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

Jiangyin Chengxin Alloy Material Co., Ltd ，

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  3. 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR
China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR
China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR

  1. China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR
  2. China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR
  3. China 6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR

6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR

  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 F1 Manganin
Application Resistance elements and shunt resistors in precision instruments
Color Brassy yellow
Product name 6J8 F1 Manganin wire
Volume resistivity (μΩ·m) 0.35±0.05
Application temperature 10~80
Resistance-temperature coefficient （β×10-6 ℃-1） -0.25~0
Thermal EMF rate for copper 2
Brand Name Senphus
Model Number 6J8/6J8P/6J8X
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 F1 Manganin
Application Resistance elements and shunt resistors in precision instruments Color Brassy yellow
Product name 6J8 F1 Manganin wire Volume resistivity (μΩ·m) 0.35±0.05
Application temperature 10~80 Resistance-temperature coefficient （β×10-6 ℃-1） -0.25~0
Thermal EMF rate for copper 2 Brand Name Senphus
Model Number 6J8/6J8P/6J8X Place of Origin China
Certification ISO9001
High Light Temperature Fluctuations Precision Resistance Wire ，Stable Resistance Precision Resistance Wire ，6J8 Precision Resistance Wire

6J8/6J8P/6J8X Precision Resistance Wire High Electrical Resistivity and Low TCR for Consistent Performance in Electronic Devices

 

6J8/6J8P/6J8X Precision Resistance Wire refers to a type of precision resistor wire commonly used in applications that require stable and accurate electrical resistance. This wire is often made from a Manganin-type alloy, which includes a mix of elements such as Copper (Cu), Nickel (Ni), and Manganese (Mn), though exact compositions can vary slightly across the different grades or designations (6J8, 6J8P, 6J8X).

 

6J8/6J8P/6J8X Precision Resistance Wire is a high-performance material used in applications requiring precise and stable electrical resistance, with low temperature dependency and high durability. It is ideal for calibration, current sensing, and precision measurement applications across scientific, industrial, and high-tech fields. The various grades (P and X) offer enhanced properties for more demanding or specialized applications, ensuring accuracy and long-term reliability.

 

Chemical Composition Wt.%

6J8 F1 Manganin

 % Si Cu Mn
Min 1   8
Max 2 Rest 10

 

 

Chemical composition

 

Name Type Main chemical composition %
Cu Mn Ni Si
Manganin 6J12 Rest 11~13 2~3 /
F1 Manganin 6J8 Rest 8~10 / 1~2
F2 Manganin 6J13 Rest 11~13 2~5 /

 

 

Volume resistivity for wires, sheet and ribbons

 

Name Type Volume resistivity (μΩ·m)
Manganin 6J12 0.47±0.03
F1 Manganin 6J8 0.35±0.05
F2 Manganin 6J13 0.44±0.04

 

 

Average resistance-temperature coefficient of Constantan

 

Name Application temperature Test temperature Resistance-temperature coefficient Average resistance-temperature coefficient
α×10-6 ℃-1 β×10-6 ℃-1 α×10-6 ℃-1
Manganin wire, sheet Level 1 5~45 10, 20, 40 -3~+5 -0.7~0 /
Level 2 -5~+10
Level 3 -10~+5
F1 Manganin wire, sheet 10~80 10, 20, 40 -5~+10 -0.25~0 /
F2 Manganin wire, sheet 10~80 0~+40 -0.7~1 /

 

 

Elongation rate

 

Dia.(mm) Elongation rate (Lo=200mm), %
0.05 6
＞0.05~0.10 8
＞0.10~0.50 12
＞0.50 15

 

 

Thermal EMF rate for copper

 

Name Type Temperature Average thermal EMF rate for copper
Manganin 6J12 0~100 1
F1 Manganin 6J8 0~100 2
F2 Manganin 6J13 0~100 3
Note: Thermal EMF rate for copper is absolute value

 

 

The net weight per spool

 

Dia(mm) Net weight (g) Dia(mm) Net weight (g)
0.02~0.025 5 >0.28~0.45 300
>0.025~0.03 10 >0.45~0.63 400
>0.03~0.04 15 >0.63~0.75 700
>0.04~0.06 30 >0.75~1.18 1200
>0.06~0.08 60 >1.18~2.50 2000
>0.08~0.15 80 >2.50~3.00 3000
>0.15~0.28 150 　 　

