Patent ID: 6140607
Filing Date: 2000-10-31
Classification: B23K

Abstract:
A gas shielded arc-welding flux cored wire having a steel sheath filled with flux, comprising by weight % based on the total weight of 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 ; and0.01 to 0.3% fluoride (F-converted value), whereinsaid powder comprises, by weight %, 0.40 to 1.20% C, 5 to 12% Si, 19 to 42% Mn, and the balance Fe, with the proviso that the equation Si.gtoreq.11.89-2.92 C-0.077 Mn (Equation (1)) is satisfied.