Bolts and Screws, Steel, Uns S66286 Tensile Strength 130 Ksi, Procurement Specification

Standard:
Revised:
  • 2011-10-11
 
  • HISTORICAL Access the latest revision: AS7477G
Publisher:
  • SAE International
Pages:
20
Scope:

This document covers bolts and screws made from a corrosion and heat resistant, precipitation 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: AS7477: 130 ksi minimum ultimate tensile strength at room temperature 70 ksi stress-rupture strength at 1200 °F; and AS7477-1: Inactive for Design; AS7477-2: 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 °F maximum test temperature of parts.

Primarily for aerospace propulsion system applications where a good combination of fatigue resistance, tensile strength, shear strength, and resistance to relaxation at elevated temperatures is required.

Rationale:

Paragraph 3.3.4 changed to ensure correct interpretation is assured, change to correct call up NASM 1312 tests.

History:
Standard Published Revision Status
AS7477G 2017-09-05 Latest Revised
2016-04-10 Historical Revised
2011-10-11 Historical Revised
2004-07-27 Historical Reaffirmed
1998-11-01 Historical Revised
1995-11-01 Historical Revised
1995-09-01 Historical Revised
1990-12-05 Historical Issued
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