Section 15 BASE METALS AND ARTICLES OF BASE METAL 73 Articles of iron or steel 73 01 Sheet piling of iron or steel, whether or not drilled, punched or made from asse 73 01 10 73 01 10 00 Commodity Code Description 73 01 10 00 00 - Sheet piling 73 01 20 00 00 - Angles, shapes and sections