Nichrome 80/20 Foil | Heat-Resistant NiCr Heating Elements
Table of Contents:
When a pharma drying oven in Navi Mumbai overheated and failed mid-batch, contaminating high-value API powders and costing lakhs in downtime for engineers and procurement teams, the upgrade to Nichrome 80/20 foil from Aurico Alloys LLP restored uniform heating up to 1200°C with 30% longer life than Kanthal alternatives, slashing energy use by 15-20% .
Nichrome 80/20 (Ni80Cr20, ASTM B344) is an austenitic nickel-chromium resistance alloy with high resistivity (1.09 Ω mm²/m) and oxidation resistance to 1200°C, ideal for embedded heating in harsh industrial settings . Aurico Alloys LLP supplies affordable, best quality, authentic products as trusted supplier, manufacturer, and stockist, supporting chemical, oil & gas, marine, pharma, power industries, and hardware stores with reliable stock exported from India .
Beats copper or stainless in longevity—Nichrome lasts 2-3x longer in oxidizing atmospheres without embrittlement, perfect for furnace elements where failures spike costs by 40% .
Nichrome 80/20 foil stockist in C.P. Tank Mumbai offers ready stock Nichrome heating foil with Nichrome foil price per kg for export and custom slitting .
High-quality Nichrome Foil ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP - Nichrome foil supplier India |
|---|---|
| Grade | Nichrome 80/20, 70/30 and 60/15 |
| Standards | One plate, sheet and strip specification per grade – listed in Equivalent Grades & Standards below. Inspection certificates to EN 10204. |
| Thickness Range | 0.05mm+ (thin gauge 0.05mm Nichrome foil shims) |
| Width | Custom width Nichrome alloy foil slitting up to 1200mm |
| Finish | Annealed Nichrome foil for deep drawing |
| Delivery | MTC certified Nichrome foil exporters Maharashtra |
Equivalent Grades & Standards
Nichrome 80/20
| Property | Value |
|---|---|
| UNS number | N06023 |
| Werkstoff / EN number | 2.4869 |
| EN designation | NiCr 80 20 |
| Density | 8.3 g/cm3 |
| Melting range | 1400 °C |
| Electrical resistivity (20 °C - per DIN 17470) | 112 µΩ·cm |
| Electrical resistivity (20 °C - per ASTM B 344) | 108 µΩ·cm |
| Thermal conductivity | 14.6 W/m·K |
| Specific heat (20 °C) | 420 J/kg·K |
| Coefficient of expansion (200 °C) | 14.0 µm/m·°C |
| Modulus of elasticity | 200 kN/mm² |
| Maximum operating temperature in air (as heating element) | 1200 °C |
| Maximum operating temperature in air (as resistance alloy) | 600 °C |
| Plate, sheet and strip specification | ASTM B344 |
Identifiers and physical constants for Nichrome 80/20. A dash means no such designation is published for this grade.
Nichrome 70/30
| 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) |
| Plate, sheet and strip specification | ASTM B344 |
Identifiers and physical constants for Nichrome 70/30. A dash means no such designation is published for this grade.
Nichrome 60/15
| Property | Value |
|---|---|
| UNS number | N06024 |
| Werkstoff / EN number | 2.4867 |
| EN designation | NiCr 6015 |
| Density | 8.2 g/cm3 |
| Melting range | 1390 °C |
| Electrical resistivity (20 °C) | 113 µΩ·cm |
| Thermal conductivity | 13.4 W/m·K |
| Specific heat | 460 J/kg·K |
| Coefficient of expansion (20-100 °C) | 13.5 µm/m·°C |
| Modulus of elasticity | 200 kN/mm² |
| Maximum working temperature (as heating element) | 1200 °C (sheet prints this as approximate) |
| Maximum working temperature (as resistance material) | 600 °C (sheet prints this as approximate) |
| Plate, sheet and strip specification | ASTM B344 |
Identifiers and physical constants for Nichrome 60/15. A dash means no such designation is published for this grade.
Stock & Product Availability
Corrosion resistant NiCr 80/20 foil for chemical processing stocked in Mumbai, flexible Nichrome foil for thin-film heaters .
Chemical Composition
Nichrome 80/20
| Element | Min (%) | Max (%) |
|---|---|---|
| Iron (Fe) | — | 1 |
| Chromium (Cr) | 19 | 21 |
| Nickel (Ni) | — | Balance |
| Carbon (C) | — | 0.15 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | 0.75 | 1.75 |
| Others | — | 0.01 |
Composition limits for Nichrome 80/20. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Nichrome 70/30
| Element | Min (%) | Max (%) |
|---|---|---|
| Iron (Fe) | — | 1 |
| Chromium (Cr) | 29 | 31 |
| Nickel (Ni) | — | Balance |
| Carbon (C) | — | 0.07 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | 1 | 1.5 |
| Copper (Cu) | — | 0.5 |
| Aluminium (Al) | — | 0.2 |
| Others | 0.01 | 0.04 |
Composition limits for Nichrome 70/30. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Nichrome 60/15
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 57.0 | — |
| Chromium (Cr) | 14.0 | 17.0 |
| Iron (Fe) | — | Balance |
| Carbon (C) | — | 0.10 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | 1.0 | 1.75 |
| Aluminium (Al) | — | 0.3 |
| Other | — | 0.04 |
Composition limits for Nichrome 60/15. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Value |
|---|---|
| Resistivity (Ω mm²/m) | 1.09 |
| Max Operating Temp (°C) | 1200 |
| Tensile Strength (MPa) | 750-800 |
| CTE (20-1000°C x10⁻⁶/K) | 17.2 |
Applications & Benefits
- Furnaces: Nichrome foil for industrial furnace heating elements, up to 1200°C .
- Electronics: High resistance Nichrome foil for precision resistors .
- Packaging: Nichrome 80/20 foil for vacuum sealing machines .
- Specialty: Heat resistant Nichrome foil for pyrotechnics igniters .
- Chemical: Corrosion resistant NiCr foil processing .