Karma Nickel Based Precision Alloy Foil Corrosion Resistant Heating Strip
High Quality Karma Nickel Based Alloy Foil Corrosion Resistant Heating Strip
Introduction :
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
Wire: 0.018mm-10mm
Ribbon: 0.05*0.2mm-2.0*6.0mm
Strip: 0.5*5.0mm-5.0*250mm
Bar: 10-100mm
3.Karma Property
| name | code | Main Composition (%) |
Standard
|
|||
| Cr | Al | Fe | Ni | |||
| Karma | 6J22 | 19~21 | 2.5~3.2 | 2.0~3.0 | bal. | JB/T 5328 |
| Name | Code |
(20ºC) vity |
(20ºC) Of Resistance |
(0~100ºC) EMF vs. Copper |
Max.workin g |
(%) on |
(N/mm2) Tensile Strength |
Standard |
| Karma | 6J22 | 1.33±0.07 | ≤±20 | ≤2.5 | ≤300 | >7 | ≥780 | JB/T 5328 |
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