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KANGTONG (Constantan alloy wire)


With copper and nickel as the main component. Has a low resistance temperature (below 500 degrees Celsius), good mechanical processing performance, corrosion resistance and brazing. Variable resistance and strain resistance elements in an alternating current instrument.



Key word:

Thermocouple Wire


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Product Details


With copper and nickel as the main component. Has a low resistance temperature (below 500 degrees Celsius), good mechanical processing performance, corrosion resistance and brazing. Variable resistance and strain resistance elements in an alternating current instrument.

 

Chemical composition(Standard: GB/T6145-2010)

Name Code Main Composition% Standard
Cu Mn Ni Cr    
Constantan 6J40 Bal. 1~2 39~41 - GB/T6145-2010

 

Properties

Name Code Resistivity(μΩ.m)

Temp.Coeffi. Of Resistance(℃)

(0~100℃) Thermal
EMF vs. Copper
Max.working
Temp.(℃)
Elongation(%) Tensile Strength
(N/mm2)
Standard
Constantan 6J40 0.48±0.03 ≤±40 45 ≤500 ≥15 ≥390 GB/T6145-2010

 

Diameter and Tolerance

Diameter(mm) 0.02~0.028 0.032~0.10 0.112~0.28 0.135~0.50 0.56~1.0 1.06~1.60 1.70~2.12 2.24~3.00 3.15~4.50 Standard
Tolerance(mm) ±0.002 ±0.003 ±0.005 ±0.010 ±0.015 ±0.020 ±0.025 ±0.030 ±0.035 GB/T6145-2010

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