本采购规范涵盖了螺栓、螺钉和螺柱，这些螺栓、螺钉和螺柱由统一编号系统（UNS N07718）下确定的类型的强化耐腐蚀、耐热、时效硬化镍基合金制成。包括以下特性:室温下220 ksi的最小极限抗拉强度180 ksi的最小极限抗拉强度900°F114 ksi拉伸至室温下11.4 ksi的拉伸疲劳

This procurement specification covers bolts, screws, and studs made from a work-strengthened corrosion and heat resistant, age hardenable nickel base alloy of the type identified under the Unified Numbering System as UNS N07718. The following properties are covered:220 ksi minimum ultimate tensile strength at room temperature180 ksi minimum ultimate tensile strength at 900 ¿¿F114 ksi tension to 11.4 ksi tension fatigue at room temperature