6J12/6J12P/6J12X Resistance Wire Copper Manganese Nickel OEM For Heating System

Brand Name:Senphus
Certification:ISO9001
Model Number:6J12/6J12P/6J12X
Minimum Order Quantity:5kg
Delivery Time:3 days
Payment Terms:T/T, D/P
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Location: Changzhou Jiangsu China
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6J12/6J12P/6J12X Resistance Wire Copper Manganese Nickel OEM For Heating System


The 6J12 alloy wire is a manganin-type material composed primarily of copper (Cu), nickel (Ni), and manganese (Mn). It is specifically designed for high-precision applications requiring stable electrical resistance, low thermal electromotive force (EMF), and minimal temperature coefficient of resistance (TCR).


The 6J12 alloy wire offers long-term stability, high durability, and consistent electrical performance in varying environmental conditions. It is also cost-effective for high-precision applications, making it a popular choice in scientific and industrial fields.


In summary, 6J12 combines high resistivity, low TCR, and corrosion resistance, making it indispensable in precision electrical and temperature-sensitive applications.

Chemical composition


NameTypeMain chemical composition %
CuMnNiSi
Manganin6J12Rest11~132~3/
F1 Manganin6J8Rest8~10/1~2
F2 Manganin6J13Rest11~132~5/

Volume resistivity for wires, sheet and ribbons


NameTypeVolume resistivity (μΩ·m)
Manganin6J120.47±0.03
F1 Manganin6J80.35±0.05
F2 Manganin6J130.44±0.04

Average resistance-temperature coefficient of Constantan


NameApplication temperatureTest temperatureResistance-temperature coefficientAverage resistance-temperature coefficient
α×10-6-1β×10-6-1α×10-6 ℃-1
Manganin wire, sheetLevel 15~4510, 20, 40-3~+5-0.7~0/
Level 2-5~+10
Level 3-10~+5
F1 Manganin wire, sheet10~8010, 20, 40-5~+10-0.25~0/
F2 Manganin wire, sheet10~800~+40-0.7~1/

Elongation rate


Dia.(mm)Elongation rate (Lo=200mm), %
0.056
>0.05~0.108
>0.10~0.5012
>0.5015

Thermal EMF rate for copper


NameTypeTemperatureAverage thermal EMF rate for copper
Manganin6J120~1001
F1 Manganin6J80~1002
F2 Manganin6J130~1003
Note: Thermal EMF rate for copper is absolute value

The net weight per spool


Dia(mm)Net weight (g)Dia(mm)Net weight (g)
0.02~0.0255>0.28~0.45300
>0.025~0.0310>0.45~0.63400
>0.03~0.0415>0.63~0.75700
>0.04~0.0630>0.75~1.181200
>0.06~0.0860>1.18~2.502000
>0.08~0.1580>2.50~3.003000
>0.15~0.28150  

Manganin(6J12) 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)
0.0200.0003140.002651346-16460.2240.039410.332611.2-12.6
0.0220.0003180.003211113-13600.2500.049090.4149.00-10.15
0.0250.0004910.00414862-10530.2800.061580.51977.17-8.09
0.0280.0006160.0052687-8400.3150.077930.65775.73-6.33
0.0320.0008040.00679583-6310.3550.98980.83544.51-4.99
0.0360.0010180.00859452-4990.4000.12571.0613.55-3.93
0.0400.0012570.01061344-4040.4500.1591.3422.81-3.10
0.0450.0015090.01342272-3190.5000.19631.6572.27-2.51
0.0500.0019630.01657220-2590.5600.24632.081.83-1.98
0.0560.0024630.02079176-2060.6300.31172.631.45-1.57
0.0630.0031170.02631139-1630.7100.39593.341.14-1.23
0.0710.0039590.03341109-1280.7500.44183.731.02-1.11
0.0800.0050270.0424386.0-101.00.8000.50274.240.898-0.972
0.0900.0063620.053768.0-79.800.8500.56744.790.795-0.861
0.1000.0078540.066355.1-64.60.9000.63625.370.709-0.768
0.1120.0098520.0831544.4-51.00.9500.70885.980.637-0.690
0.1250.012270.103635.6-41.01.0000.78546.630.574-0.622
0.1400.015390.129928.4-32.71.0600.88257.450.511-0.554
0.1500.017670.149124.7-28.51.1200.98528.320.458-0.496
0.1600.020110.169721.7-25.01.1801.0949.230.413-0.447
0.1700.022700.191619.3-22.21.2501.22710.360.368-0.398
0.1800.025450.214817.2-19.81.3201.36811.550.330-0.357
0.1900.028350.23915.4-17.71.4001.53912.990.293-0.318
0.2000.031420.265214.1-15.91.5001.76714.910.255-0.277
0.2120.035300.297912.5-14.11.6002.01116.970.224-0.243

