Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 12 Stranded wire, cables... of iron or steel, not electically insulated 73 12 10 Stranded wire, cables of iron or steel, not electically insulated Commodity Code Description 73 12 10 00 Stranded wire, cables of iron or steel, not electically insulated 73 12 10 10 Locked coils, flattened strands and non-rotating wire ropes 73 12 10 20 Plated or coated with brass and of a diameter not exceeding 3 mm 73 12 10 30 Plated or coated with aluminium 73 12 10 91 Stranded steel wires for prestressing concrete 73 12 10 99 Other