VascoMax 300 CVM is an 18% nickel alloy steel having superior toughness and ductility at yield strength levels up to 300,000 psi. It is recommended for high strength applications in the temperature range -320 F to 900 F. It is a martensitic steel strengthened by precipitation and an ordering reaction. 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, and joining. Filing Code: SA-135. Producer or source: Vanadium-Alloys Steel Company.