High Strength Ni-Cr-Mo-W-Nb-Ti Welding Product and Method of Welding and Weld Deposit Using the Same

A welding filler metal product comprising, in weight percent:

• 17.0 to 23.0% chromium, 5.0 to 12.0% molybdenum, 3.0 to 11.0% tungsten, 3.0 to 5.0% niobium, 0 to 2.0% tantalum, 1.2 to 3.0% titanium, 0.005 to 1.50% aluminum, 0.0005 to 0.100% carbon, less than 2.0% iron, less than 5.0% cobalt, and balance nickel wherein the nickel is 56.0 to 65.0%, and
• wherein a weld deposit formed from the welding filler metal product has a minimum yield strength in the as-welded condition of at least 72 ksi (496 MPa).

A weld deposit comprising, in weight percent:

• 17.0 to 23.0% chromium, 5.0 to 12.0% molybdenum, 3.0 to 11.0% tungsten, 3.0 to 5.0% niobium, 0 to 2.0% tantalum, 1.2 to 3.0% titanium, 0.005 to 1.50% aluminum, 0.0005 to 0.100% carbon, less than 8.0% iron, less than 5.0% cobalt, and balance nickel wherein the nickel is 56.0 to 65.0% nickel, and
• wherein a weld deposit has a minimum yield strength in the as-welded condition of at least 72 ksi (496 MPa).

A weldment comprising:

• at least two high-strength steel components having a minimum yield strength of 65 ksi (448 MPa) connected by a weld deposit comprising, in weight percent, 56.0 to 65.0% nickel, 17.0 to 23.0% chromium, 5.0 to 12.0% molybdenum, 3.0 to 11.0% tungsten, 3.0 to 5.0% niobium, 0 to 2.0% tantalum, 1.2 to 3.0% titanium, 0.005 to 1.50% aluminum, 0.0005 to 0.100% carbon, less than 8.0% iron, and less than 5.0% cobalt and having a minimum yield strength in the as-welded condition of at least 72 ksi (496 MPa).