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6J12/6J12P/6J12X High-Strength Precision Resistance Wire for Mechanical Applications

Categories	Precision Alloy
Brand Name:	Senphus
Model Number:	6J12/6J12P/6J12X
Place of Origin:	China
MOQ:	5kg
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.
Certification:	ISO9001
Place of Orig:	Jiangsu, China
Type:	Manganin
Application:	Resistance elements and shunt resistors in precision instruments
Color:	Brassy yellow
Product name:	6J12 Manganin wire
Volume resistivity (μΩ·m):	0.47±0.03
Application temperature:	5~45
Resistance-temperature coefficient （β×10-6 ℃-1）:	-0.7~0
Thermal EMF rate for copper:	1

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6J12/6J12P/6J12X High-Strength Precision Resistance Wire for Mechanical Applications

6J12/6J12P/6J12X High-Strength Precision Resistance Wire for Mechanical Applications

The 6J12 alloy wire is a manganin-type material primarily composed of copper (Cu), nickel (Ni), and manganese (Mn). It is designed for precision electrical applications that require exceptional stability and reliability. This alloy is notable for its high electrical resistivity, low thermal electromotive force (EMF), and minimal temperature coefficient of resistance (TCR), ensuring consistent performance over a broad temperature range.

The 6J12 alloy wire combines excellent electrical stability, mechanical resilience, and cost-effectiveness. Proper annealing and handling further enhance its performance, making it a reliable choice for industrial, scientific, and precision electrical uses. It combines excellent electrical stability, mechanical resilience, and cost-effectiveness. Proper annealing and handling further enhance its performance, making it a reliable choice for industrial, scientific, and precision electrical uses.

Chemical composition

Name	Type	Main chemical composition %
Name	Type	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)
Dia.(mm)			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	±0.040	19.63	0.0239	±4%	0.0178	±4%	0.0224	±4%	0.0244	±4%
5.300	±0.050	22.06	0.0213	±4%	0.0159	±4%	0.0199	±4%	0.0218	±4%
5.600	±0.050	24.63	0.0191	±4%	0.0142	±4%	0.0179	±4%	0.0195	±4%
6.000	±0.060	28.27	0.0166	±4%	0.0124	±4%	0.0156	±4%	0.017	±4%
6.300	±0.060	31.17	0.0151	±4%	0.0112	±4%	0.0141	±4%	0.0154	±4%

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	±0.030
1.000	±0.040
1.120
1.250
1.400	±0.050
1.600	±0.050
1.800	±0.060
2.000	±0.060

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
Width(mm) Thickness(mm)		±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	±0.030	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	±0.050	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	±0.060	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 6J12 include:

‌Composition & Material‌:

‌Nickel-Chromium Alloy‌: Primarily composed of nickel and chromium.

‌Minor Additives‌: Contains small amounts of other elements for enhanced properties.

‌Mechanical Properties‌:

‌High Strength‌: Exhibits strong tensile and yield strength.

‌Good Ductility‌: Easily formed and shaped without fracturing.

‌Corrosion Resistance‌:

‌Excellent in Aggressive Environments‌: Highly resistant to corrosion in harsh conditions.

‌Thermal Stability‌:

‌Stable at High Temperatures‌: Maintains properties under elevated temperatures.

‌Electrical Conductivity‌:

‌Moderate Levels‌: Possesses moderate electrical conductivity suitable for specific applications.

Applications:

Aerospace‌: Used in aircraft and spacecraft components.
‌Chemical Processing‌: Suitable for use in chemical plants.
‌Electrical Industry‌: Applied in electrical connectors and resistors.

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