Firing flux, method for manufacturing submerged arc welded joints, and submerged arc welded joint
JP7861284B2Active Publication Date: 2026-05-19NIPPON STEEL CORPORATION
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- NIPPON STEEL CORPORATION
- Filing Date
- 2022-09-16
- Publication Date
- 2026-05-19
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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