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- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
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- 4J350(4J50)
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- 4J332A(4J32A)
- 4J328(4j34)
- 4J329(4J29)
- 4J336(4J36)
- 4J342(4J42)
- 4J343(4J43)
- 4J352(4J49)
- 4J350(4J50)
- 6J415(6J15)
- 6J420(6J20)
- 6J422(6J22)
- 6J423(6J23)
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Nickel-chromium Alloys Flat Strip Cr20Ni35
Overview
Cr20Ni35 Nickel-Chromium Alloy Strip is an advanced alloy with 35% nickel and 20% chromium, engineered for extreme high-temperature, corrosive environments, and high-resistivity applications. It delivers exceptional oxidation resistance, acid/alkali corrosion resistance, and stable electrical properties. Ideal for electric heating elements, chemical reactors, and nuclear power systems. Customizable thickness (0.05-8mm) and width (5-800mm) for precision industrial requirements.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................35.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.2g/cm³ |
Resistivity |
1.18 μΩ·m (20°C) |
Temperature Range |
-50°C ~ 1250°C |
Temperature Range |
Continuous Service ≤1150°C, Short-Term Peak ≤1300°C (≤24小时) |
MMaterial Properties
● Extreme Corrosion Resistance:
Resists concentrated sulfuric acid, hydrochloric acid, and high-temperature chlorides, suitable for harsh chemical and nuclear environments.
● High-Temperature Stability:
Approximately 1400°C, ensuring stability in extreme conditions.
● Superior Electrical Properties:
Stable resistivity for precision electric heating components.
Core Advantages
● Extended Lifespan:
Minimizes material degradation and replacement in high-temperature
● Versatile Compatibility:
Suitable for diverse applications, from household appliances to nuclear plants.
● Precision Processing:
Compatible with laser cutting, micro-welding, and complex shaping.
Typical Applications
● Electric Heating
High-temperature resistance wires, industrial furnace heating bands, semiconductor equipment.
● Chemical & Nuclear
Reactor linings, nuclear coolant components, acid transfer pipelines.
● Advanced Manufacturing
Aerospace engine heat shields, solar thermal energy storage systems.
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1390-1410 | ℃ |
Tensile Strength | ≥580 | MPa |
Elongation | ≥40 | % |
Surface Finish | Bright/Matte/Polished/Annealed | - |
Thickness Range | 0.05-8.0 | mm |
Width Range | Customized |
Applicable Industries
● Nuclear Power & Energy Engineering
● Advanced Chemical Processing
● Aerospace & Defense
● Semiconductor & Electronics
Packaging & Certifications
● Packaging:
Vacuum-sealed moisture-proof bags + reinforced wooden crates to prevent oxidation and damage.
● Certifications:
ISO 9001, ASME SB-344, RoHS, Nuclear Quality Assurance (NQA-1).
Why Choose Cr20Ni35?
● Scientific Composition:
Optimized Ni/Cr ratio outperforms standard alloys in corrosion and thermal resistance.
● Global Supply Chain:
24/7 support for small to bulk orders with fast turnaround.
● Full-Cycle Service:
One-stop solutions from material selection to post-sale testing.
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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