Section 15 Base metals and articles of base metal 72 Iron and steel 72 09 Flat-rolled products of iron or non-alloy steel, of a width of 600 mm or more, cold-rolled (cold-reduced), not clad, plated or coated Commodity Code Description 72 09 15 - - Of a thickness of 3mm or more 72 09 16 - - Of a thickness exceeding 1 mm but less than 3 mm 72 09 17 - - Of a thickness of 0.5 mm or more but not exceeding 1 mm 72 09 18 - - Of a thickness of less than 0.5 mm 72 09 25 - - Of a thickness of 3 mm or more 72 09 26 - - Of a thickness exceeding 1 mm but less than 3 mm 72 09 27 - - Of a thickness of 0.5 mm or more but not exceeding 1 mm 72 09 28 - - Of a thickness of less than 0.5 mm 72 09 90 - - - Of a thickness of less than 3 mm