Vascojet 1000-5 Temper is an ultra high-strength steel designed for applications requiring between 300,000 and 325,000 psi ultimate tensile strength, and 260,000-270,000 psi yield strength, with good fatigue and impact properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and fatigue. It also includes information on low and high temperature performance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SA-109. Producer or source: Vanadium-Alloys Steel Company.