Micro-Melt T15 Plus alloy is a high-speed powder metal tool steel. It may be considered for many types of tooling applications where either conventional or powder metal high-speed steels of either the M or T types are being used. This datasheet provides information on composition, physical properties, and hardness. It also includes information on wear resistance as well as forming, heat treating, and powder metal forms. Filing Code: TS-620. Producer or source: Carpenter Specialty Alloys.