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This durable Cr20Ni80 nichrome alloy wire offers excellent oxidation resistance and high electrical resistivity, making it perfect for demanding heating applications in furnaces, ovens, and electrical appliances. Engineered with a precise Cr20Ni80 composition, it ensures reliable heat generation and longevity even under extreme temperatures up to 1200°C.
Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
Customized Size
8.4g/cm3
ISO9001/ CE/ROHS
5kg
1390°C
5-20 Days
chemical,petroleum
Product Description
DLX Nichrome wire Cr20Ni80 stands out as a top-tier resistance heating material widely used in industrial sectors requiring robust thermal solutions. This nichrome alloy, known for its Cr20Ni80 grade, combines nickel-chromium elements to provide exceptional heat resistance and electrical conductivity. Ideal for creating custom heating coils and elements, it supports applications in electric furnaces, kilns, and radiant heaters. With a focus on durability and corrosion resistance, this wire is a staple in manufacturing processes across global markets, ensuring optimal performance in high-temperature environments while minimizing energy loss.
Max Continuous Service Temperature: 1200°C
Melting Point: 1400°C
Surface: Bright or Oxidized
Condition: Annealed
Withstands temperatures up to 1200°C, making it suitable for prolonged use in industrial resistance heaters and furnace wire applications.
The Cr20Ni80 composition provides consistent resistivity (approximately 1.09 μΩ·m), ensuring efficient energy conversion in electric heating wire systems and coil designs.
Forms a protective oxide layer, preventing degradation in high-temp environments like kilns and ovens, extending the lifespan of resistance alloy components.
Easily shaped into coils, strips, or custom designs for diverse industrial applications.
Austenite structure minimizes electromagnetic interference, suitable for sensitive equipment.
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 | |
Application Field
NiCr Electric Resistance wire Cr20Ni30 for industrial is valued for its versatility and reliability across various industries:
Furnace Heating Elements: Used in ceramic, glass, and metal processing furnaces for consistent and high-temperature heating.
Heat Treatment Furnaces: Provides precise temperature control for annealing, tempering, and hardening processes.
Electric Heaters and Kettles: Ensures rapid and efficient heating with long-term durability.
Toasters and Ovens: Supports high-temperature cooking and baking with stable performance.
Metallurgical Furnaces: Ideal for melting and alloying metals in corrosive environments.
Precision Components: Used in manufacturing automotive and aerospace parts requiring controlled heating.
Semiconductor Manufacturing: Provides clean and stable heating for wafer processing and deposition systems.
Resistors and Sensors: Integrated into high-precision resistors and temperature sensors.
Our 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
Cr20Ni80 Nichrome wire consists of 80% nickel and 20% chromium, providing high resistivity and oxidation resistance, making it ideal for durable resistance heating alloys in furnaces and electric coils.
This nichrome heating wire excels at temperatures up to 1200°C with minimal degradation, outperforming standard alloys in industrial furnace elements and long-term electric heating solutions due to its superior thermal stability.
Yes, its flexibility and high tensile strength allow for easy shaping into coils, perfect for appliance heating elements and resistance wire projects in both commercial and residential settings.
We offer a range from 0.1mm to 10mm, suitable for various uses like kiln heating wires and furnace elements, ensuring compatibility with diverse industrial heating systems.
Store in a dry environment to prevent moisture-induced corrosion; regular inspections for oxidation ensure longevity in high-temp resistance wire applications across global manufacturing industries.
Absolutely, our high-quality nichrome resistance wire complies with international standards, making it accessible for industrial heating solutions in markets like the USA, Europe, and Asia.
