Ni-BASED ALLOY FLUX-CORED WIRE

PROBLEM TO BE SOLVED: To provide a Ni-based alloy flux-cored wire which is free from seizure of a slag, excellent in hot crack resistance, and excellent in weldability at all welding position and bead shape in the welding of a Ni steel or Ni-based alloy. SOLUTION: In the Ni-based alloy flux-cored wi...

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Bibliographische Detailangaben
Hauptverfasser:	OGAWA TSUNEJI, MARUYAMA TOSHIHARU, KOUZUKI AKINO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a Ni-based alloy flux-cored wire which is free from seizure of a slag, excellent in hot crack resistance, and excellent in weldability at all welding position and bead shape in the welding of a Ni steel or Ni-based alloy. SOLUTION: In the Ni-based alloy flux-cored wire whose outer skin is formed of a Ni-based alloy containing Nb and/or Mn, the filling ratio of the flux to be housed is, by weight, 15-36% to the total weight of the wire, and the flux has the components 2-10% TiO2, 0.1-3% SiO2, 0.4-4% ZrO2 to the total weight of the wire, 0.01-0.4% at least one kind selected from a group consisting of Li, Na and K compounds in total in terms of Li, Na and K, 1-25% metals in total, and 4-15% slag in total, and substantially contains no Al2O3, carbonate, Fe oxide or Mn oxide.