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SAE AS 7474D-2018
Bolts and Screws, Steel, Corrosion Resistant, UNS S17400, Tensile Strength 140 ksi, Procurement Specification
This specification covers bolts and screws made from a corrosion and heat resistant, martensitic iron base alloy of the type identified under the Unified Numbering System as UNS S17400. The following specification designations and their properties are covered: AS7474: 140 ksi minimum ultimate tensile strength at room temperature, 100 ksi stress corrosion test, 72 ksi to 7.2 ksi tension-tension fatigue AS7474-1: 140 ksi minimum ultimate tensile strength at room temperature, 100 ksi stress corrosion test, 88 ksi minimum ultimate shear strength at room temperature
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Society of Automotive Engineers [sae]
Society of Automotive Engineers [sae]