This part of EN 1592 specifies the tolerances on dimensions and form of circular HF seam welded tubes with a diameter up to and including 80 mm and a wall thickness up to and including 2,5 mm. These tubes are manufactured from flat rolled aluminium alloy strip longitudinally welded in a continuous process by the passage of an electric current across the abutting edges without the addition of filler metal. This standard also applies to tubes manufactured from aluminium alloy strip which is pre-painted, pre-lacquered or pre-anodized.
DS/EN 1592-3:1998 history
1998DS/EN 1592-3:1998 Aluminium and aluminium alloys - HF seam welded tubes - Part 3: Tolerances on dimensions and form for circular tubes