Colmonoy No. 63HV is a nickel-base alloy recommended for hard surfacing parts to resist wear, corrosion, heat, and galling. The hardness of Colmonoy 63HV ranges to 58–61 HRC, and it is resistant to abrasion. Colmonoy 63HV is sized exclusively for high-velocity oxygen-fuel thermal spray systems. This datasheet provides information on composition. It also includes information on heat treating, surface treatment, and powder metal forms. Filing Code: Ni-665. Producer or source: Wall Colmonoy Corporation.