This procurement specification covers aircraft quality studs made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675.
AS7458 - 135 000 psi ultimate tensile strength at room temperature.
AS7458-1 - 135 000 psi ultimate tensile strength at room temperature, nickel-cadmium plated.
SAE AS7458B History
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