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 U sections of iron/steel, hot-rolled..., >=80mm high 72 16 31 00 U sections of iron/steel, hot-rolled..., >=80mm high Commodity Code Description 72 16 31 00 00 U sections of iron/steel, hot-rolled..., >=80mm high