constantan wire/CuNi44 is better resistance to corrosion, better malleability,better solderability. Constantan wire/CuNi44 Alloy Wire/sheet/ribbbon/flat wire/stripconstantan resistance alloy wire Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi23, CuNi30 ...