LSS H13 HC is a hot work tool steel that is a high-carbon modification of LSS H13 (Alloy Digest TS-708, October 2012). This version has improved 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-715. Producer or source: Latrobe Specialty Steel Company.