HOTFORM No. 1 is a 5% chromium hot work steel containing molybdenum, tungsten and vanadium. It has maximum toughness at high strength levels. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fracture toughness, and deformation. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: TS-60. Producer or source: Vanadium Alloys Steel Corporation.