Bolts and Screws, Nickel Alloy UNS N07718, Classification: 185 ksi/1200 °F, Procurement Specification

Standard:
Issued:
  • 1995-02-01
 
  • HISTORICAL Access the latest revision: AS4877G
Publisher:
  • SAE International
Pages:
25
Scope:

This procurement specification covers bolts and screws made from a corrosion and heat resistant, age hardenable nickel base alloy of the type identified under the Unified Numbering System as UNS N07718. Classification: a. tensile strength at room temperature 185 ksi minimum, b. maximum test temperature of parts 1200 degrees F, c. tensile strength at 1200 degrees F 145 ksi minimum, and d. stress rupture: 100 ksi stress rupture strength at 1200 degrees F.

Primarily for use in aerospace propulsion systems as follows: a. for use up to approximately 1200 degrees F where elevated temperature tensile strength, stress-rupture strength, and resistance to relaxation are required, and b. for use up to approximately 800 degrees F where fatigue resistance and tensile strength are required.

History:
Standard Published Revision Status
AS4877G 2017-10-18 Latest Revised
2017-01-04 Historical Revised
2015-12-19 Historical Revised
2015-01-09 Historical Revised
2012-03-10 Historical Revised
2004-11-08 Historical Revised
2004-02-05 Historical Reaffirmed
1995-02-01 Historical Issued
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