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Custom Size Nichrome Flat Wire With High Heat Resistance Karma Flat Wire For Precision Resistance Material
Nichrome Flat Wire Karma Flat Wire To Be Used As Precision Resistance Material
1. Karma Alloy
Karma alloy is made up of copper, nickel, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than MENTONG.
It has lower temperature coefficient of resistance(TCR), lower thermal EMF versus copper, good permanence of resistance for a long period of time
and strong anti-oxidation. Its working temperature range is wider than MENTONG (-60~300ºC). It is suitable for making fine precision resistance elements and strain.
2. Karma Size
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Wire: 0.018mm-10mm
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Ribbon: 0.05*0.2mm-2.0*6.0mm
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Strip: 0.5*5.0mm-5.0*250mm
3. Karma Property
Main Composition (%)
|
Name
|
Code
|
Cr
|
Al
|
Fe
|
Ni
|
Standard
|
|---|---|---|---|---|---|---|
|
Karma
|
6J22
|
19~21
|
2.5~3.2
|
2.0~3.0
|
bal.
|
JB/T 5328
|
Performance Parameters
|
Name
|
Code
|
(20ºC) Resistivity (μΩ.m)
|
(20ºC) Temp. Coeff. Of Resistance (αX10⁻⁶/ºC)
|
(0~100ºC) Thermal EMF vs. Copper (μv/ºC)
|
Max. working Temp.(ºC)
|
Elongation (%)
|
Tensile Strength (N/mm²)
|
Standard
|
|---|---|---|---|---|---|---|---|---|
|
Karma
|
6J22
|
1.33±0.07
|
≤±20
|
≤2.5
|
≤300
|
>7
|
≥780
|
JB/T 5328
|
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