... diameter:15-450mm wall thcikness:2-25mm 7003 aluminium pipesouter diameter from 15mm to 450mmwall thickness from ... by cold drawing a true seamless extruded tube made from hollow extrusion ingot (cast in hollow form, ... and mandrel extrusion method. Covers alloys 1060, 3003, Alclad 3003, 5052, 5054, and 6061 in two tempers.ASTM-B-235Aluminum Alloy Extruded ... 8150,8079,8090,8A01,8A06, 7003 aluminium pipes