Cor-Met® Cor™Forge Flux Cored Gas Shielded Hard Face Alloy Nickel Tubular Welding Wire of 3/32" Dia is a nickel based chromium-molybdenum-cobalt alloy provides oxidation and stress resistance at elevated temperatures. Used for dies that are exposed to elevated temperatures for extended periods of contact. 30-35 HRc as welded 40 HRc+ workhardened. Use with shielding gas mixture of 100% Ar, or 75% Ar-25% CO2.