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- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
- 4J352(4J49)
- 4J350(4J50)
- 6J415(6J15)
- 6J420(6J20)
- 6J422(6J22)
- 6J423(6J23)
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Nickel-chromium Alloys Electric furnace wire Cr20Ni80
Overview
Cr20Ni80 Nickel-Chromium Alloy Electric Furnace Wire, with 80% high nickel content, sets the standard for high-temperature oxidation and corrosion resistance. Operating continuously at 1200°C (short-term peak 1300°C) and featuring low resistivity (1.04μΩ·m), it is engineered for household appliances (ovens, water heaters), industrial kilns, and renewable energy systems, delivering energy-efficient and ultra-durable heating performance.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................80.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.6g/cm³ |
Resistivity |
1.04 μΩ·m (20°C) |
Temperature Range |
Continuous Service 1200°C, Short-Term Peak 1300℃ |
Material Characteristics
● Ultra-High Nickel Content::
80% nickel enhances oxidation/carburization resistance for extended lifespan.
● Low-Temp Resistivity Stability:
Resistivity fluctuation <3% from -50°C to 1200°C.
● Rapid Thermal Response:
Optimized thermal conductivity increases heating efficiency by 20%.
Core Advantages
● Energy Savings:
15% lower resistivity than conventional alloys reduces power consumption.
● Maintenance-Free:
No grain boundary oxidation embrittlement at high temps.
● Broad Compatibility:
Works with PLC temperature controllers and AIoT smart devices.
Typical Applications
● Household Appliances: Electric Ovens, Tankless Water Heaters, Coffee Maker Heating Tubes
● Industrial Equipment: Powder Metallurgy Sintering Furnaces, Lithium Battery Kilns, Petrochemical Tube Furnaces
● Renewable Energy: Hydrogen Fuel Cell Heating Modules, Solar Wafer Annealing Furnaces
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1400 | ℃ |
Tensile Strength | ≥750 | MPa |
Elongation | ≥30 | % |
Surface Finish | Bright / Pre-Oxidized | - |
Thickness Range | 0.2-6.0 | mm |
Width Range | Customized |
Applicable Industries
● Household Appliances & Consumer Electronics
● Renewable Energy & Energy Storage
● Automotive & Aerospace
● Industrial Heat Treatment & Sintering
Packaging & Certifications
● Packaging:
Inert gas-filled + anti-static trays to prevent oxidation during transit.
● Certifications:
ISO 9001, UL Certification, IEC 60335-2-15 (Appliance Safety).
Why Choose Us?
● Vertical Integration:
All-in-one production from alloy smelting to wire drawing.
● Smart Selection Tool:
Online configurator for scenario-based product matching.
● Carbon Neutrality:
Green energy-powered production with carbon footprint reports.
Available Forms
We provide you with a variety of product forms, including but not limited to
● Strip & Foil
● Round Wire &Flat Wire
● Bar & Rod
● Electrothermal Strip
● Flange & Ring
● Wire & Welding
● Reststance Wire
● Electric Alloy Wire
● Electric Furnace Bar
● Customize
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