Karma resistance wireConductor material:NiCr20AlSi(Karma wire)
Size:the size we can do is ≥0.016mm
Packaging:be fixed into foam,then packed into cartons,then packed into wooden case or plywood pallet.
MOQ:500grams
Karma alloy is made up of copper, nickel, Aluminum and Iron as the main components. The resistivity is 2~3 times higher than Manganin. 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 Manganin (-60~300ºC). It is suitable for making fine precision resistance elements and strain foil.
Chemical Content(%)
Grade | C | Si | Mn | P | S | Ni | Al | Fe | Cr |
Karma | ≤0.04 | ≤0.20 | 0.5~1.05 | ≤0.010 | ≤0.010 | Bal. | 2.7~3.2 | 2.0~3.0 | 19.0~21.5 |
Physical Properties
Grade | Density(g/cm3) | EMF vs Pt(0-100ºC)μv/ºC | Max using Temp (ºC) | Volume resistivity(μΩ.m) | PPM value (×10-6/ºC) |
Karma | 8.1 | ≤2.5 | ≤300 | 1.33±8%(20ºC) | ≤±30(20ºC) |