Bolts, Cobalt-Chromium-Nickel Alloy, UNS R30159, Tensile Strength 260 ksi, Procurement Specification
- Aerospace Standard
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 °F; 140 ksi stress-rupture strength at 1100 °F; 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.
Data Sets - Support Documents
The SAE E-25 General Standards for Aerospace & Propulsion Systems committee addresses aerospace propulsion systems and components. These systems and components include bolts, screws, nuts, washers, studs, rivets, pins, covers, O-rings, brackets, plugs and associated procurement requirements, as well as solid film lubricants and design specifications for screw threads and fastener assembly requirements.