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 11 Of nickle, not alloyed 75 07 11 00 Of nickle, not alloyed Commodity Code Description 75 07 11 00 000 Of nickle, not alloyed