Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 4: Square bars, tolerances on dimensions and form
铝和铝合金 - 挤压棒/棒 管和型材 - 第4部分:方棒 尺寸和形状公差
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded square bars having widths across flats from 10 mm up to 220 mm.
The temper designations used in this part are according to EN 515.