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.
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Thermocouple Wire
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Product Details
With copper and nickel as the main component. Has a low resistance temperature coefficient, a wide range of use 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
Name | Code | Main Composition% | Standard | |||
Cu | Mn | Ni | Cr | |||
Constantan | 6J40 | Bal. | 1~2 | 39~41 | - | GB/T6145-2010 |
Properties
Name | Code | Resistivity(20℃) (μΩ.m) |
Temp.Coeffi. Of |
(0~100℃) Thermal EMF vs. Copper(μv/℃) |
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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