
Nickel Ni 60.0% | Chromium Cr 29.0-32.0% | Iron Fe 5.0% | Silicon Si 0.5-2.0% | Manganese Mn 1.0% | Copper Cu 0.5% | Carbon C 0.1% |
Density at room°C | Electrical resistivity at 20°C | Melting point, °C | Max continuous operating temperature in air, °C | Magnetic properties |
8.2 g/cm3 | 1.16(1.19)* microhm-m | 1380 | 1200 | The material is non-magnetic |
*Electrical resistivity 1.16 Ω mm2/m corresponds to an Oxidized Annealed condition Electrical resistivity 1.19 Ω mm2/m corresponds to a Bright Annealed condition |
NiCr 80 20 wire, mm |
Yield strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Elongation A % |
Hardness Hv |
1.0 | 420 | 810 | 30 | 180 |
4.0 | 300 | 725 | 30 | 160 |
Product | Size, mm | Condition of supply |
wire | 0.2 – 12.0 | bright annealed oxidized |
bar | 5.0 – 60.0 | hot finished cold finished peeled bright turned bright annealed |
strip | Thickness 2.5 – 5.0 Width 20 – 100 |
cold finished bright annealed |
stranded wire | 2.5 – 3.0 | hard annealed |
NiCr 7030 datasheet. Download(286KB)