Ni70Cr30 Resistance Heating Nickel Chromium Alloy High Resistivity, Resistohm 70, Nikrothal 70, Chromel 70/30 Resistance Heating Wire Nickel-Chromium Alloy 70% Nickel / 30% Chromium - N7
Widely used in electrical heating element material, resistor, industrial furnaces, etc. Resistohm 70, NiCr 70/30, Nikrothal 70, Chromel 70/30, HAI-NiCr 70, Cronix 70, Inalloy 70, X30H70 is an austenitic Nickel-Chromium alloy for use at temperatures up to 1250°C. It has good ductility after use and excellent weldability.
NickelNi67-70% | ChromiumCr29-32% | IronFe1.0% | SiliconSi1.0-2.5% | ManganeseMn1.0% | CopperCu0.5% | CarbonC0.1% | CupperCu0.4% | AluminiumAl0.1% |
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 |