EN 754-7This description is for standard: EN 754-7This document specifies the tolerances on dimensions and form for aluminium and aluminium alloys cold drawn seamless tubes with an outside diameter (O
EN 754-8This description is for standard: EN 754-8This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy cold drawn porthole tubes with an outside diameter (OD
EN 755-7This description is for standard: EN 755-7This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded seamless tubes with an outside diameter (OD)
EN 755-8This description is for standard: EN 755-8This document specifies the tolerances on dimensions and form for aluminium and aluminium alloy extruded porthole tubes with an outside diameter (OD)