BAKED FLUX, METHOD FOR MANUFACTURING SUBMERGED-ARC-WELDED JOINT, AND SUBMERGED-ARC-WELDED JOINT

Title:

BAKED FLUX, METHOD FOR MANUFACTURING SUBMERGED-ARC-WELDED JOINT, AND SUBMERGED-ARC-WELDED JOINT

Document Type and Number:

WIPO Patent Application WO/2024/057534

Kind Code:

A1

Abstract:

A baked flux according to an embodiment of the present invention contains, in terms of mass%, 0.50-10.00% metallic Al, 0-12.00% TiO2, 2.00-30.00% CaCO3, 5.00-18.00% CaF2, 0-50.00% CaO, 10.00-30.00% Al2O3, 3.00-35.00% MgO, 0-1.00% B2O3, 0-30.00% SiO2, 0-10.00% MnO, and 0-10.00% metallic Cr, the remainder comprising impurities. A method for manufacturing a welded joint according to another embodiment of the present invention comprises a step for submerged-arc-welding a steel material using the abovementioned baked flux.

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Inventors:

NOMOTO MASASHI (JP)

Application Number:

PCT/JP2022/034769

Publication Date:

March 21, 2024

Filing Date:

September 16, 2022

Export Citation:

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Assignee:

NIPPON STEEL CORP (JP)

International Classes:

C22C38/00; B23K35/362; C22C38/58

Foreign References:

JP2013039604A	2013-02-28
JP2021169641A	2021-10-28
JP2008248315A	2008-10-16
JPH10324950A	1998-12-08
JP2015155111A	2015-08-27
JPH07171695A	1995-07-11
JPS5877790A	1983-05-11

Attorney, Agent or Firm:

MATSUNUMA Yasushi et al. (JP)

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