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SAE AS7470D

Действует
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.