Section 15 Base metals and articles of base metal 72 Iron and steel 72 16 Angles, shapes and sections of iron or non-alloy steel 72 16 21 Containing by weight less than 0.6 % of carbon 72 16 21 10 Containing by weight less than 0.6 % of carbon Commodity Code Description 72 16 21 10 00 Containing by weight less than 0.6 % of carbon
