PYROTOOL 15 is a low-carbon martensitic precipitation-hardenable (maraging) heat-resistant steel designed to possess high strength from room temperature to 1050 F. Uses include tooling applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-271. Producer or source: Carpenter.