 

 

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)
0.020 0.000314 0.00265 1346-1646 0.224 0.03941 0.3326 11.2-12.6
0.022 0.000318 0.00321 1113-1360 0.250 0.04909 0.414 9.00-10.15
0.025 0.000491 0.00414 862-1053 0.280 0.06158 0.5197 7.17-8.09
0.028 0.000616 0.0052 687-840 0.315 0.07793 0.6577 5.73-6.33
0.032 0.000804 0.00679 583-631 0.355 0.9898 0.8354 4.51-4.99
0.036 0.001018 0.00859 452-499 0.400 0.1257 1.061 3.55-3.93
0.040 0.001257 0.01061 344-404 0.450 0.159 1.342 2.81-3.10
0.045 0.001509 0.01342 272-319 0.500 0.1963 1.657 2.27-2.51
0.050 0.001963 0.01657 220-259 0.560 0.2463 2.08 1.83-1.98
0.056 0.002463 0.02079 176-206 0.630 0.3117 2.63 1.45-1.57
0.063 0.003117 0.02631 139-163 0.710 0.3959 3.34 1.14-1.23
0.071 0.003959 0.03341 109-128 0.750 0.4418 3.73 1.02-1.11
0.080 0.005027 0.04243 86.0-101.0 0.800 0.5027 4.24 0.898-0.972
0.090 0.006362 0.0537 68.0-79.80 0.850 0.5674 4.79 0.795-0.861
0.100 0.007854 0.0663 55.1-64.6 0.900 0.6362 5.37 0.709-0.768
0.112 0.009852 0.08315 44.4-51.0 0.950 0.7088 5.98 0.637-0.690
0.125 0.01227 0.1036 35.6-41.0 1.000 0.7854 6.63 0.574-0.622
0.140 0.01539 0.1299 28.4-32.7 1.060 0.8825 7.45 0.511-0.554
0.150 0.01767 0.1491 24.7-28.5 1.120 0.9852 8.32 0.458-0.496
0.160 0.02011 0.1697 21.7-25.0 1.180 1.094 9.23 0.413-0.447
0.170 0.02270 0.1916 19.3-22.2 1.250 1.227 10.36 0.368-0.398
0.180 0.02545 0.2148 17.2-19.8 1.320 1.368 11.55 0.330-0.357
0.190 0.02835 0.239 15.4-17.7 1.400 1.539 12.99 0.293-0.318
0.200 0.03142 0.2652 14.1-15.9 1.500 1.767 14.91 0.255-0.277
0.212 0.03530 0.2979 12.5-14.1 1.600 2.011 16.97 0.224-0.243

 

 

Constantan&Manganin wire data table

 

Dia.(mm) Sectional area nominal value(mm2) Resistance per meter (Ω/m)
6J12X 6J8X 6J13X 6J40X

Nominal value

(mm)

