This procurement specification covers bolts and screws made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675, having UNJ profile threads. The following specification designations and their properties are covered:
AS7459 195 ksi minimum ultimate tensile strength at room temperature; 145 ksi minimum ultimate tensile strength at 900 degrees F; 105 ksi stress rupture strength at 900 degrees F for 100 hours; 100 ksi tension to 10 ksi tension fatigue at room temperature; Protective treatment to be specificed on part drawing;
AS7459-1 AS7459 part plated per AMS 2416, nickel-cadmium diffused plating;
AS7495-2 195 ksi minimum ultimate tensile strength at room temperature; 117 ksi minimum ultimate shear strength at room temperature Protective treatment to be specified on part drawing;
AS7495-3 AS7495-2 part plated per AMS 2416, nickel-cadmium diffused plating.
This document has been determined to contain basic and stable technology which is not dynamic in nature.