
Cupronickel Heating Resistance 220V Oven Design Cu70ni30 Wire/Strip
Product Introduction
High quality embodies our dignity and excellent service makes our Boiler Water Heating Element, adjustable bimetal thermostat switch, Nozzle Heater Bands unimpeded in every corner of the world. In the major industries and their markets, we continue to improve our competitive strengths in technology, quality, brand, and service through continuous innovation, giving full play to our strengths and relying on them to win customers and respect. We constantly update the knowledge and ability of management and technical personnel to provide customers with high quality service. Under the background of global economy, the ability of product innovation and design with independent intellectual property rights is an important part of our core competitiveness. We actively promote the application of high-efficiency, energy-saving, and environmentally-friendly new technologies and processes, to practice green development.
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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Our company has advanced equipment, excellent production technology, advanced design concept, and can customize various Cupronickel Heating Resistance 220V Oven Design Cu70ni30 Wire/Strip. We take it as our corporate mission to let the brand influence more people, and we are committed to creating more products that satisfy our customers. We constantly optimize the product structure, design and manufacture products according to the requirements and characteristics of different industries to meet the needs of different levels of customers.
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SPEC DATA
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