Patent ID: 7165325

Claim:
A method of repairing a gas turbine blade or a nozzle, which comprises welding a welding wire having a composition having gamma prime phase and precipitated chromium carbides comprising 18 to 25% by weight of Co, 15 to 20% by weight of Cr, 1.5 to 5.5% by weight of Al, 5 to 14% by weight of W, 0.05 to 0.15% by weight of C, 0 to 0.02% by weight of B, 0 to 1% by weight of at least one member of Ta, Nb, , Mo, Re and Fe, 0 to 0.5% by weight of Ti, 0 to 0.5% by weight of at least one member of V, Zr, rare earth elements and Y, 0 to 1% by weight of Mn, 0 to 0.5% by weight of Si, and the balance being Ni to the tip of the blade or nozzle, and shaping the welded portion in a desired form.