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DIN EN 755-7:2016
Aluminium and aluminium alloys - Extruded rod/bar, tube and profiles - Part 7: Seamless tubes, tolerances on dimensions and form; German version EN 755-7:2016
This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded seamless tubes with an outside diameter from 8 mm to 450 mm or with a cross section contained within a circumscribing circle from 10 mm to 350 mm. This standard only applies to tube for general engineering applications only produced by the seamless die/mandrel method of Extrusion.
Deutsches Institut für Normung [din]