75021000

NICKEL,NOT ALLOYED

75022010

CUPRONICKL CONTNG ABOV 40% BY WT OF NICKL

75022020

MONEL METAL INCLUDING 'K' MONEL

75022030

NICKEL ALOYS CONTNG NICKEL>40% BY WT,NES

75022040

NICKEL ALLOYS CONTAINING ABOV 10% BUT NOT ABOVE 40% BY WT OF NICKEL,N.E.S.

75022090

OTHER NICKEL ALLOYS