DS EN 2258:1997 Aerospace Series - Circular Tubes For Fluids In Aluminium And Aluminium Alloys - Diameter 3,2 Mm <= D <= 100 Mm - Thickness 0,6 Mm <= A <= 2,5 Mm - Dimensions Defines dimensions and tolerances of circular tubes for fluids in aluminium and aluminium alloys, having a diameter of 3,2 mm <= D <= 100 mm, and thickness 0,6 mm <= a <= 2,5 mm, for aerospace applica