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Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements

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    Buy cheap Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements from wholesalers
     
    Buy cheap Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements from wholesalers
    • Buy cheap Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements from wholesalers
    • Buy cheap Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements from wholesalers
    • Buy cheap Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements from wholesalers

    Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements

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    Brand Name : Senphus
    Model Number : 6J22/6J422
    Price :
    Payment Terms : T/T, D/P
    Supply Ability : 30 Tons per day
    Delivery Time : 3 days
    Certification : ISO9001
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    Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements

    Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution for Fine Resistance Elements


    Karma Ni-Cr-Al-Fe 6J22/6J422 is a precision resistance wire composed primarily of nickel (Ni), chromium (Cr), aluminum (Al), and iron (Fe). It is known for its high resistance, reliability, and long-lasting performance, making it ideal for various industrial and electrical applications where precise resistance control is needed.


    Karma alloy have common name Nikrothal L/Evanohm/Alloy 800, Karma alloy is made up of copper, nickel, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than manganin. It has lower temperature coefficient of resistance( TCR) , lower thermal EMF versus copper, good permanence of resistance for a long period of time and strong anti-oxidation. Its working temperature range is wider than manganin (-60~300 ). It is suitable for making fine precision resistance elements and strain.


    Chemical composition


    NameCodeMain Composition(%)Density (g/mm2)Standard
    CrAlFeNi
    Karma6J2219~212.5~3.22.0~3.0Bal.8.1JB/T 5328

    Propertises


    NameCodeResistivity(20℃)(μΩm)Temp.Coeff.Of Resistance (20℃)(α×10-6/℃)(0~100℃) Thermal EMF vs. Copper (μv/℃)Max. Working Temp. (℃)Elongation(%)Tensile Strength(N/mm2)Standard
    Karma6J221.33±0.07≤±20≤2.5≤300>7≥780JB/T 5328

    The tolerance of wires diameter, size range


     Diameter (mm)Tolerance
    Wires0.018~0.025±0.001
    0.028~0.055±0.003
    0.070~0.14±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.


    Kamar (6J22) Technical Data of wires


    Dia (mm)Cross-sectional area (mm2)Weight/meter (g/m)Resisitance/ meter at 20 ℃ (Ω/m)Dia (mm)Cross-sectional area (mm2)Weight/meter (g/m)Resisitance/ meter at 20 ℃ (Ω/m)
    0.0180.0002550.0020664707-57490.250.049090.397625.74-28.45
    0.0200.0003140.0025433810-46570.280.061580.498820.52-22.68
    0.0220.0003800.0030783149-38490.300.070690.572617.87-19.76
    0.0250.0004910.0039772439-29800.320.075480.611416.74-18.5
    0.0280.0006160.004991944-23760.330.085530.692814.78-16.33
    0.0300.0007070.0057271750-20150.380.11340.918511.13-12.31
    0.0320.0008040.0065121488-18190.400.12571.018210.05-11.11
    0.0350.0009620.0077921244-15210.410.1321.06929.57-10.57
    0.0400.0012570.01018953-11640.450.1591.2887.94-8.77
    0.0450.0015900.01288752.6-919.90.500.19631.5906.43-7.11
    0.0500.0019630.0159609.6-745.10.550.23761.92465.32-5.88
    0.0550.0023800.01928515.0-604.60.600.28272.28994.46-4.94
    0.0630.0031200.02527392.2-460.40.650.33182.68763.81-4.21
    0.0700.0038500.03119317.9-373.20.700.38483.11693.27-3.62
    0.0800.0050270.0407243.4-285.80.750.44183.57862.85-3.16
    0.0900.0063620.0515192.3-225.80.800.50274.07192.51-2.77
    0.1000.0078540.0636155.8-182.90.850.56744.59592.22-2.45
    0.1100.0098520.0798128.8-151.10.900.63625.15321.98-2.19
    0.1200.0122700.0994111.7-123.50.950.70885.74131.79-1.97
    0.1400.0153900.124782.08-90.721.000.78546.36171.60-1.77
    0.1500.0176700.143171.51-79.031.100.95037.69741.33-1.47
    0.1600.0201100.162962.84-69.461.120.98527.98011.28-1.42
    0.1700.0227000.183955.66-61.521.181.09368.85821.16-1.28
    0.1800.0254500.206149.65-54.881.201.3139.16111.11-1.23
    0.1900.0283500.229644.56-49.261.301.32710.74870.95-1.05
    0.2000.0314200.254540.22-44.451.401.53912.4660.82-0.90
    0.2120.0353000.285935.80-39.561.501.76714.31270.71-0.79
    0.2200.0380100.307933.24-36.741.602.01116.28910.63-0.69

    Some key features of 6J22 include:

    1. Composition: 6J22 is composed primarily of nickel, with significant amounts of chromium (around 20%), and smaller percentages of copper, manganese, silicon, and iron.
    2. Electrical Resistivity: This alloy has a high electrical resistivity, which is crucial for applications requiring precise resistance values.
    3. Temperature Coefficient of Resistance (TCR): 6J22 boasts a low TCR, ensuring that its resistance changes minimally with temperature fluctuations, thus maintaining stability in various environments.
    4. Corrosion Resistance: The high chromium content endows 6J22 with excellent corrosion resistance, particularly against oxidation and in acidic or alkaline conditions.
    5. Mechanical Properties: 6J22 exhibits good mechanical strength and ductility, allowing it to be shaped and manipulated for various applications without compromising its integrity.
    6. Thermal Stability: The alloy's resistance remains stable over a broad temperature range, making it suitable for high-temperature applications.
    7. Microstructure: 6J22 has a single-phase austenitic structure, which contributes to its excellent physical and chemical properties.

    This alloy's combination of high resistivity, low TCR, and corrosion resistance makes it a preferred choice in electronics, electrical engineering, and industries where precision and reliability are paramount.


    Applications:

    • Precision Resistance Elements: 6J22 is suitable for making precise resistance elements in various measuring instruments and meters due to its high resistivity and low temperature coefficient of resistance.
    • Micro Resistance Elements and Strain Gauges: The alloy is also used for manufacturing precise micro resistance elements and strain gauges, benefiting from its stability and resistance to oxidation.
    • Heating Elements: 6J22's resistance stability and high-temperature performance make it ideal for electric furnace heating elements and other applications requiring resistance to heat.
    • Compensation Leads: Given its low thermal electromotive force against copper, 6J22 is used in compensation leads for thermocouples to ensure accurate temperature measurements.
    • Electrical Measuring Instruments: The alloy's precision resistance characteristics make it widely used in electrical measuring instruments where measurement accuracy is crucial.


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