Material: CuNi1, CuNi2, CuNi6, CuNi8, CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi44. Wire/Rod/Bar diameter: 0.02mm-30mm St Nickel Copper Alloy. ... These alloys contain Nickel with Copper and small amounts of Iron and Manganese. ... gas, Welding industries, Marine components, Aircraft rivets, Spectacle frames Nickel Copper Alloy/CuNi44Mn1/CuNi45/CuNi44