Bolts and Screws, Steel, UNS S66286 Classification: 130 ksi/1200 °F 1800 °F Solution Heat Treated, Aged After Roll Threaded Procurement Specification For

Standard:
Reaffirmed:
  • 2006-05-10
 
  • HISTORICAL Access the latest revision: AS7478D
Publisher:
  • SAE International
Pages:
24
Scope:

This procurement specification covers bolts and screws made from a corrosion and heat resistant age hardenable iron base alloy of the type identified under the Unified Numbering System as UNS S66286.

The following specification designations and their properties are covered: AS7478: 130 ksi minimum ultimate tensile strength at room temperature 65 ksi stress-rupture strength at 1200 degrees F; AS7478-2 130 ksi minimum ultimate tensile strength at room temperature 78 ksi minimum ultimate shear strength at room temperature.

Classification: 130 ksi minimum tensile strength at room temperature 1200 degrees F maximum test temperature of parts.

Primarily for aerospace propulsion system applications where stress-rupture strength and creep resistance are required at elevated temperature.

History:
Standard Published Revision Status
AS7478D 2017-03-28 Latest Revised
2016-05-06 Historical Revised
2006-05-10 Historical Reaffirmed
1995-06-01 Historical Revised
1991-07-01 Historical Issued
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