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SAE AS 7470D-2019
Bolts and Screws, Steel, Corrosion and Moderate Heat Resistant, Heat Treated, Roll Threaded
This procurement specification covers aircraft quality bolts and screws made from a corrosion and moderate heat-resistant martensitic iron base alloy of the type identified under the Unified Numbering System as UNS S41800 and of 140000 psi and 152000 psi tensile strengths at room temperature.
Society of Automotive Engineers [sae]