CuNi 44( constantan)--- Copper 55%, nickel 45%. Diameter: from 0.08mm to 6mm ... Alloy, Kovar, Invar, Nichrome, Soft Expension Alloy, Tankii Alloy, Alloy Wire, Alloy Rod, Alloy Sheet, Alloy Strip, Alloy Ribbon, Alloy Flat Wire, Alloy Bar, Alloy Plate, Heating elementsFine Wire, Tankii Produce. CuNi44/Copper Nickel alloy wire ...