This specification covers an aluminum alloy procured in the form of extruded bars, rods, and profiles (shapes) with nominal thickness up to 3.000 inch (76.20 mm), inclusive, and having a cross-sectional area of 26.3 square inches (170 cm2) maximum and circle size of 15.3 inches (389 mm) maximum (see 8.7).
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SAE AS7241A
Washers, Spring Lock, Corrosion-Resistant Steel, 18Cr - 9Ni (UNS S30200), Procurement Specification for
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