... -221,ect out diameter:15-450mm wall thcikness:2-25mm 7003 aluminium pipesouter diameter from 15mm to 450mmwall thickness from 2mm ... ,6181,6082,6A01,6A02,6B02,6R05,6A10,6A51,6A60 7001,7003,7004,7005,7020,7021,7022,7039,7049,7050,7150,7055 ... ,8006,8011,8014,8021,8050,8150,8079,8090,8A01,8A06, 7003 aluminium pipes