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6J13/6J13P/6J13X Precision Resistance Wire with Copper Manganese Nickel Composition for Stability
6J13 is characterized by high resistivity, exceptional stability across a broad temperature range, and low TCR, ensuring consistent performance in precision applications. It also offers excellent corrosion resistance and good mechanical properties, including ductility and tensile strength, making it suitable for fine wire fabrication.
This alloy is widely used in precision resistors, standard resistors, and current shunts for measurement instruments and calibration systems. Its low-noise and low-EMF properties make it ideal for temperature-sensitive and high-accuracy electrical circuits. It is also utilized in thermostatic devices and applications requiring stable performance under varying environmental conditions.
In summary, the 6J13 alloy wire is an essential material in precision electrical applications, combining stable resistivity, low thermal EMF, and robust mechanical performance for demanding industrial and scientific uses.
Chemical Composition Wt. 6J13 F2 Manganin |
% | Ni | Mn | Cu |
Min | 2 |
11 |
||
Max | 5 | 13 | Rest |
Some key features of 6J13 include:
Offers stable and predictable resistivity, essential for precision electrical components.
Minimal variation in resistance with temperature changes, ensuring consistent performance.
Generates very low thermal EMF when paired with copper, making it suitable for low-noise and high-accuracy applications.
Resistance remains stable over extended periods, even under varying environmental conditions.
Resists oxidation and degradation in most operating environments.
Can be drawn into fine wires while maintaining durability and flexibility.
Performs reliably across a broad temperature range, with minimal degradation.
Used in precision resistors, standard resistors, current shunts, and thermostatic devices.
Offers an efficient balance of performance and affordability compared to other precision alloys.
These features make 6J13 alloy wire ideal for precision electrical applications where stability, reliability, and accuracy are critical.
Application:
Used in high-accuracy resistors for measurement and calibration systems.
Ideal for current sensing in electrical circuits due to its low thermal EMF and stable resistivity.
Employed in devices like multimeters and bridge circuits for precise resistance measurement.
Provides long-term stability in reference resistors used for calibrating other instruments.
Utilized in components requiring temperature compensation or control.
Ensures stability in circuits that operate under varying temperature conditions.
Suitable for sensitive circuits where minimal electrical noise is essential.
Commonly used in configurations that require low and stable thermal EMF.
Widely applied in laboratories and industries for reliable, precise, and durable electrical performance.
Used in current monitoring and balancing applications in power systems.
The combination of precision, stability, and thermal reliability makes the 6J13 alloy wire a versatile choice for various high-performance electrical and electronic applications.
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. |
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