# Heating wire roll Cr20Ni80, 0.5mm , 10 meters

> Heating wire roll made of nichrome alloy Cr20Ni80, diameter 0.5mm, length 10 meters. Electrical resistance of 5.5 ohms per meter, resistivity approximately 1.09x10^-6 Ω·m at 20°C, maximum operating temperature approximately 1200°C, thermal conductivity approximately 5.55W per meter. Good resistance to corrosion and oxidation. Used for electrical resistors, heating elements, ovens, dryers and hot wire polystyrene cutters.

- Page: https://sigmanortec.ro/en/heating-wire-roll-cr20ni80-05mm-10-meters
- Price: 35.03 RON
- Availability: In stock; 1-2 zile
- Reference: 9664 · EAN: 5941733166975
- Category: Electronic components > Other Components
- Package (shipping data): 0.026 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 05:45 (Europe/Bucharest)

## Description

Heating wire made of nichrome alloy Cr20Ni80, diameter 0.5 mm, 10 m roll, ideal for making resistors and heating elements in ovens, dryers or polystyrene cutting machines. Offers high electrical resistance of 5.5 ohms per meter, stability at high temperatures up to 1200 C, and good resistance to oxidation and corrosion.
0.5mm Cr20Ni80 heating wire roll with a length of 10 meters is a product specially designed for electrical heating applications. The wire is made of a high nickel and chromium alloy (Cr20Ni80), which offers high electrical resistance and high temperature resistance. It is commonly used in applications such as electric resistors, heating elements, ovens, dryers and other industrial and commercial heating equipment. It is also often used in hot wire polystyrene cutting machines.
Specifications:
Material: Cr20Ni80 (nichrome alloy)
Wire diameter: 0.5mm
Roll length: 10 meters
Electrical resistance per meter: 5.5Ω
Material specific electrical resistance (resistivity): Approximately 1.09×10⁻⁶ Ω·m (at 20°C)
Maximum operating temperature: Approximately 1200°C
Thermal conductivity: Approximately 5.55W/meter
Corrosion resistance: Good resistance to chemical corrosion and oxidation