title: Wrought aluminium and aluminium alloys — Extruded rods/bars, tubes and profiles — Part 6: Tolerances on form and dimensions for round, square, rectangular and hexagonal tubes
title: Aluminium et alliages d'aluminium corroyés — Barres, tubes et profilés filés — Partie 6: Tubes ronds, carrés, rectangulaires et hexagonaux — Tolérances sur forme et dimensions