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Jiangyin Chengxin Alloy Material Co., Ltd ，

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City:changzhou

Province/State:jiangsu

Country/Region:china

Contact Person:MrChangfeng Ye

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China Karma 6J22 Precision Resistance Wire for Measuring Instruments and Electrical Components wholesale

Karma 6J22 Precision Resistance Wire for Measuring Instruments and Electrical Components

Name: Karma 6J22 Precision Resistance Wire for Measuring Instruments and Electrical Components
Brand: Senphus
Price: 1 USD

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Brand Name :Senphus

Model Number :6J22/6J422

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 :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

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Karma 6J22 Precision Resistance Wire for Measuring Instruments and Electrical Components

6J22 is a nickel-chromium alloy with high electrical resistivity and a low temperature coefficient of resistance, making it ideal for precision resistors and strain gauges. It offers excellent corrosion resistance, especially in oxidizing environments, and maintains stable resistance up to high temperatures. Used in various measuring instruments and electrical components where temperature stability is crucial.

Karma Ni-Cr-Al-Fe 6J22/6J422 is a high-performance precision resistance wire that offers excellent thermal stability, corrosion resistance, and mechanical durability. It is ideal for industrial heating, temperature sensing, and resistive components in environments requiring consistent, long-term performance at elevated temperatures.

Chemical composition

Name	Code	Main Composition(%)				Density (g/mm²)	Standard
Name	Code	Cr	Al	Fe	Ni	Density (g/mm²)	Standard
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:

High resistivity: The resistivity of 6J22 precision alloy is about three times higher than that of manganese copper, so it can be used to make high-precision electronic components.
Low temperature coefficient of resistance: 6J22 precision alloy has a low temperature coefficient of resistance, which means that its resistance value changes less at different temperatures.
Low thermoelectric potential to copper: 6J22 precision alloy has a low thermoelectric potential to copper, which means that there will not be too much thermoelectric effect during use.
Good long-term stability of resistance: 6J22 precision alloy has good long-term stability of resistance and can maintain stable performance for a long time.
Good oxidation resistance: 6J22 precision alloy has good oxidation resistance and can be used in high temperature environments for a long time.
Wide operating temperature range: 6J22 precision alloy has a wider operating temperature range than manganese copper and can be used in a wider temperature range.

6J22 alloy is known for its outstanding corrosion resistance, high strength, thermal stability, and versatile applications across aerospace, chemical, and electronic industries. These attributes make it a reliable choice for demanding environments and applications.

Applications:

Making precision resistance components: 6J22 alloy has high resistivity and temperature coefficient, so it is suitable for making precision resistance components in various measuring instruments and meters. For example, resistor sheets made of 6J22 alloy can be used to make precision measuring instruments such as resistor boxes and bridges.
Making micro-resistance components and strain gauges: 6J22 alloy has good processing performance and mechanical properties, so it is suitable for making precision micro-resistance components and strain gauges. For example, micro resistors made of 6J22 alloy can be used to make micro sensors, micro electronic components, etc., while strain gauges can be used to make pressure sensors, strain measuring instruments, etc.

In addition, 6J22 alloy can also be used to make high-precision wires, springs, springs and other components, as well as high-precision instruments and equipment in aviation, aerospace, national defense and other fields.

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