Nikrothal® N40BXT is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1100°C (2010°F). It has good ductility after use and good corrosion resistance, except in sulphur containing and certain controlled atmospheres.
Typical applications for Nikrothal® N40BXT are electric heating elements, resistors, and load banks.
Mechanical properties
| Wire size | Yield strength | Tensile strength | Elongation |
|---|---|---|---|
| Ø | Rp0.2 | Rm | A |
| mm | MPa | MPa | % |
| 1.0 | 310 | 725 | 35 |
| Temperature °C | 900 |
|---|---|
| MPa | 110 |
Ultimate tensile strength - deformation rate 6.2 x 10-2/min-1
Physical properties
| Density g/cm3 | 7.98 |
|---|---|
| Electrical resistivity at 20°C Ω mm2/m-1 | 1.06 (637 Ω cmf) |
| Temperature°C | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ct | 1.04 | 1.07 | 1.10 | 1.12 | 1.15 | 1.16 | 1.18 | 1.19 | 1.21 | 1.22 | 1.23 |
| Melting point °C | 1420 |
|---|---|
| Max continuous operating temperature in air °C | 1100 |
| Magnetic properties | The material is non-magnetic |
| Emissivity - fully oxidized material (ε) | 0.88 |
