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This high-resistance nichrome alloy wire excels in electric heating applications, offering excellent oxidation resistance up to 1250°C. Ideal for manufacturing heating coils, furnace elements, and resistor wires, it combines chromium and nickel for optimal conductivity and durability.
Cr10Ni90/Cr20Ni80/Cr30Ni70/Cr15Ni60/Cr20Ni35/Cr20Ni30
DLX
Bright
Customized Size
8.2g/cm3
ISO9001/ CE/ROHS
5kg
1380°C
5-20 Days
chemical,petroleum
Product Description
Our Cr30Ni70 nichrome heating element wire is a premium resistance alloy designed for high-temperature operations. Composed of 30% chromium and 70% nickel, this nichrome alloy heating wire provides exceptional resistance to corrosion and scaling, making it a staple in industrial heating solutions. With a melting point around 1400°C and low thermal expansion, it's perfect for creating stable heating elements in ovens, kilns, and appliances.
This high-resistance nichrome alloy wire excels in electric heating applications, offering excellent oxidation resistance up to 1250°C. Ideal for manufacturing heating coils, furnace elements, and resistor wires, it combines chromium and nickel for optimal conductivity and durability. Whether you're in metallurgy, ceramics, or electronics, this nichrome resistance heating wire ensures reliable performance, reducing downtime and enhancing efficiency in your heating systems.
Max Continuous Service Temperature: 1250°C
Melting Point: 1380°C
Surface: Bright or Oxidized
Withstands temperatures up to 1250°C without degrading, ideal for long-term use in high-heat environments like furnace heating elements.
Boasts a resistivity of approximately 1.08-1.13 μΩ·m, enabling precise control in resistance wire applications and electric heaters.
Maintains tensile strength at elevated temperatures, reducing breakage in demanding industrial resistor wire setups.
Chromium-nickel composition prevents rust and chemical degradation, extending lifespan in harsh conditions.
Available in various gauges from 0.05mm to 10mm, supporting tailored designs for heating coil wires and thermal systems.
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 | |
Application Field
Utilized as a primary welding resistance wire for joining metals in automotive and aerospace sectors, providing stable arcs and minimal spatter for high-quality welds.
Serves as a core component in resistance heating alloy applications, such as in kilns, ovens, and dryers, where consistent heat distribution is essential for processes in European and American factories.
Integrated into toasters, hair dryers, and space heaters as nichrome heating wire, offering efficient electric resistance for everyday consumer products in global markets.
Employed in scientific instruments requiring precise temperature control, like incubators and hot plates, leveraging its high-temperature nichrome alloy features for research facilities worldwide.
Adaptable for specialized resistance wire projects in electronics and metallurgy, supporting innovations in heating element designs across Asia-Pacific and North American industries.
Our 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
This nichrome alloy heating wire can operate continuously at up to 1250°C, making it suitable for high-temperature furnace elements and electric heaters.
Nichrome heating element wire, like Cr30Ni70, offers better oxidation resistance and longevity than kanthal or pure nickel wires, ideal for demanding resistance heating applications.
Yes, our Cr30Ni70 resistance wire is highly formable, perfect for creating custom heating coils and resistor elements in various industrial setups.
