Bolts and Screws, Steel UNS K14675 Tensile Strength 195 ksi Fatigue and Stress-Rupture Rated Procurement Specification

Standard:
Reaffirmed:
  • 2006-05-08
 
  • HISTORICAL Access the latest revision: AS7459C
Publisher:
  • SAE International
Pages:
26
Scope:

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 properaties 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.

Primarily for aerospace propulsion system applications where high strength at temperatures up to approximately 900 degrees F is required and the part is protected against corrosion.

History:
Standard Published Revision Status
AS7459C 2015-08-14 Latest Stabilized
2009-11-30 Historical Revised
2006-05-08 Historical Reaffirmed
1991-02-19 Historical Issued
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