Title:
FLUX-CORED WIRE, WELD JOINT MANUFACTURING METHOD AND WELD JOINT
Document Type and Number:
WIPO Patent Application WO/2017/154122
Kind Code:
A1
Abstract:
This flux-cored wire is provided with a steel sheath, and flux filled in the steel sheath. This flux contains fluorides, the total value α of the F-equivalent values of said fluorides being 0.21% or greater, oxides, the total value β of the content of said oxides being 0.30-3.50%, and carbonates, the total value of the content of said carbonates being 0-3.50%, wherein the content of CaO is 0-0.20%, the content of iron powder is greater than or equal to 0% and less than 10.0%, the Y value is less than or equal to 5.0%, the content of CaF2 is less than 0.50%, the content of Ti oxides is 0.10-2.50%, the ratio of α/β is 0.10-4.00, the total value of the contents of MgCO3, Na2CO3, and LiCO3 is 0-3.00%, chemical components other than the aforementioned fluorides, oxides, CaO, carbonate and iron powder are within a prescribed range, and Ceq is 0.10-0.44%.
Inventors:
WATANABE KOTARO (JP)
KUMAGAI TATSUYA (JP)
FUJIMOTO HIROKI (JP)
KUMAGAI TATSUYA (JP)
FUJIMOTO HIROKI (JP)
Application Number:
PCT/JP2016/057246
Publication Date:
September 14, 2017
Filing Date:
March 08, 2016
Export Citation:
Assignee:
NIPPON STEEL & SUMITOMO METAL CORP (JP)
International Classes:
B23K35/368; B23K35/30
Domestic Patent References:
| WO2015068443A1 | 2015-05-14 | |||
| WO2011074689A1 | 2011-06-23 |
Foreign References:
| JP2015006693A | 2015-01-15 | |||
| JP2010194595A | 2010-09-09 | |||
| JP2016083677A | 2016-05-19 |
Other References:
See also references of EP 3427891A4
Attorney, Agent or Firm:
SHIGA Masatake et al. (JP)
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