Section 15 Base metals and articles of base metal 72 Iron and steel 72 08 Hot-rolled iron or non-alloy steel, >=600mm wide 72 08 90 Flat/hot-rolled iron/steel, width >=600mm nes (incl.further worked than hot-roll Commodity Code Description 72 08 90 00 Flat/hot-rolled iron/steel, width >=600mm nes (incl.further worked than hot-roll 72 08 90 10 Corrugated 72 08 90 20 Other, containing by weight less than 0.6 % of carbon and of a thickness of 0.17 mm o 72 08 90 90 Other