THERMOLD H22 is a tungsten-type hot work steel possessing high heat resistance and a high degree of working hardness at elevated temperatures. It is recommended where hardness and abrasion resistance are more important than toughness. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: TS-170. Producer or source: Cyclops Corporation.