NiCr 70:30
NiCr 70:30 raises the chromium to 30%, which lifts oxidation and carburisation resistance to 1300 °C. Reformers, incinerators and kiln furniture are the usual applications.
Available Forms
Aurico Alloys LLP supplies NiCr 70:30 in plates, round bars and sheets, with material test certificates (EN 10204 3.1) and export-ready packaging from Mumbai, India. Contact us for stock availability and pricing.
Specifications by Product Form
Nichrome 70/30 (N06003) is supplied to a different standard in each form. Quote the one that matches the product you are ordering.
| Product form | Specification |
|---|---|
| Plate, sheet and strip | ASTM B344 |
| Rod and bar | ASTM B344 |
| Wire | ASTM B344 |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N06003 |
| Werkstoff / EN number | 2.4658 |
| EN designation | NiCr 70 30 |
| Density | 8.1 g/cm3 |
| Melting range | 1400 °C |
| Electrical resistivity (20 °C - per DIN 17470) | 119 µΩ·cm |
| Electrical resistivity (20 °C - per ASTM B 344) | 116 µΩ·cm |
| Thermal conductivity | 13.8 W/m·K |
| Specific heat (20 °C) | 420 J/kg·K |
| Coefficient of expansion (200 °C) | 13.5 µm/m·°C |
| Modulus of elasticity | 200 kN/mm² |
| Maximum operating temperature in air | 1250 °C (sheet prints this as approximate) |
Identifiers and physical constants for Nichrome 70/30. A dash means no such designation is published for this grade.