... , better malleability,better solderability. Constantan wire/CuNi44 Alloy Wire/sheet/ribbbon/flat wire/stripconstantan resistance alloy wire Material: CuNi1, CuNi2, CuNi6, ... CuNi14, CuNi19, CuNi23, CuNi30, CuNi34, CuNi40,CuNi44. Constantan Wire/Rod/Bar diameter: 0.02mm-30mm Strip thickness: 0.1mm ... , they have a maximum operating temperature of 752°F. They do not therefore intervene in the field ...