/JP2022/009729
Publication Date:
January 19, 2023
Filing Date:
March 07, 2022
Export Citation:
Assignee:
NIPPON YAKIN KOGYO CO LTD (JP)
International Classes:
C22C19/05; C22F1/00; C22F1/10
Foreign References:
| JP2001509210A | 2001-07-10 | |||
| JPH1030140A | 1998-02-03 | |||
| JPH0483841A | 1992-03-17 | |||
| JPS53108022A | 1978-09-20 | |||
| JP2021183720A | 2021-12-02 |
Attorney, Agent or Firm:
SUENARI, Mikio (JP)
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