Constantan&Manganin wire data table


Dia.(mm)Sectional area nominal value(mm2)Resistance per meter (Ω/m)
6J12X6J8X6J13X6J40X

Nominal value

(mm)

ToleranceNominal value (Ω/m)ToleranceNominal value (Ω/m)ToleranceNominal value (Ω/m)ToleranceNominal value (Ω/m)Tolerance
0.020±0.0020.0003141496±10%    1528±10%
0.0220.00038012361263
0.0250.000491957978
0.0280.000616763780
0.032±0.0030.000804584±8% ±8% ±8%597±8%
0.0360.001018462472
0.0400.001257374382
0.0450.001590296302
0.0500.001963239244
0.0560.002463191195
0.0630.003117151154
0.0710.003959119121
0.0800.00502793.569.687.595.5
0.0900.00636273.955.069.275.5
0.1000.00785459.844.656.061.1
0.112±0.0050.00985247.7±7%35.5±7%44.7±7%48.7±7%
0.1250.0122738.328.535.939.1
0.1400.0153930.522.728.631.2
0.1600.0201123.417.421.923.9
0.1800.0254518.513.817.318.9
0.200±0.0050.0314215.0±6%11.1±6%14.0±6%15.3±6%
0.2240.0394111.98.8811.212.2
0.2500.049099.577.138.969.78
0.2800.061587.635.687.157.80
0.315±0.0100.0077936.03±5%4.49±5%5.65±5%6.16±5%
0.3550.098984.753.544.454.85
0.4000.12573.742.793.503.82
0.4500.15902.962.202.773.02
0.500±0.0150.19632.39±4%1.78±4%2.24±4%2.44±4%
0.5600.24631.911.421.791.95
0.6300.31171.511.121.411.51
0.7100.39591.190.8841.111.21
0.7500.44181.060.7921.001.09
0.8000.50270.9350.6960.8750.955
0.8500.56740.8280.6170.7750.846
0.9000.63620.7390.5500.6920.755
0.9500.70880.6630.4940.6210.677
1.0000.78540.5980.4460.5600.611
1.060±0.0200.88520.533±4%0.397±4%0.499±4%0.544±4%
1.1200.98520.4770.3550.4470.487
1.1801.0940.4300.3200.4020.439
1.2501.2270.3830.2850.3590.391
1.3201.3680.3430.2560.3220.351
1.4001.5390.3050.2270.2860.312
1.5001.7670.2660.1980.2490.272
1.6002.0110.2340.1740.2190.239
1.700±0.0252.2700.207±4%0.154±4%0.194±4%0.211±4%
1.8002.5450.1850.1380.1730.189
1.9002.8350.1660.1230.1550.169
2.0003.1420.150.1110.1400.153
2.1203.5300.1330.09920.1250.136
2.240±0.0303.9410.119±4%0.0888±4%0.112±4%0.122±4%
2.3604.3740.1070.08000.1010.110
2.5004.9090.09570.07130.08960.0978
2.6505.5150.08520.06350.07980.0870
2.8006.1580.07630.05680.07150.0780
3.0007.0690.06650.04950.06220.0679
3.150±0.0357.7930.0603±4%0.0449±4%0.0565±4%0.0616±4%
3.3508.8140.05330.03970.04990.0545
3.5509.8980.04750.03540.04450.0485
3.75011.040.04260.03170.03980.0435
4.00012.570.03740.02790.03500.0382
4.25014.190.03310.02470.03100.0338
4.50015.900.02960.02200.02770.0302
4.750±0.04017.720.0265±4%0.0198±4%0.0248±4%0.0271±4%
5.00019.630.02390.01780.02240.0244
5.300±0.05022.060.0213±4%0.0159±4%0.0199±4%0.0218±4%
5.60024.630.01910.01420.01790.0195
6.000±0.06028.270.0166±4%0.0124±4%0.0156±4%0.017±4%
6.30031.170.01510.01120.01410.0154

Sheet size


Thickness(mm)ToleranceWidth(mm)Tolerance
0.1±0.01050
75
100
Width<100mm, ±1
Width≥100mm, ±1.5
0.112
0.125
0.140
0.160
0.180±0.0100-0.020
0.200
0.224
0.250
0.280
0.315
0.355
0.400±0.02050
75
100
125
150
175
0.450
0.500
0.560±0.020-0.030
0.630
0.710
0.800±0.030
0.900
1.000±0.040
1.120
1.250
1.400±0.050
1.600
1.800±0.060
2.000

Manganin strip table, Cross-sectional area(mm2)


