Defines tolerances on dimensions and form for aluminium and aluminium alloy cold drawn seamless tubes
with an outside diameter between 3mm and 350 mm, or a cross section contained within a circumscribing
circle between 8 mm and 300 mm supplied in straignt lengths. Applicable only to tube made by the
seamless die/mandrel extrusion method, (and then cold drawn to the final required dimensions). Not
applicable to extruded, cold drawn tube made by the porthole/bridge method, or to coiled tube.