Constantan Alloy Wire

Model NO.
6J40
Origin
Jiangyin, China
Reference Price
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Product Description

Constantan wire

Constantan wire has low resistance temperature coefficient, wide operating temperature range (below 500ºC), good machining performance, corrosion resistance and brazing.Variable resistance and strain resistance elements can be made in ac instruments.

Chemical composition
Name
Code
Main composition
Density
Cu
Mn
Ni
Cr
g/mm²
conatantan
6J40
Bal.
1-2
39-41
_
8.9

Diamter and Tolerance
 
Diamter 0.02-0.028 0.032-0.10 0.112-0.28 0.315-0.50 0.56-1.0 1.06-1.60 1.70-2.12 2.24-3.00 3.15-4.50
Tolerance ±0.002 ±0.003 ±0.05 ±0.010 ±0.015 ±0.020 ±0.025 ±0.030 ±0.035
 
Properties
Name
Type
(20ºC) Resistivity (μΩ.m)
(20ºC) Temp. Coeff. Of Resistance (αX10-6/ºC
(0~100ºC) Thermal EMF vs. Copper (μv/ºC
Max.working Temp.(ºC)
Elongation (%)
Tensile Strength (N/mm2)
Constantan
6J40
0.48±0.03
≤±40
45
≤500
≥15
≥390

Production process
Constantan Alloy Wire
Packing&Delivery



 

 

Alloy