Common trade names: NiCr60/15, Ni60Cr15, Chromel C, N6, Nikrothal 6, Nikrothal 60, Cronifer II, Alloy C.
NiCr 60 15 (Werkstoff Nr 2.4867) is an austenitic Nickel-Chromium alloy for use at temperatures up to 1150°C. The precision Nickel-Chromium alloy 60/15 is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.
Chemical composition
Nickel Ni 57.0-60.0% | Iron Fe Bal. | Chromium Cr 14.0-17.0% | Silicon Si 1.0-1.7% | Manganese Mn 1.0% | Carbon C 0.1% | Cupper Cu 0.4% | Aluminium Al 0.2% |
Physical properties
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 | 1.11(1.13)* microhm-m | 1390 | 1150 | The Material is Slightly Magnetic |
*Electrical Resistivity 1.11 Ω mm2/m corresponds to an Oxidized Annealed condition Electrical Resistivity 1.13 Ω mm2/m corresponds to a Bright Annealed condition |
Mechanical properties
NiCr 80 20 wire, mm |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Elongation A % |
Hardness Hv |
1.0 | 370 | 730 | 35 | 180 |
4.0 | 300 | 700 | 30 | 160 |
Product forms
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 |
Ribbon | Thickness 0.2 – 1.0 Width 2.0 – 4.5 |
Bright Annealed Flat Rolled |
Stranded Wire | 2.5 – 3.0 | Hard Annealed |
Application
NiCr 60 15 is used for electric heating element materials in domestic appliances. Typical applications are metal sheathed tubular elements used in, for example, hot plates, grills, toaster ovens and storage heaters. The alloys 6015 is also used for suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.
- High-resistance and potentiometer resistors.
- Electric heating elements (home & industrial use).
- Industrial furnaces up to 1150°C.