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Precision Alloys
- Wire
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
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- 1J485(1J85)
- 4J332(4J32)
- 4J332A(4J32A)
- 4J328(4j34)
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- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
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- 6J415(6J15)
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- 6J520(6J27)
- 6J525(6J28)
- Flat Wire
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 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)
- 6J422(6J22)
- 6J423(6J23)
- 6J424(6J24)
- 6J425(6J25)
- 6J426(6J26)
- 6J520(6J27)
- 6J525(6J28)
- Flat Strip
- 1J330(1J30)
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- 1J338(1J38)
- 1J350(1J50)
- 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)
- 6J422(6J22)
- 6J423(6J23)
- 6J424(6J24)
- 6J425(6J25)
- 6J426(6J26)
- 6J520(6J27)
- 6J525(6J28)
- Bar
- 1J330(1J30)
- 1J331(1J31)
- 1J332(1J32)
- 1J338(1J38)
- 1J350(1J50)
- 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)
- 6J422(6J22)
- 6J423(6J23)
- 6J424(6J24)
- 6J425(6J25)
- 6J426(6J26)
- 6J520(6J27)
- 6J525(6J28)
- Wire
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Nickel-chromium Alloys Wire Cr25Ni20
Overview
Cr25Ni20 nickel chromium alloy round wire is a high-performance material designed for high-temperature applications. With excellent oxidation resistance and thermal stability, it is widely used in electric heating elements, industrial furnaces, and resistance heating systems. Its durability ensures reliable performance in extreme environments.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................25.0
Nickel(Ni).........................................................................................................................................20.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 7.9g/cm³ |
Resistivity |
1.12 μΩ·m (20℃) |
Temperature Range |
Continuous Service 1000℃~1200℃, Short-Term Peak 1250℃ |
Key Advantages
● Superior Oxidation Resistance:
High chromium content (25% Cr) forms a dense Cr₂O₃ oxide layer, significantly reducing high-temperature oxidation rate.
● Long Service Life:
Stable mechanical strength and excellent creep resistance under high temperatures, extending component replacement intervals.
● Broad Compatibility:
Suitable for both oxidizing and neutral atmospheres, ideal for industrial furnaces and heat treatment systems.
Typical Applications
● Industrial Heating Elements:
Resistance wires and heating elements for metallurgical annealing furnaces, ceramic sintering kilns, and glass melting furnaces.
● Heat Treatment Equipment:
Radiant tubes for continuous heat treatment furnaces, muffle furnace linings.
● High-Temperature Sensors:
Thermocouple protection sheaths, conductive components in extreme heat.
Material Characteristics
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1400-1420 | ℃ |
Tensile Strength | ≥650 | MPa |
Elongation | ≥20 | % |
Surface Finish | Bright/Oxidized | - |
Diameter Range | 0.1-6.0 | mm |
Target Industries
● Metallurgy
● Ceramics & Glass Manufacturing
● Chemical Processing
● Heat Treatment & Foundry
Packaging & Certifications
● Packaging:
Moisture-proof spools/wooden cases, custom lengths (≤500m/coil).
● Certifications:
ASTM B344, IEC 60216, RoHS Compliance.
Why Choose Cr25Ni20?
● 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.
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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