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Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing

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    Buy cheap Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing from wholesalers
     
    Buy cheap Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing from wholesalers
    • Buy cheap Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing from wholesalers
    • Buy cheap Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing from wholesalers
    • Buy cheap Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing from wholesalers

    Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing

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    Brand Name : Senphus
    Model Number : Cr20Ni80/80Ni20Cr/NiCr8020 stranded alloy wire
    Certification : ISO9001
    Payment Terms : T/T,D/P
    Supply Ability : 30 Tons per day
    Delivery Time : 3 days
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    Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing

    Cr20Ni80 / 80Ni20Cr / NiCr8020 Durable Alloy Wire Strand For Electric Power Generation And Chemical Processing


    Cr20Ni80 (80Ni20Cr / NiCr8020) alloy wire strand is a high-performance nickel-chromium alloy known for its excellent electrical resistance, high-temperature strength, and oxidation resistance. Comprising approximately 80% nickel and 20% chromium, this alloy is widely used in electrical heating elements, industrial furnaces, and resistors. It offers superior resistance to corrosion and thermal fatigue, making it ideal for demanding applications requiring stable performance at elevated temperatures. The alloy exhibits a high melting point (~1400°C) and maintains mechanical integrity in harsh environments. Its excellent ductility and workability allow for easy fabrication into various forms, including stranded wire for enhanced flexibility and strength. Commonly used in heating cables, resistance wire, and industrial heating systems, NiCr8020 provides reliable and long-lasting performance. Its low thermal expansion and resistance to oxidation make it a preferred choice for high-temperature applications across multiple industries, including aerospace, automotive, and electronics.


    Chemical Composition Wt.% Cr20Ni80%NiFeCSiMnPSCrAl
    Min


    0.75


    20
    MaxRest10.081.60.60.020.015230.5


    Trade Code

    GBJISASTMDIN EN/DINGOST
    Cr20Ni80NCHW-1
    NCHR-1
    80Ni20CrNiCr8020Х20Н80-Н


    Main characteristics of Ni-Cr and Ni-Cr-Fe electric heating alloys

    Type Performance

    Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni80Cr20Ni30Cr25Ni20
    Main Chemical compositionNiRest55.0-61.034.0-37.0Rest30.0-34.019.0-22.0
    Cr28.0-31.015.0-18.018.0-21.020.0-23.018.0-21.024.0-26.0
    Fe≤ 1.0RestRest≤ 1.0RestRest
    Max. continuous service temp. of element (℃)125011501100120011001050
    Resistivity at 20 ℃(μΩm)1.18±0.051.12±0.051.04±0.051.09±0.051.06±0.050.95±0.05
    Density(g/cm3)8.108.207.908.407.907.15
    Thermal condyctivity (KJ/m·h·℃)45.245.243.860.343.843.8
    Coefficient of lines expansion (α×10-6/℃)17.017.019.018.019.019.0
    Melting point (approx.)(℃)138013901390140013901400
    Elonation at rupture(%)>20>20>20>20>20>20
    Micrographic structureAusteniteAusteniteAusteniteAusteniteAusteniteAustenite
    Magnetic propertiesNon-magneticLow-magneticLow-magneticNon-magneticLow-magneticNon-magnetic
    Note:The various grades of electric resistance alloy material are blended with the amountof rare earth, titanium and other trace elements, to improve the processing performance andextend the period of the uselife.


    Cr20Ni80 / 80Ni20Cr / NiCr8020 Alloy Wire Strand – Key Features

    1. High-Temperature Resistance

    • Withstands temperatures up to 1200°C (2192°F), making it ideal for heating elements.

    2. Excellent Electrical Resistivity

    • Resistivity of ~1.09 Ω·mm²/m, ensuring stable and consistent electrical performance.

    3. Superior Oxidation & Corrosion Resistance

    • High nickel content provides strong resistance to oxidation in high-temperature environments.
    • Resistant to chemical corrosion, making it suitable for harsh conditions.

