Title:
FLUX-CORED WIRE
Document Type and Number:
WIPO Patent Application WO/2022/172666
Kind Code:
A1
Abstract:
Provided is a flux-cored wire for gas-shielded arc welding, which makes it possible to obtain a weld metal having excellent strength and toughness even with a high PWHT temperature, and which has good welding workability. In the flux-cored wire for gas-shielded arc welding, in which flux is filled in a steel sheath, the contents of Fe, C, Mn, Cr, Ni, Mo, Nb, V, P, and S are controlled within prescribed ranges, and the flux-cored wire contains, with respect to the total mass of the wire: 3.0-9.0 mass% of TiO2; 0.5-1.5 mass% of Si metal and a Si compound in terms of SiO2; 0.10-1.50 mass% of Co; and 0.015-0.060 mass% of N. The Li content is 0.11 mass% or less, the Mg content is 0.85 mass% or less, and the total content of K and Na is 0.3 mass% or less.
Inventors:
ISONO SHINYA
TAKAUCHI HIDEAKI
TAKAUCHI HIDEAKI
Application Number:
PCT/JP2022/000522
Publication Date:
August 18, 2022
Filing Date:
January 11, 2022
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
B23K35/368; B23K35/30
Foreign References:
| JP2019093428A | 2019-06-20 | |||
| JP2019048324A | 2019-03-28 | |||
| JP2018144071A | 2018-09-20 | |||
| JP2015027700A | 2015-02-12 | |||
| JP2021021936A | 2021-02-18 |
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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