Section 15 Base metals and articles of base metal 75 Nickel and articles thereof 75 07 Nickel tubes, pipes and tube or pipe fittings(for eg,couplings,elbows,sleeves). 75 07 20 Tube or pipe fittings 75 07 20 00 Tube or pipe fittings Commodity Code Description 75 07 20 00 000 Tube or pipe fittings
