Section 15 Base metals and articles of base metal 72 Iron and steel 72 12 Flat-rolled products of iron or non-alloy steel, of a width of less than 600 mm, clad, plated or coated. 72 12 20 Electrolytically plated or coated with zinc Commodity Code Description 72 12 20 00 Electrolytically plated or coated with zinc