 Tolerance Nominal value (Ω/m) Tolerance Nominal value (Ω/m) Tolerance Nominal value (Ω/m) Tolerance Nominal value (Ω/m) Tolerance
0.020 ±0.002 0.000314 1496 ±10% 　 　 　 　 1528 ±10%
0.022 0.000380 1236 1263
0.025 0.000491 957 978
0.028 0.000616 763 780
0.032 ±0.003 0.000804 584 ±8% 　 ±8% 　 ±8% 597 ±8%
0.036 0.001018 462 472
0.040 0.001257 374 382
0.045 0.001590 296 302
0.050 0.001963 239 244
0.056 0.002463 191 195
0.063 0.003117 151 154
0.071 0.003959 119 121
0.080 0.005027 93.5 69.6 87.5 95.5
0.090 0.006362 73.9 55.0 69.2 75.5
0.100 0.007854 59.8 44.6 56.0 61.1
0.112 ±0.005 0.009852 47.7 ±7% 35.5 ±7% 44.7 ±7% 48.7 ±7%
0.125 0.01227 38.3 28.5 35.9 39.1
0.140 0.01539 30.5 22.7 28.6 31.2
0.160 0.02011 23.4 17.4 21.9 23.9
0.180 0.02545 18.5 13.8 17.3 18.9
0.200 ±0.005 0.03142 15.0 ±6% 11.1 ±6% 14.0 ±6% 15.3 ±6%
0.224 0.03941 11.9 8.88 11.2 12.2
0.250 0.04909 9.57 7.13 8.96 9.78
0.280 0.06158 7.63 5.68 7.15 7.80
0.315 ±0.010 0.007793 6.03 ±5% 4.49 ±5% 5.65 ±5% 6.16 ±5%
0.355 0.09898 4.75 3.54 4.45 4.85
0.400 0.1257 3.74 2.79 3.50 3.82
0.450 0.1590 2.96 2.20 2.77 3.02
0.500 ±0.015 0.1963 2.39 ±4% 1.78 ±4% 2.24 ±4% 2.44 ±4%
0.560 0.2463 1.91 1.42 1.79 1.95
0.630 0.3117 1.51 1.12 1.41 1.51
0.710 0.3959 1.19 0.884 1.11 1.21
0.750 0.4418 1.06 0.792 1.00 1.09
0.800 0.5027 0.935 0.696 0.875 0.955
0.850 0.5674 0.828 0.617 0.775 0.846
0.900 0.6362 0.739 0.550 0.692 0.755
0.950 0.7088 0.663 0.494 0.621 0.677
1.000 0.7854 0.598 0.446 0.560 0.611
1.060 ±0.020 0.8852 0.533 ±4% 0.397 ±4% 0.499 ±4% 0.544 ±4%
1.120 0.9852 0.477 0.355 0.447 0.487
1.180 1.094 0.430 0.320 0.402 0.439
1.250 1.227 0.383 0.285 0.359 0.391
1.320 1.368 0.343 0.256 0.322 0.351
1.400 1.539 0.305 0.227 0.286 0.312
1.500 1.767 0.266 0.198 0.249 0.272
1.600 2.011 0.234 0.174 0.219 0.239
1.700 ±0.025 2.270 0.207 ±4% 0.154 ±4% 0.194 ±4% 0.211 ±4%
1.800 2.545 0.185 0.138 0.173 0.189
1.900 2.835 0.166 0.123 0.155 0.169
2.000 3.142 0.15 0.111 0.140 0.153
2.120 3.530 0.133 0.0992 0.125 0.136
2.240 ±0.030 3.941 0.119 ±4% 0.0888 ±4% 0.112 ±4% 0.122 ±4%
2.360 4.374 0.107 0.0800 0.101 0.110
2.500 4.909 0.0957 0.0713 0.0896 0.0978
2.650 5.515 0.0852 0.0635 0.0798 0.0870
2.800 6.158 0.0763 0.0568 0.0715 0.0780
3.000 7.069 0.0665 0.0495 0.0622 0.0679
3.150 ±0.035 7.793 0.0603 ±4% 0.0449 ±4% 0.0565 ±4% 0.0616 ±4%
3.350 8.814 0.0533 0.0397 0.0499 0.0545
3.550 9.898 0.0475 0.0354 0.0445 0.0485
3.750 11.04 0.0426 0.0317 0.0398 0.0435
4.000 12.57 0.0374 0.0279 0.0350 0.0382
4.250 14.19 0.0331 0.0247 0.0310 0.0338
4.500 15.90 0.0296 0.0220 0.0277 0.0302
4.750 ±0.040 17.72 0.0265 ±4% 0.0198 ±4% 0.0248 ±4% 0.0271 ±4%
5.000 19.63 0.0239 0.0178 0.0224 0.0244
5.300 ±0.050 22.06 0.0213 ±4% 0.0159 ±4% 0.0199 ±4% 0.0218 ±4%
5.600 24.63 0.0191 0.0142 0.0179 0.0195
6.000 ±0.060 28.27 0.0166 ±4% 0.0124 ±4% 0.0156 ±4% 0.017 ±4%
6.300 31.17 0.0151 0.0112 0.0141 0.0154

 

 

Sheet size

 

