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Discover our premium High Performance Cr20Ni80 Resistance Heating Flat Wire — the ideal Nichrome 80/20 flat ribbon for reliable, high-temperature resistance heating. Engineered for superior resistivity, oxidation resistance, and long service life, this wholesale resistance wire delivers consistent performance in demanding industrial and commercial heating applications.
Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
8.4g/cm3
ISO9001/ CE/ROHS
5kg
1400°C
10-25 days
Product Description
Our Cr20Ni80 resistance heating flat wire (also known as Nichrome 80/20 or NiCr alloy flat ribbon) is a premium nickel-chromium resistance heating element material designed for maximum efficiency and durability. With high electrical resistivity, excellent high-temperature stability, and strong oxidation resistance, this flat nichrome wire is the preferred choice for manufacturers of electric heating elements worldwide.
Available in custom widths, thicknesses, and spools for bulk wholesale orders, our Cr20Ni80 flat wire ensures uniform heating, energy efficiency, and extended lifespan in high-demand environments.
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 | |
Superior High Temperature Resistance: Operates reliably up to 1200°C (2192°F) with outstanding oxidation and corrosion resistance in air.
High Electrical Resistivity & Stable Performance: Cr20Ni80 nichrome alloy provides consistent resistance across wide temperature ranges for precise heating control.
Flat Ribbon Design Advantages: Enhanced surface area for faster heat transfer compared to round wire; ideal for compact heating elements and custom windings.
Excellent Workability & Weldability: High ductility, creep resistance, and ease of forming/brazing for industrial heating wire fabrication.
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
1.What is Cr20Ni80 Nichrome 80/20 Resistance Heating Flat Wire?
It is a nickel-chromium alloy flat ribbon wire (80% Ni, 20% Cr) designed for high-temperature resistance heating elements with excellent oxidation resistance.
2.What is the maximum operating temperature of this nichrome flat wire?
Up to 1200°C (2192°F) in continuous use, suitable for most industrial and appliance heating applications.
3.How does flat resistance wire compare to round nichrome wire?
Flat wire provides larger surface area for improved heat transfer, easier integration into compact designs, and better stability in many heating element configurations.
4.Do you offer wholesale and custom sizes for Cr20Ni80 heating wire?
Yes — we provide bulk wholesale pricing with custom thickness, width, length, and spool options to meet OEM and distributor needs.
