Section 15 Base metals and articles of base metal 72 Iron and steel 72 28 Other bars and rods; angles, shapes and sections of other alloy steel 72 28 20 Bars and rods of silico-manganese steel 72 28 20 00 Bars and rods of silico-manganese steel Commodity Code Description 72 28 20 00 00 Bars and rods of silico-manganese steel
