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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 6J22/6J422 Precision Resistance Wire For Precision Resistors And Strain Gauges In High-Temperature Environments wholesale

Karma 6J22/6J422 Precision Resistance Wire For Precision Resistors And Strain Gauges In High-Temperature Environments

Name: Karma 6J226J422 Precision Resistance Wire For Precision Resistors And Strain Gauges In HighTemperature Environments
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 6J22/6J422 Precision Resistance Wire for Precision Resistors and Strain Gauges in High-Temperature Environments

Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire is a high-performance alloy widely used in various industrial and electrical applications. Karma Ni-Cr-Al-Fe 6J22/6J422 Precision Resistance Wire is versatile and widely used in applications requiring stable and precise heat generation, resistive heating, and temperature sensing. Its high thermal stability, oxidation resistance, and long-lasting durability make it an ideal choice for heating elements, precision resistors, industrial heating systems, and temperature monitoring devices across a range of demanding industries.

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 Resistance and Stability: The Ni-Cr-Al-Fe composition provides excellent resistivity, making the wire suitable for use in precision resistors and heating elements that require consistent resistance over time, even at high temperatures.
Thermal Stability: The alloy maintains high thermal stability, allowing it to function effectively in environments with fluctuating temperatures, which is essential in applications such as heating elements and temperature sensors.
Good Corrosion Resistance: The combination of chromium and aluminum in the alloy offers good resistance to oxidation and corrosion, allowing the wire to perform well in harsh or corrosive environments, including industrial heating applications.
High Durability: The material is durable and resistant to mechanical wear, making it ideal for long-life applications, such as resistive heating wires, electric ovens, and industrial furnaces.
Flexibility and Workability: The wire is easy to form and can be manufactured into various shapes, including coils, spirals, or straight wires, providing versatility in different applications.

Applications:

1. Heating Elements

Karma Ni-Cr-Al-Fe 6J22/6J422 is commonly used in heating elements for electric ovens, furnaces, and dryers. Its high resistivity ensures consistent heat generation when an electric current is passed through the wire, making it ideal for heating applications that require reliable and long-lasting performance at elevated temperatures.

2. Temperature Sensors and Thermocouples

Due to its stable electrical properties and high thermal resistance, the wire is frequently used in temperature sensors and thermocouples. It provides accurate temperature readings in industrial processes and equipment that require precise temperature control, such as furnaces, kilns, and temperature monitoring systems.

3. Precision Resistors

The wire is used to manufacture precision resistors, which are components that need to provide a specific, consistent resistance value over time. These resistors are widely used in electrical circuits, measurement devices, and control systems where precise resistance is crucial.

4. Industrial Heating Systems

Karma Ni-Cr-Al-Fe 6J22/6J422 is widely employed in industrial heating systems, including industrial kilns, metal smelting furnaces, and heat treating equipment. Its high resistance to oxidation and corrosion ensures reliable operation even in aggressive environments with high temperatures and potentially corrosive gases.

5. Electric Furnaces and Kilns

The alloy's ability to withstand high temperatures and resist oxidation makes it ideal for use in electric furnaces and kilns, which are employed in industries such as ceramics, glass manufacturing, and metal processing.

6. Resistive Heating Coils

Ni-Cr-Al-Fe 6J22/6J422 is used to create resistive heating coils for applications like heating pads, defrosting units, and electric heating blankets. The wire’s ability to generate consistent heat with high energy efficiency makes it suitable for these applications.

7. High-Temperature Electrical Components

This wire is used in high-temperature electrical components such as electrical contacts, connectors, and busbars in power generation and electrical distribution systems. Its durability under thermal and mechanical stress makes it ideal for these high-performance applications.

8. Laboratory Equipment

Karma Ni-Cr-Al-Fe 6J22/6J422 is used in laboratory heating equipment such as incubators, drying ovens, and high-precision test equipment, where the ability to maintain consistent temperature is essential for accurate experiments.

9. Resistor Networks in Electronics

The wire is used to make resistor networks in electronic devices, ensuring precise voltage control and stable electrical properties. This is critical for devices like power supplies, voltage dividers, and signal processing circuits.

10. Thermal Stabilization Systems

It is also employed in thermal stabilization systems that regulate and maintain consistent temperatures in industrial processes, including in vacuum furnaces, annealing equipment, and metal casting systems.

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