Section 15 Base metals and articles of base metal 78 Lead and articles thereof 78 06 Other articles of lead 78 06 00 - - - Lead tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves) 78 06 00 20 - - - Lead tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves) Commodity Code Description 78 06 00 20 000 - - - Lead tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleev