Gas shielded arc-welding flux cored wire

Details Gas shielded arc-welding flux cored wire Gas shielded arc-welding flux cored wire

1999-06-29

2000-10-31

Ryan, Patrick

Electric heating

Metal heating

Weld rod structure

2191463, 148 24, 148 26, B23K 3502

Patent

active

061406074

ABSTRACT:
A gas shielded arc-welding flux cored wire having a steel-made sheath filled with flux. The flux cored wire containing, by weight % based on the total weight of the wire, 1.0% or more Si--Mn ferroalloy powder having a grain size of 212 .mu.m or less; 2.0 to 7.0% TiO.sub.2 ; 0.2 to 1.5% SiO.sub.2 ; 0.1 to 1.2% ZrO.sub.2 ; and 0.01 to 0.3% fluoride (F-converted value). The powder comprises, by weight %, 0.40 to 1.20% C, 5 to 12% Si, 19 to 42% Mn, and the balance of Fe, with Si 2.gtoreq.11.89-2.92 C-0.077 Mn (Equation (1)) satisfied.

REFERENCES:
patent: 3843867 (1974-10-01), Helton et al.
patent: 4510374 (1985-04-01), Kobayashi et al.
patent: 5099103 (1992-03-01), Yamada et al.
patent: 5219425 (1993-06-01), Nishikawa et al.
patent: 5903814 (1999-05-01), Miura et al.

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