Carpenter Micro-Melt A11 is an A11 steel developed by the powder metal process. The tool steel possesses advantages in quenching, response to heat treatment, wear resistance, and toughness. Applications to be considered are punches and dies for blanking and piercing. See revised version, Alloy Digest TS-587, May 2001. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on wear resistance as well as heat treating and machining. Filing Code: TS-571. Producer or source: Carpenter.