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 - Other, not further worked than cold-formed or cold- finished 72 15 50 00 - Other, not further worked than cold-formed or cold- finished Commodity Code Description 72 15 50 00 000 - Other, not further worked than cold-formed or cold- finished