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 61 - - - Angles, of non-alloy steel 72 16 61 10 - - - Angles, of non-alloy steel Commodity Code Description 72 16 61 10 000 - - - Angles, of non-alloy steel