This standard specifies the technical conditions for inspection and delivery, mechanical properties and tolerances on dimensions and form for aluminium and aluminium alloy extruded round, coiled tubes for general applications with outside or inside diameters in the range from 5 mm up to and including 30 mm. Depending on the final application of the product, additional or stricter requirements can apply, after agreement between supplier and purchaser. NOTE Some of the products listed in the present standard can be subject to patent or patent applications, and their listing herein is not be construed in any way as the granting of a licence under such patent right. CEN/TC 132 affirms it is its policy that in the case when a patentee refuses to grant licences on standardised standard products under reasonable and not discriminatory conditions then this product shall be removed from the corresponding standard.