N40 Nichrome Heating Element Wire - 1.04 ohm·mm²/m Resistivity, 0.018-30mm Diameter Range for Industrial Resistors
N40 grade nichrome heating element wire designed for high-temperature resistor applications. This annealed NiCrFe alloy wire offers excellent electrical resistance and thermal stability for industrial heating elements.
| Property | Specification |
|---|---|
| Alloy Grade | N40 (Ni35Cr20Fe) |
| Chemical Composition | Nickel 35%, Chrome 20%, Iron Balance |
| Electrical Resistivity | 1.04 ohm·mm²/m |
| Diameter Range | 0.018 - 30 mm |
| Condition | Bright, Annealed, Soft |
| Max Service Temperature | 1100°C |
- Tube heaters and industrial furnaces
- Hair dryers and electric irons
- Soldering irons and rice cookers
- Ovens and heating elements
- Resistance elements and wire-wound resistors
| Property | N40 Value |
|---|---|
| Density | 7.9 g/cm³ |
| Thermal Conductivity | 43.8 KJ/m·h·°C |
| Thermal Expansion Coefficient | 19 × 10⁻⁶/°C |
| Melting Point | 1390°C |
| Elongation | >20% |
| Magnetic Property | Weak magnetic |
Shanghai Tankii Alloy Material Co., Ltd. specializes in resistance alloy production with over 35 years of industry experience. Certified with ISO9001 quality system and ISO14001 environmental protection system, we offer complete production capabilities from refining to heat treatment.
Our product range includes nichrome alloys, FeCrAl alloys, copper nickel alloys, thermocouple wires, and precision alloys in various forms including wire, sheet, tape, strip, rod, and plate.
Our products are exported to over 60 countries worldwide, providing technical support and customer service for resistance, thermocouple, and furnace manufacturers.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.