Kanthal D Resistance Heating Wire and Resistance Wire
Grand Metal Corporation carries a variety of Kanthal Brand product and supply at reasonable cost.
Kanthal D is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1300°C (2370°F). The alloy is characterized by high resistivity and good oxidation resistance.
Kanthal D is used in home appliances and industrial furnaces. Typical applications in home appliances include metal sheathed tubular elements for dishwashers, elements embedded in ceramics for panel heaters, cartridge elements in metal dies, heating cables and rope heaters in defrosting and deicing elements, mica elements used in irons, quartz tube heaters for space heating, industrial infrared dryers, in coils on molded ceramic fibre for boiling plates with ceramic hobs, in bead insulated coils for panel heaters, in suspended coil elements for air heaters in laundry dryers.
In industrial applications Kanthal D is used in, for example, terminals to furnace elements, porcupine elements for air heating, and in furnace heating elements.
Useful Information of Kanthal D Resistance heating wire and resistance wire
Chemical Composition
|
Si % |
Mn % |
Cr % |
Al % |
Fe % |
|
| C % |
|
|
|
|
|
|
| Nominal composition |
|
|
|
|
4.8 |
Bal. |
| Min |
- |
- |
- |
20.5 |
- |
|
| Max |
0.08 |
0.7 |
0.5 |
23.5 |
- |
|
Mechanical Properties
| Wire size |
Yield strength |
Tensile strength |
Elongation |
Hardness |
| Ø |
Rp0.2 |
Rm |
A |
|
| mm |
MPa |
MPa |
% |
Hv |
| 1 |
485 |
670 |
23 |
230 |
| 4 |
450 |
650 |
18 |
230 |
Mechanical Properties At Elevated Temperature
| MECHANICAL PROPERTIES AT ELEVATED TEMPERATURE |
|
| Temperature °C |
900 |
|
| MPa |
34 |
|
Creep Strength - 1% Elongation In 1000 H
| CREEP STRENGTH - 1% ELONGATION IN 1000 H |
| Temperature °C |
800 |
900 |
| MPa |
1.2 |
0.5 |
Mechanical Properties
| Density g/cm3 |
7.25 |
| Electrical resistivity at 20°C Ω mm2/m |
1.35 |
| Poisson's ratio |
0.3 |
Young's Modulus
| Temperature °C |
20 |
100 |
200 |
400 |
600 |
800 |
1000 |
| GPa |
220 |
210 |
205 |
190 |
170 |
150 |
130 |
Coefficient of Thermal Expansion
| Temperature °C |
Thermal Expansion x 10-6/K |
| 20 - 250 |
11 |
| 20 - 500 |
12 |
| 20 - 750 |
14 |
| 20 - 1000 |
15 |
Thermal Conductivity
| Temperature °C |
50 |
600 |
800 |
1000 |
1200 |
| W m-1 K-1 |
11 |
20 |
22 |
26 |
27 |
Specific Heat Capacity
| Temperature °C |
20 |
100 |
200 |
400 |
600 |
800 |
1000 |
| GPa |
220 |
210 |
205 |
190 |
170 |
150 |
130 |
Coefficient Of Thermal Expansion
| COEFFICIENT OF THERMAL EXPANSION |
| 20 - 250 |
11 |
| 20 - 500 |
12 |
| 20 - 750 |
14 |
| 20 - 1000 |
15 |
| 20-1200 |
16 |
| 20-1400 |
16 |
Thermal Conductivity
| Temperature °C |
50 |
600 |
800 |
1000 |
1200 |
1400 |
| W/(m K) |
11 |
20 |
22 |
26 |
27 |
35 |
Specific Heat Capacity
| Temperature °C |
20 |
200 |
400 |
600 |
800 |
1000 |
1200 |
| kJ kg-1 K-1 |
0.46 |
0.56 |
0.63 |
0.75 |
0.71 |
0.72 |
0.74 |
| Melting point °C |
1500 |
| Max continuous operating temperature in air °C |
1300 |
| Magnetic properties |
The material is magnetic up to approximately 600°C (Curie point). |
| Emissivity - fully oxidized material |
|
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