FLUX FOR SUBMERGED ARC WELDING

The purpose of the present invention is to provide a flux for submerged arc welding that is a fired flux, the flux being exceptional in terms of slab peelability, bead formation, and bead external appearance during high-speed welding in which a high current is used. In this flux for submerged arc we...

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Bibliographische Detailangaben
Hauptverfasser:	SATO MUNENOBU, HATOMOTO DAISUKE
Format:	Patent
Sprache:	chi ; 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:	The purpose of the present invention is to provide a flux for submerged arc welding that is a fired flux, the flux being exceptional in terms of slab peelability, bead formation, and bead external appearance during high-speed welding in which a high current is used. In this flux for submerged arc welding, the total content amount of CaF2, MgO, Na2O, and K2O, as well as the content amounts of MnO,FeO, SiO2, Al2O3, and TiO2, are within prescribed ranges. Furthermore, this flux for submerged arc welding satisfies the relationships 65