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- 1J350(1J50)
- 1J479(1J79)
- 1J485(1J85)
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- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
- 4J352(4J49)
- 4J350(4J50)
- 6J415(6J15)
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- 6J423(6J23)
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- 6J425(6J25)
- 6J426(6J26)
- 6J520(6J27)
- 6J525(6J28)
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- 1J330(1J30)
- 1J331(1J31)
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- 1J479(1J79)
- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
- 4J352(4J49)
- 4J350(4J50)
- 6J415(6J15)
- 6J420(6J20)
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- 6J425(6J25)
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- 1J330(1J30)
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- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
- 4J352(4J49)
- 4J350(4J50)
- 6J415(6J15)
- 6J420(6J20)
- 6J422(6J22)
- 6J423(6J23)
- 6J424(6J24)
- 6J425(6J25)
- 6J426(6J26)
- 6J520(6J27)
- 6J525(6J28)
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Nickel-chromium Alloys Wire Cr20Ni80
Overview
Cr20Ni80 is a high-performance nickel-chromium alloy composed of 80% nickel (Ni) and 20% chromium (Cr). It offers excellent high-temperature oxidation resistance, corrosion resistance, and stable electrical resistivity, widely used in high-temperature heating elements, industrial furnaces, and household appliances.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Nickel(Ni).........................................................................................................................................80.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.4g/cm³ |
Resistivity |
1.09 ±0.05 Ω·mm²/m (20°C) |
Temperature Range |
Continuous Service 1150℃, Short-Term Peak 1200℃ |
Key Advantages
● High resistivity:
Stable resistivity (approx. 1.09 Ω·mm²/m), ideal for electric heating applications.
● Anti-oxidation and corrosion resistance:
Outstanding oxidation and corrosion resistance even at high temperatures (≤1200°C).
● High-temperature stability:
Retains mechanical strength and dimensional stability under prolonged high-temperature operation.
● Long life:
Long service life due to high-temperature resistance, outperforming conventional alloys.
● Easy machinability:
Easily processed into wires, coils, and other forms.
Typical Applications
● Electric heating equipment:
Furnaces, ovens, heating tubes, industrial heating elements.
● Industrial fields:
Glass manufacturing, ceramic sintering, chemical reactors..
● Laboratory equipment:
High-temperature instruments and precision temperature control systems.
Material Characteristics
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1380 | ℃ |
Tensile Strength | ≥650 | MPa |
Elongation | ≥20 | % |
Surface Finish | Bright Annealed/Oxidized Surface | - |
Diameter Range | 0.03-8.0 | mm |
Advantages
● High efficiency:
Enhanced heating performance with reduced energy consumption.
● Reliability
Stable performance in harsh conditions, minimizing downtime.
● Cost-effectiveness
Extended lifespan reduces maintenance and replacement costs.
Packaging & Certifications
● Packaging:
Moisture-proof spools/wooden cases, custom lengths (≤500m/coil).
● Certifications:
ASTM B344, IEC 60216, RoHS Compliance.
Why Choose Cr20Ni80?
● Cost-Effective:
Outstanding price-performance ratio among high-temperature alloys, ideal for large-scale industrial heating.
● Customization:
Available in non-standard diameters, surface finishes, and specialized annealing processes.
Precautions
1.Avoid prolonged use in sulfur- or chlorine-containing corrosive atmospheres.
2.Prevent mechanical damage or excessive bending during installation.
3.Store in a dry environment to prevent oxidation and contamination.
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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