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Discover premium Cr20Ni80 NiCr heating wire, a high-performance nichrome resistance wire engineered for superior corrosion resistance and high-temperature stability up to 1200°C. Ideal for industrial furnaces, electric heating elements, kilns, and resistance applications. Shop durable nichrome 80/20 wire with excellent oxidation resistance and form stability.
Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
8.4g/cm3
ISO9001/ CE/ROHS
5kg
1400°C
10-25 days
Product Description
Our Cr20Ni80 NiCr heating wire (also known as Nichrome 80/20 or Ni80Cr20 resistance wire) is a premium austenitic nickel-chromium alloy designed for demanding high-temperature environments. With 80% nickel and 20% chromium, this corrosion-resistant heating wire delivers exceptional electrical resistivity, outstanding oxidation resistance, and long-term form stability in industrial furnaces, kilns, and electric heating elements.
This nichrome heating wire maintains reliable performance at continuous operating temperatures up to 1200°C (2190°F), making it the preferred choice for professionals seeking durable, high-resistivity wire that withstands thermal cycling, corrosion, and oxidation without degrading. Whether you're building custom furnace heating elements or replacing resistance wire in industrial applications, our Cr20Ni80 wire offers superior weldability, ductility after use, and consistent heating performance.
Specification
Shape | Size(mm) |
Wire | 0.05-7.5 |
Rod | 8-50 |
Ribbon | (0.05-0.35)*(0.5-6.0) |
Strip | (0.5-2.5)*(5-180) |
Performance material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
composition | Ni | 90 | Rest | Rest | 55.0～61.0 | 34.0～37.0 | 30.0～34.0 |
Cr | 10 | 20.0～23.0 | 28.0～31.0 | 15.0～18.0 | 18.0～21.0 | 18.0～21.0 | |
Fe | -- | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Maximum temperature℃ | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Meltiing point ℃ | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density(g/cm3) | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Resistivity | -- | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | |
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Specific heat J/g.℃ | -- | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
Thermal conductivity KJ/m.h℃ | -- | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion | -- | 18 | 17 | 17 | 19 | 19 | |
Micrographic structure | -- | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | -- | Nonmagnetic | Nonmagnetic | Nonmagnetic | Nonmagnetic | Nonmagnetic | |
High-Temperature Resistance and Oxidation Protection in Furnace Heating Elements
Maximum continuous operating temperature: 1150–1200°C
Excellent oxidation and corrosion resistance even in prolonged high-heat exposure
High melting point (~1400°C) for reliable performance under extreme conditions
Superior Electrical Resistivity and Stable Heating Performance
Resistivity: Approximately 1.09 μΩ·m (108–650 ohm/cmil/ft range depending on gauge)
Consistent resistance across wide temperature fluctuations
Ideal for precise control in wire-wound resistors and heating coils
Corrosion Resistant NiCr Alloy with Excellent Form Stability and Ductility
Austenitic microstructure ensures minimal deformation and good ductility post-use
Strong weldability for easy fabrication of custom heating elements
DLX Advantage
CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel-based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, precision alloy, FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.
1.Market Leader - Top 5 in China's nonferrous metal industry
2.Flexible products - Thousands of product specifications,Meet multiple needs of buyers
3.Low MOQ - Can customize samples
4.Short production lead time, fast delivery of whole cabinet
5.Professional inspection equipment - Before delivery, we will use spectrometers, tensile testers and other professional equipment to conduct a comprehensive inspection of the products to ensure that the goods are qualified for acceptance
6.Professional business team - Quickly responds to customer inquiries,24-hour professional quotation online The salesperson will follow the customer's requirements for the use of the product,Professionally recommend more appropriate performance and price products to customers
7.Intact packaging - Packaging according to customer needs.You can customize wooden boxes to ensure that the goods arrive at the destination in good condition
8.Various payment methods - Facilitate customer payment
9.Get good reviews from customers - Old customers have long-term cooperation,The longest is more than 7 years
10.Received various awards - Google is very recognized by us,They give us awards every year
FAQ
It is a nickel-chromium alloy with approximately 80% nickel and 20% chromium (Ni80Cr20 / Nichrome 80/20), offering the best balance of resistivity, oxidation resistance, and durability for furnace and heating applications.
It supports continuous operation up to 1150–1200°C (2100–2190°F) in air, with excellent performance in high-temperature furnaces and heating elements.
Yes. The high chromium content provides outstanding corrosion and oxidation resistance, making it ideal for harsh industrial environments and prolonged high-heat exposure.
Cr20Ni80 (80/20) offers superior resistivity and longer life than many lower-nickel variants. It outperforms FeCrAl in certain oxidation and ductility scenarios while providing reliable form stability.
