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 90 Of a kind used for concrete reinforcement (rebars) 72 15 90 10 Of a kind used for concrete reinforcement (rebars) Commodity Code Description 72 15 90 10 00 Of a kind used for concrete reinforcement (rebars)