Karma
    • Karma
Product Details:

Karma is an alloy of nickel, chromium, aluminum, iron. It has characteristics of a higher resistivity than nickel chromium, low temperature coefficient of resistance, good wear resistance, heat resistance and better corrosion resistance. It is suitable for making slide resistance, standard resistor, miniature instruments, precision instruments with resistive element and the high resistance elements, etc.

 

Alloy
name

Co
d
e

Main components

Resistivity
μOΩmiddot;m
(20℃)

Temp. Coff.
of Resistance alpha;×106/℃ (20~100℃)

Elongation (﹪)

Tensile strength (N/mm2)

Density (g/cm3)

Melting point(℃)

Working temp.(℃)

Ni

Cr

Al

Fe

Karma

6J22

Remmainder

19~
21.5

2.5~3.2

2~3

 

1.33±0.07

         
-20~+20

3~35

≥690

8.10

1350

-60~300

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