    4. High Mechanical Strength & Ductility

    • Maintains structural integrity under thermal cycling.
    • Offers good formability and ease of processing.

    5. Long Service Life

    • Excellent creep resistance and thermal stability ensure extended lifespan in demanding applications.

    6. Wide Range of Applications

    • Used in resistance heating elements, industrial furnaces, home appliances, and electronic components.


    Applications:

    Cr20Ni80 (also known as 80Ni20Cr or NiCr8020) is a high-resistance nickel-chromium alloy widely used in various industrial applications due to its excellent electrical resistance, oxidation resistance, and high-temperature performance. Here are some of its key applications when used as a wire strand:

    1. Electrical Heating Elements

    • Commonly used in heating elements for industrial furnaces, kilns, and ovens.
    • Found in electric heating pads, hair dryers, and toasters.
    • Suitable for cartridge heaters and tubular heating elements in household and commercial applications.

    2. Resistors and Electrical Components

    • Used in precision resistors due to its stable electrical resistance.
    • Applied in shunt resistors and load banks for industrial and automotive purposes.
    • Used in voltage dividers and current sensors.

    3. Aerospace & Automotive Applications

    • Employed in high-temperature sensors, including thermocouples (typically as the "negative" leg in Type K and E thermocouples).
    • Used in aircraft and automotive exhaust systems that require high-heat resistance.

    4. Hot Cutting Wires

    • Used in foam cutting machines for precise cutting of polystyrene (EPS, XPS) and other materials.
    • Employed in hot wire cutters for shaping wax, rubber, and plastics.

    5. Glass and Ceramics Industry

    • Found in glass melting electrodes and ceramic kilns.
    • Used in furnaces that process glass and ceramic materials at high temperatures.

    6. Industrial and Laboratory Equipment

    • Applied in hot air dryers and temperature-controlled chambers.
    • Used in lab furnaces and controlled-environment heating applications.

    7. Corrosion-Resistant Applications

    • Suitable for marine and chemical industry applications where oxidation and corrosion resistance are required.
    • Used in high-humidity or high-temperature environments that would degrade other materials.

    8. Medical and Scientific Devices

    • Found in specialized lab heating equipment.
    • Used in biomedical research instruments that require precise heat control.

    Because of its superior mechanical properties, NiCr8020 wire strands are ideal for applications that require long service life, resistance to thermal cycling, and stable electrical performance.


    Technical data of wires

    Dia. (mm)Cross-sectional area (mm²)Weight/Meter (g/m)Resistance/Meter at 20 ℃ (Ω/m)Dia. (mm)Cross-sectional area (mm²)Weight/Meter (g/m)Resistance/Meter at 20 ℃ (Ω/m)
    0.0180.0002550.0021173410-46100.250.049090.407420.88-23.54
    0.0200.0003140.0026062940-37400.280.061580.511116.64-18.76
    0.0220.0003800.0031542440-31000.300.070690.586714.49-16.35
    0.0250.0004910.0040751880-24000.320.075480.626512.74-14.36
    0.0280.0006160.0051131530-18700.330.085530.709912.20-13.40
    0.0300.0007070.0058681338-16960.380.11340.94129.13-10.09
    0.0320.0008040.0066731180-14400.400.12571.04338.24-9.108
    0.0350.0009620.007985981-12000.410.1321.09567.68-8.89
    0.0400.0012570.01043780.7-954.10.450.1591.31976.51-7.196
    0.0450.001590.0132594-7260.500.19631.62935.273-5.829
    0.0500.0019630.01629499.6-610.60.550.23761.97214.518-4.994
    0.0550.002380.01975407-4770.600.28272.34643.797-4.197
    0.0630.003120.02590321.41-377.310.650.33182.75393.235-3.575
    0.0700.003850.03196260.5-305.90.700.38483.19382.789-3.083
    0.0800.0050270.04172199.5-234.10.750.44183.66692.43-2.686
    0.0900.0063620.0528157.6-185.00.800.50274.17242.136-2.36
    0.1000.0078540.0652127.7-149.90.850.56744.70941.891-2.091
    0.1100.0098520.08177105.5-123.90.900.63625.28051.687-1.865
    0.1200.012270.101888.67-104.10.950.70885.8831.46-1.62
    0.1400.015390.127765.85-75.771.000.78546.51881.367-1.511
    0.1500.017670.146756.75-66.631.100.95037.88751.13-1.26
    0.1600.020110.0166950.42-58.001.120.98528.17721.05-1.17
    0.1700.0227000.188444.18-51.861.181.09369.07690.95-1.05
    0.1800.025450.211240.26-45.401.201.31310.89790.79-0.87
    0.1900.028350.235335.37-41.531.301.32711.01410.78-0.86
    0.2000.031420.260832.62-36.781.401.53912.77370.70-0.77
    0.2120.0353000.293028.41-33.351.501.76714.66610.60-0.67
    0.2200.038010.315526.65-30.391.602.01116.89240.52-0.58



