Kennametal Stellite 1 is a cobalt-chromium-tungsten-carbon hardfacing alloy that possesses excellent abrasion and corrosion resistance. It retains its hardness at temperatures in excess of 760 °C (1400 °F). This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as machining. Filing Code: Co-128. Producer or source: Kennametal Inc.