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SAE AS7471 Revision G, March 1, 2015
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Bolts and Screws, Nickel Alloy, UNS N07001 Tensile Strength 165 ksi, Corrosion and Heat Resistant Procurement Specification.
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AIA/NAS Aerospace Standards

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 N07001. The following specification designations and their properties are covered:

AS7471 165 ksi minimum ultimate tensile strength at room temperature.

75 ksi stress-rupture strength at 1350 °F.

AS7471-1 165 ksi minimum ultimate tensile strength at room temperature.

99 ksi minimum ultimate shear strength at room temperature.


Primarily for aerospace propulsion systems applications where a good combination of tensile strength, and resistance to relaxation at elevated temperatures up to approximately 1500 °F 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.