0.2*3 Bright Electric Resistance Flat Ribbon Good Flatness Flat
Wire
Specification:
| Alloy Type | Diameter | Resistivity | Tensile | Elongation
(%) | Bending | Max.
Continuous | Working
Life |
| (mm) | (μΩm)(20°C) | Strength | Times | Service | (hours) |
| (N/mm²) | | Temperature
(°C) |
| Cr20Ni80 | <0.50 | 1.09±0.05 | 850-950 | >20 | >9 | 1200 | >20000 |
| 0.50-3.0 | 1.13±0.05 | 850-950 | >20 | >9 | 1200 | >20000 |
| >3.0 | 1.14±0.05 | 850-950 | >20 | >9 | 1200 | >20000 |
| Cr30Ni70 | <0.50 | 1.18±0.05 | 850-950 | >20 | >9 | 1250 | >20000 |
| ≥0.50 | 1.20±0.05 | 850-950 | >20 | >9 | 1250 | >20000 |
| Cr15Ni60 | <0.50 | 1.12±0.05 | 850-950 | >20 | >9 | 1125 | >20000 |
| ≥0.50 | 1.15±0.05 | 850-950 | >20 | >9 | 1125 | >20000 |
| Cr20Ni35 | <0.50 | 1.04±0.05 | 850-950 | >20 | >9 | 1100 | >18000 |
| ≥0.50 | 1.06±0.05 | 850-950 | >20 | >9 | 1100 | >18000 |
Series
| Alloy Nomenclature Performance | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 |
| Main Chemical composition | Ni | Rest | Rest | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 |
| Fe | ≤1.0 | ≤1.0 | Rest | Rest | Rest |
| Max. continuous service temp. of element(ºC) | 1200 | 1250 | 1150 | 1100 | 1100 |
| Resistivity at 20ºC (μΩ·m) | 1.09 | 1.18 | 1.12 | 1.0 | 1.04 |
| Density(g/cm3) | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 |
| Thermal conductivity (KJ/m·h·ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 |
| Coefficient of lines expansion(α×10-6/ºC) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 |
| Melting point approx.( ºC) | 1400 | 1380 | 1390 | 1390 | 1390 |
| Elongation at rupture(%) | >20 | >20 | >20 | >20 | >20 |
| Micrographic structure | austenite | austenite | austenite | austenite | austenite |
| Magnetic properties | nonmagnetic | nonmagnetic | Weak magnetic | Weak magnetic | Weak magnetic
|
Nickel-chromium, nickel-chromium alloy with high and stable
resistance, corrosion resistance, surface oxidation resistance is
good, a better under high temperature and seismic strength, good
ductility, good workability and weldability.
Resistance wire is wire intended for making electrical resistors
(which are used to control the amount of current in a circuit). It
is better if the alloy used has a high resistivity, since a shorter
wire can then be used. In many situations, the stability of the
resistor is of primary importance, and thus the alloy's temperature
coefficient of resistivity and corrosion resistance play a large
part in material selection.
When resistance wire is used for heating elements (in electric
heaters, toasters, and the like), high resistivity and oxidation
resistance is important.
Sometimes resistance wire is insulated by ceramic powder and
sheathed in a tube of another alloy. Such heating elements are used
in electric ovens and water heaters, and in specialized forms for
cooktops.
Description: Ni35Cr20 ,also called Chromel D, Nikrothal 40, N4, Chromax, HAI-NiCr 40, Tophet D,
Resistohm 40,
Cronifer III, 35-20 Ni-Cr, Alloy D, Nikrothal 4, MWS-610, Stablohm
610,NiCr-D
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