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Precision Alloys
- Wire
- 1J330(1J30)
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- 1J332(1J32)
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- 1J485(1J85)
- 4J332(4J32)
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- 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
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Nickel-chromium Alloys Flat Strip Cr20Ni30
Overview
Cr20Ni30 Nickel-Chromium Alloy Strip is a high-nickel alloy with 20% chromium and 30% nickel, offering superior high-temperature oxidation resistance, corrosion resistance, and stable high resistivity. Ideal for electric heating elements, high-temperature furnace components, and chemical processing equipment. Customizable thickness (0.05-6mm) and width (5-600mm) to meet demanding industrial applications.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................30.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.1g/cm³ |
Resistivity |
1.15 μΩ·m (20°C) |
Temperature Range |
-50°C ~ 1150°C |
Temperature Range |
Continuous Service ≤1100°C, Short-Term Peak ≤1200°C (≤24小时) |
Material Properties
● High-Temperature Stability:
Long-term service up to 1150°C with excellent oxidation resistance.
● Corrosion Resistance:
Resistant to chlorides, sulfides, and weak acid environments.
● Electrical Properties:
High resistivity for efficient electric heating applications.
Core Advantages
● High-Temperature Dimensional Stability:
Maintains shape under thermal stress, extending equipment lifespan.
● Versatile Processing:
Compatible with stamping, welding, and coiling processes.
● Cost-Effective:
High performance-to-cost ratio with reduced maintenance.
Typical Applications
● Electric Heating Systems
Industrial furnace wires, household heaters, resistance bands.
● High-Temperature Industry
Heat treatment furnace linings, glass manufacturing equipment, heat exchangers.
● Chemical & Energy
Reactors, corrosion-resistant parts in nuclear power systems.
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1380-1400 | ℃ |
Tensile Strength | ≥550 | MPa |
Elongation | ≥35 | % |
Surface Finish | Bright / Matte / Annealed | - |
Thickness Range | 0.05-6.0 | mm |
Width Range | 5-600 | mm |
Applicable Industries
● Electric Heating Manufacturing
● Chemical & Petrochemical
● Energy & Nuclear Power
● Household Appliance
Packaging & Certifications
● Packaging:
Moisture-proof wooden/steel crates with anti-oxidation film and edge protection.
● Certifications:
ISO 9001, RoHS, ASTM B346, EN 10095 compliant.
Why Choose Cr20Ni30?
● Optimized Composition:
High nickel content enhances corrosion and thermal resistance.
● Global Delivery:
Fast turnaround for urgent orders and custom specifications.
● Expert Support:
Material test reports and technical guidance available.
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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