PremoMet offers superior strength, toughness and fatigue resistance and may be considered as a lower-cost alternative to many cobalt containing steel alloys. Consider PremoMet alloy for high-demand power train components in heavy-duty diesel engines and other commercial ground transportation including locomotive. This datasheet provides information on composition, hardness, tensile properties, and shear strength as well as fracture toughness and fatigue. It also includes information on corrosion resistance as well as forming and heat treating. Filing Code: SA-617. Producer or source: Carpenter Specialty Alloys.