Historical
BS EN 12449:1999
Copper and copper alloys. Seamless, round tubes for general purposes (British Standard)
This European standard specifies the composition, property requirements and tolerances on dimensions and form for seamless round drawn copper and copper alloy tubes for general purposes supplied in the size range from 3 mm up to and including 450 mm outside diameter and from 0,3 mm up to and including 20 mm wall thickness. The sampling procedures and the methods of test for verification of conformity to the requirements of this standard are also specified.
British Standards Institution [bsi]