Eat Element 0.05-7.5mm Nickel Alloy Cr20Ni35 1390°C Melting Point With Stable Resistance
Eat Element Wire Diameter 0.05-7.5mm Nickel Alloy Cr20Ni35 1390°C Melting Point With Stable Resistance
Product Introduction
Cr20Ni35 Wire is a high resistance electric heating alloy wire containing 20% chromium and 35% nickel, with excellent high temperature stability and oxidation resistance. Its chemical composition also includes a small amount of carbon, silicon, manganese, phosphorus, sulfur and other elements. The resistivity of this alloy wire at room temperature is about 1.0-1.1μΩ·m, the melting point is about 1400℃, and the optimal operating temperature range is 800℃-1200℃. It is widely used in high temperature occasions such as electric heating elements and heat treatment equipment. It has good creep resistance and corrosion resistance, and is suitable for industrial environments exposed to high temperatures for a long time.
Size dimension range:
Wire: 0.01-10mm
Ribbons: 0.05*0.2-2.0*6.0mm
Strip: 0.05*5.0-5.0*250mm
NiCr series: Cr10Ni90,Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30
Parameter
Density: 7.7-8.1 g/cm³
Melting point: 1350-1390°C
Specific heat capacity: 0.46 J/g·K (20°C)
Resistivity: 1.10-1.25 μΩ·m (20°C)
Linear expansion coefficient: 14.0-15.5×10⁻⁶/K (20-1000°C)
Thermal conductivity: 12-14 W/m·K (20°C)
Temperature coefficient of resistivity: +0.00015/K
Working temperature: up to 1150°C
Long-term use temperature: 1000-1050°C
Tensile strength (Rm): 650-750 MPa
Elongation (A): 15-25%
Yield strength (Rp0.2): ≥350 MPa
Hardness (HB): 180-220
| Performance material | Cr20Ni35 | |
| Composición | Ni | 34.0～37.0 |
| Cr | 18.0～21.0 | |
| Fe | Rest | |
| Temperatura máxima℃ | 1100 | |
| Punto de fusion ℃ | 1390 | |
| Densidad g/cm3 | 7.9 | |
| Resistividad μΩ·m,20℃ | 1.00±0.05 | |
| Alargamiento a la ruptura | ≥20 | |
| Calor especifico J/g.℃ | 0.5 | |
| Conductividad térmica KJ/m.h℃ | 43.8 | |
| Coeficiente de expansión de líneas a×10-6/(20～1000℃) | 19 | |
| Estructura micrográfica | Austenite | |
| Propiedades magnéticas | Weak magnetic | |
| Form | Specification | |
| Wire | Diameter=0.025mm~8mm | |
| Flat wire | Width=0.40~6.0mm | Thick=0.03~0.50mm |
| Strip | width=8~250mm | Thick=0.05~3.0mm |
| Bar | Diameter=8~100mm | Long=50~1000 |
Specific Applications
- Precision resistors: Cr20Ni35 Wire's high resistivity and stable resistance characteristics make it a preferred material for manufacturing precision resistors and potentiometers. It ensures that the current and voltage in the circuit are maintained at precise levels, which is essential for the stable operation of electronic equipment.
- Temperature sensors: In the manufacture of temperature sensors, Cr20Ni35 Wire's temperature sensitivity and stability enable it to accurately sense and feedback temperature changes, providing accurate data for industrial control and scientific research monitoring.
- Corrosion-resistant equipment components: Cr20Ni35 Wire is used to build key components of chemical reactors and heat exchangers. It can not only withstand high temperatures, but also maintain corrosion resistance when facing various chemical media, ensuring the long-term stable operation of chemical processing equipment.
- High-temperature corrosion-resistant parts: In the aerospace field, Cr20Ni35 Wire is used to manufacture high-temperature components of engines. It can withstand extreme temperatures and pressures while maintaining good oxidation resistance and corrosion resistance to ensure flight safety.
Advantages and Characteristics
- High resistance and stability: The room temperature resistivity of Cr20Ni35 Wire is about 1.0-1.1 μΩ·m (20°C), and the resistivity gradually increases with the increase of temperature. Within the working temperature range (800°C-1200°C), the resistance change is relatively stable, and it has good creep resistance and oxidation resistance, making it suitable for electric heating elements in high temperature environments.
- Anti-oxidation and corrosion resistance: The alloy can form a dense chromium oxide protective layer at high temperatures, which effectively prevents further oxidation of the metal matrix. At the same time, it also shows good corrosion resistance in corrosive environments such as acids and alkalis, ensuring the long-term stability of material performance.
- High temperature adaptability: The melting point of Cr20Ni35 Wire is about 1350-1390°C, and the optimal working temperature range is 800°C-1200°C. Within this temperature range, the physical properties of the alloy show high stability, especially when used in electric heating equipment, it can maintain a stable resistance value for a long time.
Contact Us
Email:fbwlau@cnrunlai.com
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Support and Services:
Our Nichrome Alloy product comes with technical support and services to ensure optimal performance and customer satisfaction:
- Expert consultation on product selection and application
- Technical assistance for installation and maintenance
- Product testing and analysis for quality control
- Customized solutions for unique customer needs
- Training and education on product use and safety
We are committed to providing our customers with the highest level of support and service for our Nichrome Alloy product.
Packing and Shipping:
Product Packaging:
- The Nichrome Alloy product will be packaged securely in a durable cardboard box to ensure safe transport.
- The product will be wrapped in protective bubble wrap to prevent any damage during shipping.
- A label with the product name and details will be placed on the box for easy identification.
Shipping:
- The product will be shipped via a reputable courier service within 2 business days of receiving the order.
- Customers will receive a tracking number once the product has been shipped.
- Please allow 5-7 business days for delivery.
- If there are any issues with the product or shipping, please contact our customer service team for assistance.
Related Questions and Answers
Q: What are the physical properties of Cr20Ni35 Wire?
A: The resistivity of Cr20Ni35 Wire is about 1.0-1.1μΩ·m, the melting point is about 1350-1390°C, the applicable temperature range is 800°C-1200°C, the linear expansion coefficient is about 14.0-15.5×10⁻⁶/°C (20°C-1000°C), and the density is 7.7-8.1g/cm³.
Q: What are the mechanical properties of Cr20Ni35 Wire?
A: The tensile strength of Cr20Ni35 Wire at room temperature is 600-800 MPa, and the elongation is ≥20%. At high temperatures, especially in high temperature environments around 1000°C, it can still maintain good mechanical strength and resistivity.
Q: What are the characteristics of Cr20Ni35 Wire?
A: Cr20Ni35 Wire has high resistivity (about 1.0-1.1μΩ·m), good oxidation resistance and corrosion resistance, and can form a dense oxide film in a high temperature environment to effectively prevent further oxidation. Its tensile strength is usually between 600-800 MPa, and its elongation is ≥20%, and it can still maintain good mechanical properties at high temperatures.
Q: What are the main application areas of Cr20Ni35 Wire?
A: Cr20Ni35 Wire is widely used in electric heating equipment, heat treatment equipment, petrochemical industry, aerospace and other fields. Specific applications include industrial electric furnaces, electric heating pipes, heating wires for household electric heaters, high-temperature components of aircraft engines, etc.
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