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DIN EN 755-9:2016
Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 9: Profiles, tolerances on dimensions and form; German version EN 755-9:2016
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded profile with a cross section contained within a circumscribing circle not greater than 800 mm (see Figure 1). The temper designations used in this part are according to EN 515. This standard applies to extruded profiles for general engineering applications only.
Deutsches Institut für Normung [din]