Section 15 BASE METALS AND ARTICLES OF BASE METAL 76 ALUMINIUM AND ARTICLES THEREOF 76 05 ALUMINIUM WIRE. 76 05 21 WIRE OF ALUMINIUM ALLOYS,MAXIMUM CROSS-SECTIONAL DIMENSIONN > 7MM Commodity Code Description 76 05 21 00 WIRE OF ALUMINIUM ALLOYS,MAXIMUM CROSS-SECTIONAL DIMENSIONN > 7MM