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BS EN 755-3:2008
Aluminium and aluminium alloys. Extruded rod/bar, tube and profiles. Round bars, tolerances on dimensions and form (British Standard)
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded round bars having diameters in the range from 8 mm up to 320 mm. The temper designations used in this part are according to EN 515.
British Standards Institution [bsi]