This procurement specification covers bolts made from a corrosion and heat resistant, work-strengthened, cobalt-chromium-nickel alloy of the type identified under the Unified Numbering System as UNS R30159.The following specification designations and their properties are covered: SAE AS 7475 260 ksi minimum ultimate tensile strength at room temperature; 205 ksi minimum ultimate tensile strength at 1100 mDF; 140 ksi stress-rupture strength at 1100 mDF; 135 ksi tension to 13.5 ksi tension fatigue at room temperature; SAE AS 7475-1 260 ksi minimum ultimate tensile strength at room temperature; 132 ksi minimum ultimate shear strength at room temperature.
