Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 05 Other circular tubes and pipes, diameter >406.4mm, of iron or steel 73 05 12 Iron/steel line pipe, longitudinally welded, nes,circular x-section, >406.4mm ex 73 05 12 00 Iron/steel line pipe, longitudinally welded, nes,circular x-section, >406.4mm ex Commodity Code Description 73 05 12 00 00 Iron/steel line pipe, longitudinally welded, nes,circular x-section, >406.4mm ex
