composition base mmetal 1--------base metal 2
-------------------- NICKEL STEEL%------NICKEL - CHROMIUM STEEL%
Carbon---------------0.67---------------------- 0.80
Silicon----------------0.20-----------------------0.33
Manganese-----------0.20- ---------------------0.38
NÃckel----------------0.20-----------------------0.50
Chromium ------------0.05-----------------------0.10
Vanadium------------0.02-----------------------0.02
( There are only 2 kinds of bands saw here in Peru)
thanks for the help.
maybe there are some mistakes in the writting but I hope you understand that English is not my native language

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