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Well-designed Hytemco - Moleculoy Wire/Evanohm/800 Moleculoy – TANKII

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Well-designed Hytemco - Moleculoy Wire/Evanohm/800 Moleculoy – TANKII Detail:

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)
Resistivity
(μΩ.m)
  (20ºC)
Temp. Coeff.Of Resistance
(αX10-6/ºC)
(0~100ºC)
ThermalEMF vs.

Copper
(μv/ºC)

Max.working
Temp.(ºC)
(%)
Elongation
(N/mm2)
Tensile
Strength
Standard
Karma 6J22 1.33±0.07 ≤±20 ≤2.5 ≤300 >7 ≥780 JB/T 5328

4. Distinctive features of Karma resistance wire

1) Starting with Nickel Chromium electric heat wire Class 1, we replaced some of the Ni with
Al and other elements, and thus achieved a precision resistance material with improved
resistance temperature coefficient and heat electromotive force against copper.
With the addition of Al, we have succeeded in making volume resistivity 1.2 times greater
than Nickel Chromium electric heat wire Class 1 and the tensile strength 1.3 times greater.

2) The secondary temperature coefficient β of Karmalloy wire KMW is very small, - 0.03 × 10-6/ K2,and the resistance temperature curve turns out to be almost a straight line within a wide
temperature range.

Therefore, the temperature coefficient is set to be the average temperature coefficient between
23 ~ 53 °C, but 1 × 10-6/K, the average temperature coefficient between 0 ~ 100 °C, also may
be adopted for the temperature coefficient.

3) Electromotive force against copper between 1 ~ 100 °C is also small, below + 2 μV/K, and
exhibits excellent stability over a period of many years.

4) If this is to be used as a precision resistance material, low temperature heat treatment is
required to eliminate processing distortions just as in the case of Manganin wire CMW.


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With advanced technologies and facilities, strict high quality regulate, reasonable price tag, excellent support and close co-operation with shoppers, we have been devoted to furnishing the best benefit for our buyers for Well-designed Hytemco - Moleculoy Wire/Evanohm/800 Moleculoy – TANKII , The product will supply to all over the world, such as: Jordan, Costa Rica, Israel, With well educated, innovative and energetic staff, we are responsible for all elements of research, design, manufacture, sale and distribution. By studying and developing new techniques, we are not only following but also leading fashion industry. We listen attentively to the feedback from our customers and provide instant replies. You will instantly feel our professional and attentive service.
  • Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Ophelia from Atlanta - 2018.02.04 14:13
    The supplier abide the theory of "quality the basic, trust the first and management the advanced" so that they can ensure a reliable product quality and stable customers.
    5 Stars By Martin Tesch from Hanover - 2017.08.15 12:36
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