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Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching

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Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching

Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching
Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching

Large Image :  Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching

Product Details:
Place of Origin: Shanghai, China
Brand Name: TANKII
Certification: ISO9001:2015
Model Number: Karma
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: To negotiate
Packaging Details: Spool, Coil, Carton, Wooden case with Plastic Film According to Client's Requirements
Delivery Time: 7-15 days
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 20+TON+MONTH

Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching

Description
Alloy: Nickel Based Alloy Feature: Corrosion Resistant
Surface: Smooth Shipment: Air, Sea, Rail
Resistance: Stable Application: Industry
High Light:

precision tubing

,

kovar alloy

Evanohm /Karma/ Nickel Chromium/Pure Nickel /Constantan foil 0.008mm

 

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. 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.

 

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)
Resisti

vity
(μΩ.m)

(20ºC)
Temp. Coeff.

Of Resistance
(αX10-6/ºC)

(0~100ºC)
Thermal

EMF vs.

Copper
(μv/ºC)

Max.workin

g
Temp.(ºC)

(%)
Elongati

on

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

 

Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching 0Evanohm / Karma / Nickel Chromium / Pure Nickel / Constantan Foil 0.008mm Fine Thickness For Etching 1

Contact Details
Shanghai Tankii Alloy Material Co.,Ltd

Contact Person: tankii

Tel: +8615000002421

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