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Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
8.4g/cm3
ISO9001/ CE/ROHS
5kg
1400°C
10-25 days
Product Description
Cr20Ni80 heating resistance wire is one of the most widely used nickel chromium alloys in the electric heating industry. The alloy provides excellent thermal stability and maintains reliable resistance values during long-term operation at elevated temperatures.
Its bright surface treatment improves surface quality and enhances manufacturing performance for precision heating components. The wire can be easily formed into coils, spirals, and customized heating elements for various industrial applications.
Manufactured under strict quality standards, our Cr20Ni80 resistance wire ensures uniform diameter tolerance, stable resistivity, and dependable heating efficiency for industrial heating 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 | |
High temperature resistance up to 1200°C
Excellent oxidation and corrosion resistance
Stable electrical resistivity for consistent heating performance
Long service life under continuous heating conditions
Good mechanical strength and ductility
Easy to form, wind, and fabricate into heating elements
Suitable for both industrial and household heating applications
Reliable performance in furnace and thermal processing systems
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
Cr20Ni80 is a nickel chromium heating alloy containing approximately 20% chromium and 80% nickel. It is commonly used for electric heating elements due to its excellent heat resistance and stable electrical properties.
Bright surface refers to the clean and smooth finish of the wire after manufacturing. It improves appearance, surface quality, and processing performance for industrial applications.
Cr20Ni80 heating resistance wire can generally operate at temperatures up to 1200°C depending on the working environment and wire specifications.
The alloy offers excellent oxidation resistance, stable resistance values, and long-term durability under high-temperature operating conditions.
Yes. Wire diameter, coil size, resistance value, packaging, and other specifications can be customized according to customer requirements.
Cr20Ni80 heating wire is widely used in metallurgy, ceramics, heat treatment, electric appliances, industrial heating, and thermal processing industries.
