Section 15 Base metals and articles of base metal 72 Iron and steel 72 11 Rolled iron or non-alloy steel, <600mm wide, not clad, plated or coated 72 11 14 Other, of a thickness of 4.75mm or more 72 11 14 00 Other, of a thickness of 4.75mm or more Commodity Code Description 72 11 14 00 000 Other, of a thickness of 4.75mm or more