標準號：SAE AS 7474C-2011
中文標準名稱：抗腐蝕鋼制成的抗卡強度為140 ksi的螺母和螺釘的采購規范(UNS S17400)
英文標準名稱：Bolts and Screws, Steel Corrosion Resistant, UNS S17400 Tensile Strength 140 ksi Procurement Specification
標準類型：V20
發布日期：2011/10/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：V20
國際標準分類號：49.030.20
引用標準：ASME B46.1-2009;ASTM D 3951-2010;ASTM E 8-2004;ASTM E 140-2007;ASTM E 1417-2005;SAE AMS 2700-2000;SAE AMS 2759/3;SAE AMS 5643;SAE AS 1132;SAE AS 3062;SAE AS 3063;SAE AS 8879-1996;NASM 1312-8-2011;NASM 1312-6;NASM 1312-9;NASM 1312-11;NASM 1312-12;NASM 1312
適用范圍：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 °F.