Section 15 Base metals and articles of base metal 72 Iron and steel 72 12 Rolled iron or non-alloy steel, <600mm wide, clad, plated or coated 72 12 30 Otherwise plated or coated with zinc 72 12 30 00 Otherwise plated or coated with zinc Commodity Code Description 72 12 30 00 000 Otherwise plated or coated with zinc