SAE Standards Works
E-25 General Standards for Aerospace and Propulsion Systems
AS7455A - Bolts and Screws, Steel, Low Alloy, Heat Resistant Hardened and Tempered, Roll Threaded
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Bolts and Screws, Steel, Low Alloy, Heat Resistant Hardened and Tempered, Roll Threaded
This procurement specification covers aircraft quality bolts and screws made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675. The following specification designations and their properities are covered. AS7455 140 000 to 195 000 psi ultimate tensile strength at room temperture. AS7455-1 140 000 to 195 000 psi ultimate tensile strength at room temperture, nickel-cadmium plated. Primarily for aerospace propulsion system applications where high strength at temperatures up to approximately 900 °F is required and the part is protected against corrosion.
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