NBN EN 12452:1999

This European Standard specifies the composition, property requirements and tolerances on dimensions and form for rolled, finned, seamless copper and copper alloy tubes for heat exchangers supplied in the size range from 6 mm up to and including 35 mm outside diameter and from 1 mm up to and including 3 mm wall thickness of the unfinned section with fin height up to and including 1,5 mm. The sampling procedures and the methods of test for verification of conformity to the requirements of this standard are also specified.