Böhler (or Boehler) S705 is cobalt alloyed, tungsten-molybdenum high-speed steel possessing high hardness, excellent cutting properties, high red hardness, and good toughness. See also Alloy Digest TS-776, September 2019. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on forming and heat treating. Filing Code: TS-761. Producer or source: Voestalpine High Performance Metals Corporation.