
Cupronickel Copper-Nickel Alloys CuNi1 Constantan Heating Resistance Wire
Product Introduction
We use professional testing equipment, strict testing of products to ensure that heating wire, oven heating coils, Tubular Heater meet the standards. By adhering to high quality products and services, we will never lower product standards to participate in the cheap competition. Our brave and innovative staff will rely on strong scientific and technological strength, excellent product quality, and strive to build the enterprise into a full range of solution experts. We are good at accounting, brave to innovate, build a win-win situation, and maximize the value of our partners, and it is our honor to let us contribute to the development of your company. We have been praised by our customers and have been expanding to more areas with good momentum.
Description
Heating Resistance Wire Strip and Alloy heating wire is Ferro-Chrome (Fe-Cr-AL) heating resistance wire, Nickel-Chrome (Nichrome) heating resistance wire, Copper Nickel (Constantan) wire, and related products in alloys to meet specific customer requirements.
1) High electrical resistivity
2) Good corrosion resistance under high temperature
3)0Cr21Al4/ 0Cr25Al5/ 0Cr23Al5/ 0Cr21Al6NbCo/ 0Cr27Al7Mo2/ KSC/Cr20Ni80/ Cr15Ni60/ Cr20Ni35/ Cr20Ni30

Specifications
Properties /Grade | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 |
Ni | Rest | Rest | 58-62 | 34.0-37.0 | 30.0-34.0 |
Cr | 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 |
Max Working Temp (℃) | 1200 | 1250 | 1150 | 1100 | 1100 |
Resisivity 20 (Ωm㎡/m) | 1.14±0.05 | 1.13±0.05 | 1.13±0.05 | 1.04±0.05 | 1.04±0.05 |
Density (g/cm³) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 |
Thermal Conductivity (KJ/m.h.℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
Coefficient of Thermal Expansion (α x10-6/℃) | 18 | 17 | 17 | 19 | 19 |
Melting Point (℃) | 1400 | 1380 | 1390 | 1390 | 1390 |
Elongation(%) | >20 | >20 | >20 | >20 | >20 |
Micrographic Structure | austenite | austenite | austenite | austenite | austenite |
Magnetic Property | nonmagnetic | weak nonmagnetic | |||
Raw Materials

Production Pictures
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We are confident enough to bring more profits to our company with high quality Cupronickel Copper-Nickel Alloys CuNi1 Constantan Heating Resistance Wire at a reasonable price. Our company has introduced advanced processing equipment at home and abroad. We should not only make good products, but also lead the industry and serve the world. We adhere to scientific and technological innovation, based on the market, master the ability of technical analysis and form an intuitive understanding of market information.
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