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 31 Containing by weight 0.6 % or more of carbon 72 16 31 10 Containing by weight 0.6 % or more of carbon Commodity Code Description 72 16 31 10 00 Containing by weight 0.6 % or more of carbon
