Patent ID: 6414269
Filing Date: 2002-07-02
Classification: B23K

Abstract:
A pit and blow hole resistant flux-cored wire for gas-shielded arc welding of a galvanized steel sheet wherein an amount of a mild steel sheath filled with flux ranges from 80 to 90% by weight of the wire, and an amount of the flux ranges from 10 to 20% by weight of the wire, silicon oxide in an amount of 1.0 to 10 wt % by weight of the wire, a component containing at least two components containing metal titanium, selected from the group consisting of metal titanium, metal magnesium and alloy mixtures thereof in an amount of 0.4 to 3 wt % by weight of the wire, one sodium fluoride and potassium fluoride in an amount of 0.1 to 1 wt % by weight of the wire, and iron powder, deoxidizer and arc stabilizer in a residual amount.