NiCr 70
Chemical Content, %
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other |
|---|---|---|---|---|---|---|---|---|---|
| Max 0.08 | Max 0.02 | Max 0.015 | Max 0.60 | 0.75~1.60 | 28.0~31.0 | Bal. | Max 0.50 | Max 1.0 | - |
Mechanical Properties
| Property Name | Value |
|---|---|
| Max Continuous Service Temperature | 1250℃ |
| Resistivity ( 20℃)/Ω·m | 1.18 +/-0.05 (Dia: <0.5mm) 1.20+/-0.05 (Dia: ≥0.50 mm) |
| Density | 8.1 g/cm3 |
| Thermal Conductivity | 45.2 KJ/m·h·℃ |
| Coefficient of Thermal Expansion | 17×10-6/℃ （20℃~1000℃） |
| Melting Point | 1380℃ |
| Elongation | Min 20% |
| Micrographic Structure | Austenite |
| Magnetic Property | nonmagnetic |
Temperature Factor of Electrical Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.007 | 1.016 | 1.028 | 1.038 | 1.044 | 1.036 | 1.03 | 1.028 | 1.029 | 1.033 | 1.037 | 1.043 | - |