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High-Quality Cr20Ni80 Resistance Wire - Heating Element Alloy for Furnaces
- Product Details
Products Description
Cr20Ni80 Resistance Wire is a premium nickel-chromium alloy designed for high-performance electric heating applications. Composed of 80% nickel and 20% chromium, this alloy, also known as Nichrome 80, Nicrothal 80, or Chromel, delivers exceptional thermal stability and oxidation resistance, making it ideal for industrial furnaces, household appliances, and specialized heating systems. With the ability to withstand temperatures up to 1200°C (2200°F), Cr20Ni80 Resistance Wire ensures reliable and consistent performance in demanding environments.
Our Cr20Ni80 Resistance Wire is engineered for durability, efficiency, and versatility, meeting the needs of industries such as metal processing, glass manufacturing, ceramics, and aerospace. Its excellent electrical resistivity and formability make it a top choice for custom heating elements, ensuring precise and uniform heating for a wide range of applications.
Why Choose Cr20Ni80 Resistance Wire?
Cr20Ni80 Resistance Wire stands out for its balance of performance, cost-effectiveness, and versatility. Compared to FeCrAl alloys like Kanthal, Cr20Ni80 offers superior oxidation resistance, making it a better fit for applications in oxidizing atmospheres. While FeCrAl alloys may handle slightly higher temperatures, Cr20Ni80 Resistance Wire provides a cost-effective solution without compromising on durability or reliability.
This alloy is designed to minimize maintenance and replacement costs, with a long service life even in continuous high-heat environments. Its recyclability aligns with eco-conscious industrial trends, making it an excellent choice for companies prioritizing sustainability. Additionally, Cr20Ni80 Resistance Wire can be customized to meet specific design requirements, offering flexibility for unique heating element configurations.
Products Specification
| 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 | |
With a tensile strength of about 650 MPa, Cr20Ni80 is tough enough to last for years, cutting down on maintenance and replacements. It’s also super versatile—we can shape it into coils, strips, or custom heating elements to fit any industrial setup. That kind of flexibility is a big deal for manufacturers needing tailored solutions.
Key Features
1.High-Temperature Performance
Operates reliably at temperatures up to 1200°C, perfect for industrial furnaces and high-heat applications.
2.Superior Oxidation Resistance
Both alloys form a protective oxide layer, enhancing durability in oxidizing conditions.
3.Consistent Electrical Resistivity
Maintains consistent resistivity of approximately 1.09 µΩ·m, ensuring uniform heating.
4.High Tensile Strength
With a tensile strength of around 650 MPa, Cr20Ni80 Resistance Wire is built to last, reducing maintenance costs.
5.Formability
Easily shaped into coils, strips, or custom heating elements for tailored industrial solutions.
6.Eco-Friendly
Both Cr20Ni80 and Cr15Ni60 are 100% recyclable, supporting sustainable manufacturing.
Products Applications
Cr20Ni80 Resistance Wire is a trusted material across various industries due to its robust performance and adaptability. Key applications include:
Metal Processing: Powers heat-treating furnaces for annealing, hardening, and tempering metals.
Glass Manufacturing: Provides consistent heating in glass-forming kilns and ovens.
Ceramics Industry: Ensures precise temperature control in ceramic kilns.
Aerospace: Used in specialized heating systems for material testing and component manufacturing.
Domestic and Industrial Appliances: Found in toasters, hair dryers, industrial ovens, and wire-wound resistors.
Its ability to maintain performance under frequent switching and temperature fluctuations makes it indispensable for precision heating systems.
The growing demand for energy-efficient and sustainable materials has positioned Cr20Ni80 Resistance Wire as a preferred choice for modern industrial heating solutions. Its ability to maintain performance under frequent temperature fluctuations and corrosive environments makes it indispensable for manufacturers worldwide.
About Us
CHANGZHOU DLX ALLOY CO, LTD was established in 2002.Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
Client Visits
Building Stronger Partnerships
We support all kinds of testing:
Why Partner with Us?
1.Quality Assurance: ISO 9001-certified production with comprehensive testing for reliability.
2.Customization Options: Tailored Cr20Ni80 Resistance Wire solutions for specific industrial needs.
3.Global Support: Timely and multilingual after-sales service for technical guidance and issue resolution.
4.Sustainability Focus: Fully recyclable Cr20Ni80 Resistance Wire supports eco-friendly manufacturing.
5.Competitive Pricing: High-performance alloy at a cost-effective price point.
FAQs
FAQs：
Q：I have sent the RFQ, when can I expect a reply?
A：We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, please send the message on trade management or call us directly.
Q：How long is the delivery time?
A：It depends on the order quantity ,Usually it takes about 20-30 days.
Q：Do you accept OEM/ODM manufacturing?
A：Yes! We do accept OEM/ODMmanufacturing. You could give us your samples or drawings.
Q：Can you send me your catalogue?
A：Yes, please contact us.We can share with our catalogue for you by email.
Q：How to control the products quality in your company?
A：With professional quality team, advanced product quality planning, strict implementation, continuous improvement, the quality of our products is well controlled and consistent.
Q：Can you provide detailed technical data and drawing?
A：Yes, we can. Please tell us which product you need and the applications, we will send the detailed technical data and drawing to you for your evaluation and confirm.
