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 20 Other, containing by weight less than 0.6 % of carbon and of a thickness of 1.5 mm or 72 12 20 20 Other, containing by weight less than 0.6 % of carbon and of a thickness of 1.5 mm or Commodity Code Description 72 12 20 20 00 Other, containing by weight less than 0.6 % of carbon and of a thickness of 1.5 mm or