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FLUX-CORED WIRE FOR TWO-ELECTRODE HORIZONTAL FILLET CO2 GAS SHIELD ARC WELDING
FLUX-CORED WIRE FOR TWO-ELECTRODE HORIZONTAL FILLET CO2 GAS SHIELD ARC WELDING
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机译:两电极水平圆角CO2气体屏蔽电弧焊用药芯焊丝
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摘要
PROBLEM TO BE SOLVED: To provide a flux-cored wire for two-electrode horizontal fillet gas shield arc welding: having no undercut and overwrap; obtaining a sound weld bead; having good slag peelability and porosity resistance; and being excellent in the mechanical property of a welded part.;SOLUTION: A flux-cored wire for two-electrode horizontal fillet gas shield arc welding includes in a flux:, in mass% to a wire total mass, 3.20-4.20% TiO2 conversion value; 0.50-1.50% SiO2 conversion value; 0.20-1.20% ZrO2 conversion value; 0.1-0.5% Mg; 0.20-0.35% total of Na2O conversion value and K2O conversion value; 0.25-0.45% F conversion value; 0.010-0.030% total of Bi conversion value; 0.05-0.30% Al2O3 conversion value; 0.05-0.30% FeO conversion value; further, in the total of a steel sheath and the flux, 0.04-0.08% C; 0.20-0.80% Si; 2.60-3.60% Mn; and 0.05-0.40% Al.;COPYRIGHT: (C)2015,JPO&INPIT
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