Colmonoy No.75 is a hard surfacing alloy with tungsten carbide particles dispersed in a matrix of a nickel-base alloy containing chromium borides. It is supplied as a powder for application with Wall Colmonoy’s SPRAYWELD. This datasheet provides information on composition, physical properties, microstructure, and hardness. It also includes information on machining and powder metal forms. Filing Code: Ni-500. Producer or source: Wall Colmonoy Corporation.