This European Standard specifies the requirements, sampling, test methods and conditions of delivery for seamless round copper tubes used for refrigeration and air-conditioning piping systems (i.e. piping, connections, repairs).

It is applicable to tubes with an outside diameter from 3 mm up to and including 133 mm.

These tubes are supplied in straight lengths in the material conditions hard or half-hard, or in coils in the annealed material condition.