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SAE AS7477

Revision F, April 1, 2016

Complete Document

Bolts and Screws, Steel, UNS S66286 Tensile Strength 130 ksi, Procurement Specification

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Product Details:

  • Revision: Revision F, April 1, 2016
  • Published Date: April 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 21
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

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.

Type 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 1,200 °F

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


130 ksi minimum tensile strength at room temperature

1,200 °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.

Safety - Hazardous Materials

While the materials, methods, applications, and processes described or referenced in this specification may involve the use of hazardous materials, this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take necessary precautionary measures to ensure the health and safety of all personnel involved.

AIA/NAS Aerospace Standards