Section 15 Base metals and articles of base metal 72 Iron and steel 72 11 Flat-rolled products of iron or non-alloy steel, of a width of less than 600 mm, not clad, plated or coated. 72 11 23 Containing by weight less than 0.25% of carbon Commodity Code Description 72 11 23 00 Containing by weight less than 0.25% of carbon