This specification covers an aluminum alloy in the form of bars, rods, and wire 8.000 inches (203.20 mm) and under in nominal diameter and for squares, hexagons, octagons, and rectangles 50 in² (322 cm²) and under in cross-sectional area and 8.000 inches (203.20 mm) and under in least distance between parallel sides (see 8.7).