Shanghai Tankii Alloy Material Co.,Ltd

Shanghai Tankii Alloy Material Co.,Ltd

 

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Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon

Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon

  • Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon
  • Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon
  • Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon
  • Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon
Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon
Product Details:
Place of Origin: Shanghai,China
Brand Name: TANKII
Certification: SGS
Model Number: Karma
Payment & Shipping Terms:
Minimum Order Quantity: 10KG
Price: negotiable
Packaging Details: wooden case
Payment Terms: L/C, T/T, Western Union
Supply Ability: 100Tons per month
Contact Now
Detailed Product Description
Resistivity: 1.33 Density: 8.1g/cm3
MOQ: 10KG Sample: Free
High Light:

nichrome resistance wire

,

nichrome wire

0.025mm, Karma, NiCr20AlSi, ISAohm 80, Presicion Resisitance alloy Round Wire / Ribbon
 
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 (-60~300℃). It is suitable for making fine precision resistance elements and strain.


 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.

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.

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.

 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.

 

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

(20℃)
Resisti

vity
(μΩ.m)

(20℃)
Temp. Coeff.

Of Resistance
(αX10-6/℃)

(0~100℃)
Thermal

EMF vs.
Copper
(μv/℃)

Max.workin
g
Temp.(℃)

(%)
Elongati

on

(N/mm2)
Tensile
Strength
Standard
Karma 6J22 1.33±0.07 ≤±20 ≤2.5 ≤300 >7 ≥780 JB/T 5328


Wire: 0.01mm-10mm
Strip: 0.5*5.0mm-5.0*250mm

 Presicion Resisitance Karma ISAohm 80, NiCr20AlSi 0.025mm Nicr Alloy Round Wire / Ribbon 0
 
 

Contact Details
Shanghai Tankii Alloy Material Co.,Ltd

Contact Person: Matt

Tel: +8618918855652

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