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NiCr 80/20 Heating Wire (Cr20Ni80) is a premium nichrome resistance wire specifically designed for high-temperature heating applications in sealing machines. With an 80% nickel and 20% chromium composition, this nichrome heating element wire delivers exceptional oxidation resistance, stable resistivity, and outstanding durability even under continuous high-heat operation.
Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
8.4g/cm3
ISO9001/ CE/ROHS
5kg
1400°C
10-25 days
Product Description
NiCr 80/20 Heating Wire (Cr20Ni80) is a premium nichrome resistance wire specifically designed for high-temperature heating applications in sealing machines. With an 80% nickel and 20% chromium composition, this nichrome heating element wire delivers exceptional oxidation resistance, stable resistivity, and outstanding durability even under continuous high-heat operation.
Ideal for heat sealing machines, impulse sealers, and packaging equipment, our Cr20Ni80 wire ensures consistent temperature distribution and rapid heat-up times, making it the preferred choice for industrial sealing solutions.
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 | |
Our Cr20Ni80 nichrome wire withstands temperatures up to 1200°C with minimal oxidation, ensuring long-term reliability in demanding sealing machine environments.
Engineered with precise resistance properties, this NiCr 80/20 resistance heating wire provides uniform heating and energy efficiency, reducing power consumption in heat sealing applications.
The robust alloy composition delivers outstanding tensile strength and flexibility, making the nichrome sealing machine wire highly resistant to breakage and deformation during repeated use.
Achieve rapid thermal response and stable operating temperatures essential for high-speed packaging sealing machines and impulse heat sealers.
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
A: NiCr 80/20 (Cr20Ni80) is an alloy containing 80% Nickel and 20% Chromium, offering superior resistance to oxidation and high-temperature stability.
A: It can safely operate up to 1200°C, making it ideal for continuous use in sealing machines.
A: Yes. It is non-toxic and widely used in food-grade and pharmaceutical heat sealing applications.
A: Common diameters include 0.2mm, 0.3mm, 0.5mm, 0.8mm, 1.0mm, and custom sizes upon request.
A: With proper use, it significantly outlasts standard heating wires due to its excellent oxidation resistance and mechanical strength.
