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KANGTONG (Constantan alloy wire)

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Product description
Parameters

Nickel chromium and nickel chromium iron alloy is the most widely used high resistance alloys for electrical heating, the alloy has higher resistivity, good oxidation resistance and wear resistance, good mechanical properties and welding performance, under high temperature and high strength. The alloy is suitable for metallurgy, chemical industry, machinery, glass, ceramics and household electrical appliances and other industrial sectors, such as the production of heating elements, various types of motor voltage regulator and brake resistor.

Chemical composition(Standard: GB/T1234-1995)

 

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~
0.0
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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