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- 4J329(4J29)
- 4J336(4J36)
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- 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)
- 6J424(6J24)
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Nickel-chromium Alloys Electrothermal strip Cr20Ni35
Overview
Cr20Ni35 Nickel-Chromium Alloy Electrothermal Strip is a premium heating element engineered for extreme temperatures and harsh environments. With an optimized composition of 20% chromium (Cr) and 35% nickel (Ni), it delivers ultra-high temperature resistance (up to 1300°C), superior oxidation resistance, and extended durability. Widely used in industrial furnaces, semiconductor manufacturing, and new energy battery drying systems, it ensures precise and stable thermal performance. Customizable designs available for complex applications.
Limiting Chemical Composition, %
Chromium(Cr)..................................................................................................................................20.0
Aluminum(Ni)..................................................................................................................................35.0
Balance Iron (Fe) & Trace Elements
Material Characteristics
Density |
about 8.4g/cm³ |
Resistivity |
1.1~1.3µΩ·m(在20°C时) |
Temperature Range |
Continuous Service 300℃~1250℃, Short-Term Peak 1300℃ |
Material Properties
● Ultra-High Temperature Performance:
Stable operation up to 1300°C.
● Enhanced Oxidation Resistance:
High nickel content improves oxide layer durability.
● Low Resistivity Drift:
Stable resistivity of 1.18±0.03 Ω·mm²/m.
● Chemical Corrosion Resistance:
Resists acids, alkalis, and reducing gases.
Core Advantages
● Extreme Temperature Tolerance:
10% higher than Cr20Ni30 models.
● Extended Lifespan:
30% slower oxidation degradation.
● Rapid Thermal Response:
Suitable for vacuum, inert gas, and harsh industrial conditions.
● Flexible Customization:
Custom shapes and multi-layer structures.
Technical Specifications
Parameter | Numeric | Unit |
---|---|---|
Melting Point | 1300-1390 | ℃ |
Tensile Strength | 500-800 | MPa |
Elongation | 15–40 | % |
Surface Finish | Polished/Machined | - |
Diameter Range | 0.3-6.0(supports ultra-thin/thickened) | mm |
Typical Applications
● High-Temp Industrial Furnaces: Ceramic sintering, glass melting, metal heat treatment.
● Semiconductor Manufacturing: Wafer processing, vacuum deposition systems.
● New Energy: Fuel cell stack heating, lithium battery electrode drying.
● Research Equipment: High-temperature reactors, vacuum testing systems.
Applicable Industries
● Heavy Industry & Metallurgy
● Appliances & Consumer Electronics
● New Energy & Electric Vehicles
● Advanced Laboratories & Research
● Aerospace & Defense
Packaging & Certifications
● Packaging:
Anti-static + anti-oxidation double-layer packaging with custom pallets.
● Certifications:
RoHS, ISO 9001, IEC 60068 compliant.
Why Choose Cr20Ni35?
● Technical Excellence:
99.95% purity via vacuum melting technology.
● Global Experience:
Served 100+ multinational clients in EU, USA, Japan, Korea.
● End-to-End Support:
Dedicated technical team from design to after-sales.
● Eco-Friendly:
Meets global environmental regulations for sustainable production.
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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