CuNi 44( constantan)--- Copper 55%, nickel 45%. Thickness: 0.1mm to 3mm Width: 0.5mm to 100mm Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14 ... , rod, bar and plate. Heating Resistance Alloy, Nickel Chromium Alloy, Nickel Iron Alloy, Nickel Copper Alloy, Iron Chrome Alumium Alloy, Kovar, Invar, Nichrome ... Bar, Alloy Plate, Heating elementsFine Wire, Tankii Produce. CuNi23/Copper nickel alloy/Copper alloy