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China factory - Jiangyin Chengxin Alloy Material Co., Ltd ，

Jiangyin Chengxin Alloy Material Co., Ltd ，

  • China,Changzhou ,Jiangsu
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  3. Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution
China Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution
China Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution

  1. China Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution
  2. China Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution
  3. China Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire High-Performance Solution

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

  1. MOQ： 5kg
  2. Price：
  3. Get Latest Price
Payment Terms T/T, D/P
Supply Ability 30 Tons per day
Delivery Time 3 days
Packaging Details Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.
Place of Orig Jiangsu, China
Type Karma
Application Precision resistance element and strain
Color Brassy yellow
Product name 6J22 Karma (Ni-Cr-Al-Fe)
Density 8.1
Resistivity(20℃)(μΩm) 1.33±0.07
Max. Working Temp. (℃) ≤300
Elongation(%) ＞7
Tensile Strength(N/mm2) ≥780
Brand Name Senphus
Model Number 6J22/6J422
Place of Origin China
Certification ISO9001

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, D/P Supply Ability 30 Tons per day
Delivery Time 3 days Packaging Details Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated.
Place of Orig Jiangsu, China Type Karma
Application Precision resistance element and strain Color Brassy yellow
Product name 6J22 Karma (Ni-Cr-Al-Fe) Density 8.1
Resistivity(20℃)(μΩm) 1.33±0.07 Max. Working Temp. (℃) ≤300
Elongation(%) ＞7 Tensile Strength(N/mm2) ≥780
Brand Name Senphus Model Number 6J22/6J422
Place of Origin China Certification ISO9001
High Light Resistance ni cr heating wire ，ODM ni cr heating wire ，ODM nicr wire

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

 

Name Code Main Composition(%) Density (g/mm2) Standard
Cr Al Fe Ni
Karma 6J22 19~21 2.5~3.2 2.0~3.0 Bal. 8.1 JB/T 5328

 

 

Propertises

 

Name Code Resistivity(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
Karma 6J22 1.33±0.07 ≤±20 ≤2.5 ≤300 ＞7 ≥780 JB/T 5328

 

 

The tolerance of wires diameter, size range

 

　 Diameter (mm) Tolerance
Wires 0.018~0.025 ±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)
0.018 0.000255 0.002066 4707-5749 0.25 0.04909 0.3976 25.74-28.45
0.020 0.000314 0.002543 3810-4657 0.28 0.06158 0.4988 20.52-22.68
0.022 0.000380 0.003078 3149-3849 0.30 0.07069 0.5726 17.87-19.76
0.025 0.000491 0.003977 2439-2980 0.32 0.07548 0.6114 16.74-18.5
0.028 0.000616 0.00499 1944-2376 0.33 0.08553 0.6928 14.78-16.33
0.030 0.000707 0.005727 1750-2015 0.38 0.1134 0.9185 11.13-12.31
0.032 0.000804 0.006512 1488-1819 0.40 0.1257 1.0182 10.05-11.11
0.035 0.000962 0.007792 1244-1521 0.41 0.132 1.0692 9.57-10.57
0.040 0.001257 0.01018 953-1164 0.45 0.159 1.288 7.94-8.77
0.045 0.001590 0.01288 752.6-919.9 0.50 0.1963 1.590 6.43-7.11
0.050 0.001963 0.0159 609.6-745.1 0.55 0.2376 1.9246 5.32-5.88
0.055 0.002380 0.01928 515.0-604.6 0.60 0.2827 2.2899 4.46-4.94
0.063 0.003120 0.02527 392.2-460.4 0.65 0.3318 2.6876 3.81-4.21
0.070 0.003850 0.03119 317.9-373.2 0.70 0.3848 3.1169 3.27-3.62
0.080 0.005027 0.0407 243.4-285.8 0.75 0.4418 3.5786 2.85-3.16
0.090 0.006362 0.0515 192.3-225.8 0.80 0.5027 4.0719 2.51-2.77
0.100 0.007854 0.0636 155.8-182.9 0.85 0.5674 4.5959 2.22-2.45
0.110 0.009852 0.0798 128.8-151.1 0.90 0.6362 5.1532 1.98-2.19
0.120 0.012270 0.0994 111.7-123.5 0.95 0.7088 5.7413 1.79-1.97
0.140 0.015390 0.1247 82.08-90.72 1.00 0.7854 6.3617 1.60-1.77
0.150 0.017670 0.1431 71.51-79.03 1.10 0.9503 7.6974 1.33-1.47
0.160 0.020110 0.1629 62.84-69.46 1.12 0.9852 7.9801 1.28-1.42
0.170 0.022700 0.1839 55.66-61.52 1.18 1.0936 8.8582 1.16-1.28
0.180 0.025450 0.2061 49.65-54.88 1.20 1.313 9.1611 1.11-1.23
0.190 0.028350 0.2296 44.56-49.26 1.30 1.327 10.7487 0.95-1.05
0.200 0.031420 0.2545 40.22-44.45 1.40 1.539 12.466 0.82-0.90
0.212 0.035300 0.2859 35.80-39.56 1.50 1.767 14.3127 0.71-0.79
0.220 0.038010 0.3079 33.24-36.74 1.60 2.011 16.2891 0.63-0.69

 

 

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.

 

 

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Exporter,Seller

  • Year Established:

    2003

  • Total Annual:

    230000000-240000000

  • Employee Number:

    1400~1500

  • Ecer Certification：

    Verified Supplier

Company Overview: Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and pre... Company Overview: Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and pre...

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Get in touch with us

  • Reach Us
  • Jiangyin Chengxin Alloy Material Co., Ltd ，
  • Building 3, No. 29, Beitanghe East Road, Qinglong Street, Tianning District, Changzhou City, Jiangsu Province
  • https://www.heatingalloywire.com/

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