Carpenter Micro-Melt A11 is a tool steel with a high vanadium content. It is made by the Micro-Melt powder metallurgy process. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and bend strength as well as fracture toughness. It also includes information on high temperature performance and wear resistance as well as heat treating and machining. Filing Code: TS-587. Producer or source: Carpenter. Revision of Alloy Digest TS-571, January 2000.