Historical
DIN EN 755-3:1995
Aluminium and aluminium alloy extruded rod/bar, tube and profiles - Round bars: tolerances on dimensions and form (FOREIGN STANDARD)
The document specifies the dimension and form tolerances for wrought aluminium and aluminium alloy extruded round bars having diameters in the range from 8 mm up to and including 320 mm.
Deutsches Institut für Normung [din]