Width(mm)


Thickness(mm)
6.38.010.012.516.020.025.031.540.0
±0.3±0.3±0.3±0.4±0.4±0.5±0.5±0.6±0.7
0.180±0.0101.066        
0.2001.184       
0.2241.3271.684      
0.250+0.01
-0.02
1.4811.8802.450     
0.2801.6582.1062.744      
0.3151.8652.3693.0873.859    
0.3552.1022.6703.4794.349    
0.400±0.0202.3693.0083.9204.9006.272   
0.4502.6653.3844.4105.5137.0568.82011.03  
0.5002.9613.7604.9006.1257.8409.80012.25  
0.560+0.020
-0.030
3.3164.2115.4886.8608.78110.9813.72 
0.6303.7314.7386.1747.7189.87812.3515.44 
0.7104.2055.3396.9588.69811.1313.9217.40 
0.800±0.0304.7386.0167.8409.80012.5415.6819.6024.7031.36
0.9005.336.7688.82011.0314.1117.6422.0527.7835.28
1.000±0.0405.9227.5209.80012.2515.6819.6024.5030.8739.20
1.1206.6338.42210.9813.7217.5621.9527.4434.5743.90
1.2507.4039.40012.2515.3119.6024.5030.6338.5949.00
1.400±0.0508.29110.5313.7217.1521.9527.4434.3043.2254.88
1.6009.47512.0315.6819.6025.0931.3639.2049.3962.72
1.800±0.06010.6613.5417.6422.0528.2235.2844.1055.5770.56
2.00011.8415.0419.6024.5031.3639.2049.0061.7478.40
Note : The effective cross-sectional area of strip is the product of its width and thickness multiplies
the following coefficient:
Width<10mm, multiplied by 0.98;
Width≥10mm, multiplied by 0.94.

Some key features of 6J12 include:

  • High Electrical Resistance:

6J12 has a high electrical resistance, which is crucial for applications requiring precise resistance values.

  • Temperature Coefficient of Resistance (TCR):

The alloy exhibits a low and stable temperature coefficient of resistance, indicating minimal change in resistance with temperature fluctuations, typically ranging from ±20 ppm/°C to ±50 ppm/°C.

  • Corrosion Resistance:

Thanks to its high nickel and chromium content, 6J12 offers excellent resistance to oxidation and corrosion, making it suitable for use in both acidic and alkaline environments.

  • Creep Resistance:

The alloy shows good resistance to creep, with minimal plastic deformation under stress at elevated temperatures, making it suitable for high-temperature applications.

  • Fatigue Life:

6J12 has a fatigue life of about 5×10^6 cycles at a stress level of 50 MPa when tested at high temperatures, indicating its endurance in high-temperature fatigue conditions.


These characteristics make 6J12 an ideal material for precision resistors, temperature compensation elements, strain gauges, and other applications where stable and precise electrical resistance is required across a broad temperature range.


Applications:

  • Precision Resistors:

Due to its high electrical resistance and stable temperature coefficient of resistance, 6J12 is widely used in the manufacturing of precision resistors and resistor elements.

  • Temperature Compensation:

The alloy's low temperature coefficient makes it suitable for temperature compensation devices and thermistors that require precise resistance changes with temperature variations.

  • Strain Gauges:

6J12 is used in the production of strain gauges for measuring mechanical strain, given its accurate and stable resistance characteristics under stress.

  • Electronic Components:

The alloy is utilized in various electronic components where high resistance and temperature stability are necessary, such as in resistor networks and rheostats.

  • Automotive Sensors:

6J12 finds use in automotive sensors that require resistance changes in response to temperature or mechanical stress.

  • Industrial Controls:

In industrial control systems, 6J12 is used for its reliable performance in sensors and control elements that need to maintain consistent resistance under varying conditions.

  • Medical Equipment:

The alloy is employed in medical equipment where precise resistance is critical, such as in temperature sensors and diagnostic devices.

  • Aerospace and Defense:

6J12 is used in aerospace and defense applications for its ability to maintain performance in extreme temperature conditions and its resistance to corrosion.

  • Telecommunications:

In telecommunications, 6J12 is used for its consistent electrical properties in high-frequency applications and its resistance to environmental factors.

  • Power Grids:

The alloy is utilized in power grids for current-sensing devices and other components that require stable resistance under high electrical stress.


These applications take advantage of 6J12's unique combination of high resistance, temperature stability, and corrosion resistance, making it a valuable material in precision electronics and engineering.


China 6J12/6J12P/6J12X Resistance Wire Copper Manganese Nickel OEM For Heating System supplier

6J12/6J12P/6J12X Resistance Wire Copper Manganese Nickel OEM For Heating System

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