... -1-1 C70600 Cu90Ni10,UNS C70600 (Cu90Ni10) sheet,bar, pipe , flange OD 5-140mm *wall thickness 0.8-12MM ... alkaline, etc. Copper orCopperAlloyUNS No.PreviouslyUsedDesignationDescription C10100OFEOxygen-free electronicC10200OFAOxygen-free without residual deoxidantsC10300. . .Oxygen-free, extra low phosphorusC10800. . .Oxygen- ... .50.5-1.0Remain<0.78.9Sheet, bar ,pipe, flange copper nickel 90/10 C70600 ...