Lescowear is a medium-chromium-containing air-hardening cold-work tool steel. It is a versatile alloy with a combination of toughness and wear resistance. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on wear resistance as well as forming, heat treating, and machining. Filing Code: TS-623. Producer or source: Timken Latrobe Steel.