Nichrome resistance heating foil is a high-performance nickel-chromium alloy sheet designed for precision electrical heating and resistance applications. The typical composition—80% nickel and 20% chromium—provides excellent oxidation resistance, high resistivity, and stable performance over extended heating cycles. This alloy combines strength, ductility, and uniform resistance, making it suitable for electronic resistors, flexible heating elements, and high-temperature control systems. DZX manufactures NiCr foils with tight tolerance control, ensuring consistent resistance across every millimeter of the sheet.
Applications
Electronic and power resistors
Flexible heating elements and mats
Industrial furnace linings and insulation systems
Medical and laboratory heating devices
Temperature sensors and control modules
Aerospace and automotive heating systems
Circuit protection and load balancing resistors
Precision testing and thermal simulation equipment
Industry Trends
As global industries push toward miniaturization, energy efficiency, and automation, the demand for thin and precise resistance heating materials has grown sharply. Nichrome foil, thanks to its stable electrical characteristics and formability, has become essential for the next generation of heating components. From advanced electronic circuits to smart temperature-controlled systems, NiCr foil delivers consistent performance under thermal stress. The trend toward compact and lightweight designs, especially in electronics and EV manufacturing, has positioned Nichrome foil as a preferred choice over traditional resistance wires. DZX has expanded its production capability to meet these evolving market needs by providing customized NiCr alloy foils with enhanced resistance uniformity and reliability.
Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 |
Chemical Compostion (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 |
Re | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune | Opportune |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest |
| -- | -- | -- | -- | -- | -- | -- |
Max.Continuous service temp. of element |
950 |
1250 |
1250 |
1250 |
1100 |
1350 |
1400 |
Resistivity at 20C(μΩ.m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 |
Density(g/cm) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 |
Thermal Conductivity(KJ/m.h) |
52.7 |
46.1 |
63.2 |
60.2 |
46.9 |
46.1 |
-- |
Coefficient of lines expansion(αx10-6/℃)
| 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 |
Melting Point Approx(degree) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 |
Tensile Strength(N/mm) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 |
Elongation at rupture(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 |
Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 |
Repeat Bending frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 |
Hardness(H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 |
continuous service time(Hours/ ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥80/1350 | ≥80/1350 |
Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite |
Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |
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)
|
In the world of precision heating and electrical resistance, even the smallest variations in material quality can make a big difference. That’s why DZX has focused on perfecting its Nichrome resistance heating foil, a high-performance NiCr alloy sheet designed to deliver consistent, stable, and long-lasting performance in demanding environments. Whether used in industrial furnaces, electronic resistors, or flexible heaters, DZX’s Nichrome foil offers the balance of efficiency and durability that modern industries require.
Nichrome, composed of 80% nickel and 20% chromium, has long been the gold standard for resistance heating materials. What sets DZX’s Nichrome foil apart is our advanced manufacturing process, which ensures exceptional thickness precision, surface finish, and resistance uniformity. Each sheet is rolled and annealed under strict quality control, allowing for superior thermal conductivity and resistance stability even during repeated heating and cooling cycles.
In electronic resistor manufacturing, uniform resistance is critical. Any inconsistency can lead to fluctuations in heat output or circuit performance. DZX Nichrome foil eliminates that issue with tight tolerance control—every roll maintains consistent ohmic values across its length and width. This precision makes it ideal for high-accuracy applications like temperature sensors, load resistors, and power control systems.
Comparison Table
| Property | Nichrome Resistance Foil | FeCrAl Heating Foil |
|---|
| Main Components | Nickel, Chromium | Iron, Chromium, Aluminum |
| Max Operating Temp (°C) | ~1200 | ~1350 |
| Electrical Resistivity (μΩ·m) | 1.1 – 1.3 | 1.4 – 1.5 |
| Oxidation Resistance | Excellent | Excellent |
| Ductility | High | Moderate |
| Magnetic Property | Non-magnetic | Magnetic |
| Corrosion Resistance | Superior | Good |
| Thickness Range | 0.02mm–2mm | 0.05mm–2mm |
| Applications | Resistors, Flexible Heaters | Industrial Heaters, Elements |
Compared to wire or rod forms, Nichrome foil offers a much larger surface area for heat distribution. This allows designers to create compact, lightweight, and flexible heating elements used in everything from medical devices to automotive defrost systems. It’s particularly valuable in modern industries that demand both space efficiency and stable thermal output. With DZX’s ultra-flat foil surface and high ductility, manufacturers can easily cut, form, or etch complex patterns without cracks or structural deformation.
The alloy’s durability also makes it suitable for harsh industrial environments. Its high oxidation resistance ensures that it maintains its integrity even after thousands of hours of heating. This translates into longer service life and reduced maintenance costs for equipment owners—a key factor in cost-sensitive manufacturing operations. DZX’s proprietary surface treatment process further enhances oxidation control, helping the foil maintain clean surfaces and stable resistance during extended use.
When comparing Nichrome foil to FeCrAl alternatives, the advantages are clear. While FeCrAl can handle slightly higher maximum temperatures, it becomes brittle over time, limiting its use in applications requiring flexibility or repeated thermal cycling. DZX Nichrome foil, on the other hand, retains its mechanical properties and resistance stability, ensuring consistent performance in both high and low-temperature conditions. It’s an ideal solution for dynamic environments such as laboratory testing equipment, aerospace systems, and electric heating appliances.
DZX’s production capabilities also extend beyond standard specifications. We provide custom sizes, resistance values, and alloy grades tailored to customer needs. Whether the project calls for ultra-thin foil for micro-resistor assemblies or thicker sheets for industrial heaters, DZX delivers with precision and speed. Our in-house testing facilities verify electrical resistivity, mechanical strength, and oxidation resistance to guarantee every product meets or exceeds global performance standards.
In an era where efficiency and sustainability are at the forefront of industrial design, DZX Nichrome resistance foil stands out. Its long life and consistent energy performance contribute to lower energy consumption and reduced waste. By extending the operational life of heating components, it supports greener, more cost-effective manufacturing systems.
From electronic resistors to advanced heating elements, DZX Nichrome foil represents more than just a material—it’s a performance solution built for reliability and innovation. Each sheet embodies our commitment to quality engineering and customer success.
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.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:
What is Nichrome resistance heating foil made of?
It is primarily composed of nickel and chromium, typically 80/20, providing strength, oxidation resistance, and consistent electrical performance.
2. What’s the typical operating temperature range?
Nichrome foil can function effectively up to about 1200°C depending on the application and atmosphere.
3. What are the main uses of Nichrome foil?
It’s used in electronic resistors, heating films, flexible heaters, and industrial furnace systems.
4. How is Nichrome foil different from Nichrome wire?
The foil provides more surface area and uniform heat spread, making it ideal for flat or flexible heating designs.
5. Can Nichrome foil be welded or joined easily?
Yes, it supports spot welding, TIG welding, and soldering (with high-temperature solder alloys).
6. Is it suitable for corrosive or humid environments?
Yes, the alloy’s protective oxide layer prevents corrosion and scaling during long-term operation.
7. What is the thickness range DZX can supply?
DZX offers foils from 0.02mm to 2mm thick, customized to customer specifications.
8. Why choose DZX Nichrome foil?
DZX provides precision-rolled NiCr foils with strict resistance calibration, high surface smoothness, and uniform microstructure, ensuring long-term reliability and performance.
