Böhler (or Boehler) W360 Isobloc is a hot work tool steel developed as a tool steel for dies and punches in warm and hot forging. The steel can be used for a variety of applications where hardness and toughness are required. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on forming and heat treating. Filing Code: TS-727. Producer or source: Böhler Edelstahl GmbH & Company KG.