- Fe-Cr-Al Alloys
- Nickel-chromium Alloys
- Cn/Mn-Cu Alloys
- Cu-Ni Alloys
-
Precision Alloys
- 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 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)
- 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)
- 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
- Ni-Al Alloys
- Pure Nickel Alloys
- Monel Alloys
- Hastelloy Alloys
- Inconel Alloys
- Incoloy Alloys
- Haynes Alloys
Nickel-chromium Alloys Bar Cr25Ni20
Overview
Cr25Ni20 Nickel-Chromium Alloy Bar is a premium material designed for extreme high-temperature and corrosive environments, offering excellent oxidation resistance, high mechanical strength, and long-term thermal stability. Widely used in industrial furnaces, heat treatment equipment, aerospace, and chemical industries, it is the ideal choice for structural components and heating elements in high-temperature applications.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................25.0
Aluminum(Ni)..................................................................................................................................20.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 7.9g/cm³ |
Resistivity |
1.12 μΩ·m (20°C) |
Temperature Range |
Continuous Service 1100°C, Short-Term Peak 1250°C |
Material Properties
● Oxidation Resistance:
Maintains surface stability under prolonged use up to 1200°C.
● Corrosion Resistance:
Resists acidic media (e.g., sulfuric acid, nitric acid) and alkaline environments.
● High-Temperature Strength:
Retains excellent tensile strength and creep resistance at elevated temperatures.
Core Advantages
● Long Service Life:
Reduces maintenance frequency and overall costs.
● Versatility:
Suitable for high-temperature structural parts, heating elements, and corrosion-resistant components.
● Processing Compatibility:
Compatible with forging, machining, welding, and other processes.
Typical Applications
● Industrial Furnaces:
Furnace rollers, radiant tubes, burner nozzles.
● Chemical Equipment:
Reactor linings, heat exchanger tubes.
● Aerospace:
Turbine blade supports, high-temperature fasteners.
Technical Parameters
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1400-1450 | ℃ |
Tensile Strength | ≥520 | MPa |
Elongation | ≥30 | % |
Surface Finish | Bright / Pickled | - |
Thickness Range | 10.0-200.0 | mm |
Width Range | 20-500 | mm |
Applicable Industries
● Petrochemical
● Power & Energy
● Aerospace
● Heat Treatment Equipment
● Glass Manufacturing
Packaging & Certifications
● Packaging:
Moisture-proof wooden crates with shockproof lining.
● Certifications:
Compliant with ASTM B166, ISO 9723; material test reports available.
Why Choose Cr25Ni20?
● Globally Recognized:
Compliant with international standards for assured quality.
● Customization:
Tailored dimensions and surface finishes available.
● Technical Support:
Expert guidance on material selection and processing.
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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