Carpenter 440-XH is an air-hardening corrosion-resistant chromium stainless steel with the high hardness of a D2 tool steel. Applications include cutlery and various dies for forming, drawing, and extruding. This datasheet provides information on composition, physical properties, hardness, tensile properties, and compressive strength. It also includes information on corrosion resistance as well as heat treating and machining. Filing Code: SS-750. Producer or source: Carpenter Technology Corporation. Originally published July 1999, corrected May 2002.