Metallic flux-cored wire for Ar-CO2 mixed gas shielded ARC welding

PROBLEM TO BE SOLVED: To provide a metallic flux-cored wire for Ar-COmixed gas shielded arc welding where spatter generation is extremely small because of stable arc, slag peelability and bead appearance and shape are excellent, crack resistance is excellent and a weld metal having proper proof stre...

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Bibliographische Detailangaben
Hauptverfasser:	Rikiya, Takayama, Yasuhito, Totsuka, Kiyohito, Sasaki, Yuki, Kayamori
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a metallic flux-cored wire for Ar-COmixed gas shielded arc welding where spatter generation is extremely small because of stable arc, slag peelability and bead appearance and shape are excellent, crack resistance is excellent and a weld metal having proper proof stress, strength and low-temperature toughness is obtained.SOLUTION: In a metallic flux-cored wire for Ar-COmixed gas shielded arc welding,: the total content of a steel outer skin and a flux, by mass% to the total mass of a wire, is 0.1-0.2% C, 0.5-1.8% Si, 1.3-3.0% Mn, 0.05-0.45% Cu, 0.005-0.015% S; and the total content in the flux, by mass% to the total mass of the wire, is 0.005-0.050% in terms of F, 0.01-0.20% SiO, 0.02-0.15% sum of in terms of NaO and in terms of KO and 4.0-10.5% iron powders.SELECTED DRAWING: None