Section 15 Base metals and articles of base metal 72 Iron and steel 72 15 Other bars and rods of iron or non-alloy steel 72 15 50 Bars and rods of iron/steel, not further worked than cold-formed or cold-finishe Commodity Code Description 72 15 50 00 Bars and rods of iron/steel, not further worked than cold-formed or cold-finishe 72 15 50 10 Containing by weight 0.6 % or more of carbon, other than of circular cross-section 72 15 50 90 Other 72 15 50 91 Of a kind used for concrete reinforcement (rebars) 72 15 50 99 Other