    The tolerance or wires diameter

    WiresDia.(mm)Tolerance
    0.018-0.025±0.001
    0.028-0.035±0.0015
    0.040-0.055±0.002
    0.070±0.0025
    0.08-0.10±0.003
    0.11-0.14±0.004
    0.16-0.20±0.005
    0.22-0.25±0.006
    0.28-0.30±0.007
    0.32-0.40±0.01
    0.41-0.50±0.015
    0.55-0.80+0.02/-0.03
    0.85-1.00+0.02/-0.03
    1.10-1.50±0.03
    Note:special specification can be produced as per client's request.


    Technical data of ribbon

    Thickness × Width(mm)Resistance/meter(20 ℃) (Ω/m)Surface area/ohm (20℃) (cm2/Ω)Weight/meter (g/m)Surface area/meter (cm2/m)
    0.09x2.55.279.841.7251.8
    0.08x0.2740.07560.1225.6
    0.08x0.349.40.1540.1837.6
    0.08x0.4370.2590.2449.6
    0.08x0.529.60.3920.30511.6
    0.08x0.624.70.5510.36713.6
    0.08x0.721.20.7370.42815.6
    0.08x0.818.50.9510.48917.6
    0.08x0.916.51.190.5519.6
    0.08x1.014.81.460.61121.6
    0.08x1.212.32.070.73325.6
    0.08x1.59.873.20.91631.6
    0.08x1.88.234.571.137.6
    0.08x2.07.45.621.2241.6
    0.07x0.284.60.06380.1075.4
    0.07x0.356.40.1310.167.4
    0.07x0.442.30.2220.2149.4
    0.07x0.533.90.3370.26711.4
    0.07x0.628.20.4750.32113.4
    0.07x0.724.20.6370.37415.4
    0.07x0.821.20.8220.42817.4
    0.07x0.918.81.030.48119.4
    0.07x1.016.91.260.53521.4
    0.07x1.214.11.80.64125.4
    0.07x1.511.32.780.80231.4
    0.06x0.298.70.05270.09165.2
    0.06x0.365.80.1090.1377.2
    0.06x0.449.40.1860.1839.2
    0.06x0.539.50.2840.22911.2
    0.06x0.632.90.4010.27513.2
    0.06x0.728.20.5390.32115.2
    0.06x0.824.70.6970.36717.5
    0.06x0.921.90.8750.41219.2
    0.06x1.019.71.070.45821.2
    0.06x1.216.51.530.5525.2
    0.05x0.21180.04220.07645.00
    0.05x0.3790.08860.1157.00
    0.05x0.459.20.1520.1539.00
    0.05x0.547.40.2320.19111.00
    0.05x0.639.50.3290.22913.00
    0.05x0.733.90.4430.26715.0
    0.05x0.829.60.5740.30517.0
    0.05x0.916.30.7220.34419.0
    0.05x1.023.70.8860.38221.0
    Ribbon is rolled by the wire, the actual cross-sectional area of the ribbon is smaller 8% than calculated by the rectangular.






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