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BS EN 755-5:2008
Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Rectangular bars, tolerances on dimensions and form (British Standard)
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded rectangular bars having thicknesses in the range from 2 mm up to 240 mm and widths in the range from 10 mm up to 600 mm. The temper designations used in this part are according to EN 515.
British Standards Institution [bsi]