Product Code:SAE AS7455
Title:Bolts and Screws, Steel, Low Alloy, Heat Resistant Hardened and Tempered, Roll Threaded
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope: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.Product Code:SAE J228
Title:Airflow Reference Standards
Issuing Committee:Engine Power Test Code
Scope:The purpose of this SAE Recommended Practice is to establish reference standards for airflow measurements in the ranges required for testing automotive engine induction systems and to describe equipment that will facilitate the use of such standards to check the accuracy of various equipment and methods.