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 Commodity Code Description 72 28 20 00 Bars and rods of silico-manganese steel 72 28 20 11 Not further worked than hot-rolled, hot-drawn or extruded 72 28 20 19 Other 72 28 20 91 Not further worked than hot-rolled, hot-drawn or extruded 72 28 20 99 Other
