title: Wrought aluminium and aluminium alloys — Extruded rods/bars, tubes and profiles — Part 6: Round, square, rectangular and hexagonal tubes — Tolerances on shape and dimensions
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