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Nickel-chromium Alloys Flat Wire Cr20Ni80
Overview
Cr20Ni80 Nickel-Chromium Alloy Flat Wire is engineered for extreme high-temperature and high-resistivity applications, offering superior oxidation resistance, creep resistance, and stable resistivity (1.09 μΩ·m) with a temperature range up to 1200°C. Featuring tensile strength ≥750 MPa and elongation ≥25%, it supports customizable surface finishes (bright annealed/pickled) and precision dimensions (thickness 0.1-10mm, width 5-150mm). Ideal for industrial furnaces, new energy batteries, household appliances, and aerospace heating systems.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................80.0
Fe & trace elements
Material Characteristics
Density |
about 8.4g/cm³ |
Resistivity |
1.09 μΩ·m (20°C) |
Temperature Range |
Continuous Service ≤1200℃, Short-Term Peak ≤1000℃ |
Material Properties
● Ultra-High Temp Resistance:
Stable up to 1200°C, short-term tolerance to 1350°C.
● Oxidation & Creep Resistance:
Dense oxide layer prevents deformation.
● High Resistivity:
1.09 μΩ·m (20°C) for efficient energy conversion.
● Custom Surface Finish:
Bright annealed, pickled, or tailored roughness.
Core Advantages
● Precision Sizing:
Thickness 0.1-10mm, width 5-150mm (±0.01mm tolerance).
● Extended Lifespan:
Superior thermal fatigue resistance.
● Eco-Compliance:
RoHS, REACH, ISO 9001 certified.
Typical Applications
● Industrial Furnaces:
Heat treatment wires, glass melting heaters.
● New Energy:
EV battery heaters, hydrogen fuel cell ribbons.
● Household Appliances:
Electric cooker discs, oven heating strips.
● Aerospace:
Engine test bench heaters, satellite thermal control.
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1400-1430 | ℃ |
Tensile Strength | ≥750 | MPa |
Elongation | ≥25 | % |
Surface Finish | Bright Annealed / Pickled | - |
Thickness Range | 0.1-10.0 | mm |
Width Range | 5-150 | mm |
Target Industries
● Industrial High-Temp Systems
● New Energy Vehicles & Storage
● Household & Consumer Electronics
● Aerospace & Defense
Packaging & Certifications
● Anti-Oxidation Packaging:
Vacuum-sealed with inert gas.
● Certifications:
ISO 9001, RoHS, REACH, SGS, MSDS reports.
Why Choose Us?
● Industry Leadership:
20+ years in NiCr alloy R&D and consulting.
● Rapid Delivery:
48-hour shipping for standard sizes, 7-14 days for custom orders.
● Global Support::
Serving 60+ countries with localized technical assistance.
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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