Copper-nickel heating resistance alloys with high resistance to chemical corrosion and oxidation with low temperature coefficient, certain electrical resistance reached by wounding of wires in coils and meantime current passed through it – Heat is generating!
Application:
Grade | CuNi44 | CuNi23 | CuNi10 | CuNi6 | CuNi2 | CuNi1 | CuNi8 | CuNi14 | CuNi19 | CuNi30 | CuNi34 | CuMn3 | |
Cuprothal | 49 | 30 | 15 | 10 | 5 | ||||||||
Isabellehutte | ISOTAN | Alloy 180 | Alloy 90 | Alloy 60 | Alloy 30 | ISA 13 | |||||||
Nominal composition% | Ni | 44 | 23 | 10 | 6 | 2 | 1 | 8 | 14 | 19 | 30 | 34 | – |
Cu | Bal | Bal | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal | Bal | Bal | Bal | |
Mn | 1 | 0.5 | 0.3 | – | – | – | – | 0.5 | 0.5 | 1.0 | 1.0 | 3.0 | |
Max operating temp(uΩ/m at 20°C) | 0.49 | 0.3 | 0.15 | 0.10 | 0.05 | 0.03 | 0.12 | 0.20 | 0.25 | 0.35 | 0.4 | 0.12 | |
Resisivity (Ω/cmf at 68°F) | 295 | 180 | 90 | 60 | 30 | 15 | 72 | 120 | 150 | 210 | 240 | 72 | |
Max operating temp(°C) | 400 | 300 | 250 | 200 | 200 | 200 | 250 | 300 | 300 | 350 | 350 | 200 | |
Density(g/cm³) | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | |
TCR(×10-6/°C) | <-6 | <16 | <50 | <60 | <120 | <100 | <57 | <30 | <25 | <10 | <0 | <38 | |
Tensile Strength(Mpa ) | ≥420 | ≥350 | ≥290 | ≥250 | ≥220 | ≥210 | ≥270 | ≥310 | ≥340 | ≥400 | ≥400 | ≥290 | |
Elongation(%) | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | ≥25 | |
EMF vs Cu uV/°C(0~100°C) | -43 | -34 | -25 | -12 | -12 | -8 | 22 | -28 | -32 | -37 | -39 | - | |
Melting Point (°C) | 1280 | 1150 | 1100 | 1095 | 1090 | 1085 | 1097 | 1115 | 1135 | 1170 | 1180 | 1050 | |
Magnetic Property | non | non | non | non | non | non | non | non | non | non | non | non |