Patent ID: 8603389
Filing Date: 2013-12-10
Classification: B23K,C22C

Abstract:
1. A welding electrode comprising: (i) a core comprising in % by weight: 27-31 Cr, 6-11 Fe, 0.01-0.04 C, 1.5-4 Mn, 1-3 Nb, up to 3 Ta, 1-3 (Nb+Ta), 0.01-0.50 Ti, 0.0003-0.02 Zr, 0.0005-0.004 B, <0.50 Si, 0.50 max Al, <0.50 Cu, <1.0 W, <1.0 Mo, <0.12 Co, <0.015 S, <0.015 P, 0.01 max Mg, balance Ni, and (ii) a flux covering comprising nickel magnesium, nickel zirconium, or both, wherein an undiluted weld metal deposit produced using said welding alloy comprises in % by weight 0.0003-0.02 Zr, 0.0005-0.004 B and 0.004-0.01 Mg.