SAE AS 7474B-1995 抗拉强度为140Ksi的耐腐蚀钢UNS S17400螺栓和螺钉的采购规范被谁引用

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适用范围: 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. Primarily for aerospace propulsion system applications where corrosion resistance and high strength in tension is required in temperatures not to exceed 600 degrees F.

SAE AS 7474B-1995抗拉强度为140Ksi的耐腐蚀钢UNS S17400螺栓和螺钉的采购规范