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. A typical alloy within this range is the 400 grade (UNS N04400). This contains nominally 65% Nickel, 32 Copper, a maximum of 2% Manganese and 2.5% IronAlloy K500, also found ...