Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 07 Tube or pipe fittings of iron or steel 73 07 99 Tube or pipe fittings of iron or steel (excl. stainless), nes 73 07 99 00 Tube or pipe fittings of iron or steel (excl. stainless), nes Commodity Code Description 73 07 99 00 00 Tube or pipe fittings of iron or steel (excl. stainless), nes