Thickness(mm) Tolerance Width(mm) Tolerance
0.1 ±0.010 50
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 ±0.020 50
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)		 6.3 8.0 10.0 12.5 16.0 20.0 25.0 31.5 40.0
±0.3 ±0.3 ±0.3 ±0.4 ±0.4 ±0.5 ±0.5 ±0.6 ±0.7
0.180 ±0.010 1.066 　 　 　 　 　 　 　 　
0.200 1.184   　 　 　 　 　 　 　
0.224 1.327 1.684   　 　 　 　 　 　
0.250 +0.01
-0.02		 1.481 1.880 2.450   　 　 　 　 　
0.280 1.658 2.106 2.744 　 　 　 　 　 　
0.315 1.865 2.369 3.087 3.859 　   　 　 　
0.355 2.102 2.670 3.479 4.349   　 　 　 　
0.400 ±0.020 2.369 3.008 3.920 4.900 6.272   　 　 　
0.450 2.665 3.384 4.410 5.513 7.056 8.820 11.03 　 　
0.500 2.961 3.760 4.900 6.125 7.840 9.800 12.25 　 　
0.560 +0.020
-0.030		 3.316 4.211 5.488 6.860 8.781 10.98 13.72   　
0.630 3.731 4.738 6.174 7.718 9.878 12.35 15.44   　
0.710 4.205 5.339 6.958 8.698 11.13 13.92 17.40   　
0.800 ±0.030 4.738 6.016 7.840 9.800 12.54 15.68 19.60 24.70 31.36
0.900 5.33 6.768 8.820 11.03 14.11 17.64 22.05 27.78 35.28
1.000 ±0.040 5.922 7.520 9.800 12.25 15.68 19.60 24.50 30.87 39.20
1.120 6.633 8.422 10.98 13.72 17.56 21.95 27.44 34.57 43.90
1.250 7.403 9.400 12.25 15.31 19.60 24.50 30.63 38.59 49.00
1.400 ±0.050 8.291 10.53 13.72 17.15 21.95 27.44 34.30 43.22 54.88
1.600 9.475 12.03 15.68 19.60 25.09 31.36 39.20 49.39 62.72
1.800 ±0.060 10.66 13.54 17.64 22.05 28.22 35.28 44.10 55.57 70.56
2.000 11.84 15.04 19.60 24.50 31.36 39.20 49.00 61.74 78.40
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 6J8 include:

  • High Resistivity:

6J8 wires are typically used in resistors or current-sensing applications where stable, high resistivity is required.

  • Low TCR:

The wire’s low temperature coefficient ensures that resistance remains stable across varying temperatures, which is vital for precision instruments.

  • Corrosion Resistance:

The alloy provides resistance to oxidation and corrosion, even in harsh or humid environments, ensuring the longevity and accuracy of the components.

  • Mechanical Properties:

The wire has good tensile strength and can be drawn into fine wire forms for specific applications like precision resistors, shunt resistors, and heating elements.

 

Application

  • Precision Resistors:

Used in standard resistors for calibration and reference, ensuring high accuracy.

Employed in high-precision measurement instruments, including digital multimeters, bridge circuits, and laboratory-grade equipment.

  • Current Shunt Resistors:

Ideal for current sensing in high-accuracy electronic circuits, providing reliable resistance under varying load conditions.

  • Thermally Compensated Components:

Used in circuits where temperature stability is critical, ensuring consistent performance in temperature-sensitive applications.

  • Calibration Equipment:

Employed in precision calibration systems to maintain accuracy over time and under different environmental conditions.

  • Industrial and Laboratory Use:

Found in industrial control systems, temperature measurement devices, and scientific research equipment that require precise and stable electrical resistance.

Advantages of 6J8 Series Precision Resistance Wire:

  • Long-Term Stability: The material offers stable resistance over long periods, crucial for calibration and measurement applications.
  • Low Noise: Offers low electromagnetic interference (EMI) and thermal EMF, making it suitable for sensitive measurements.
  • Durability: Resistant to corrosion and oxidation, ensuring reliable performance in harsh environments.
  • Versatility: Available in different grades (6J8, 6J8P, 6J8X) for a variety of precision applications, from standard resistors to industrial-grade components.

 

 

Company Details

Bronze Gleitlager

,

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 and 

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 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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