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 Flat-rolled iron or non-alloy steel, width <600mm, electro-plated or coated with Commodity Code Description 72 12 20 00 Flat-rolled iron or non-alloy steel, width <600mm, electro-plated or coated with 72 12 20 10 Hoop and strip, of a width not exceeding 400 mm 72 12 20 20 Other, containing by weight less than 0.6 % of carbon and of a thickness of 1.5 mm or 72 12 20 90 Other