0Cr23Al5 is an iron-chromium-aluminium alloy for use at temperatures up to 1250℃. Equal to Kanthal D.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
Kanthal D
Resistohm 135 | 0Cr23Al5 | Х23Ю5
Х23Ю5Т | ⅡB | – | | – | – | – | – | – |
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Al | Fe |
| 0Cr23Al5 | ≤0.06 | ≤0.60 | ≤0.70 | ≤0.025 | ≤0.025 | 20.5-23.5 | ≤0.60 | 4.2~5.3 | Bal |
Mechanical Properties (RT, Annealed)
| Tensile Strength, Rm/MPa | Elongation, A/% |
Dia. >3.00mm (Wire)
Thk. >0.20mm (Strip) | Dia. 0.10-3.00mm (Wire)
Thk. ≤0.20mm (Strip) |
| ≥600 | ≥15 | ≥12 |
Physical Properties
| Max Working Temp., ℃ | Melting Point, ℃ | Density, g/cm3 | Resistivity, μΩ·m 20℃ | Specific Heat, J/(g•K) | Thermal Conductivity, W/(m•K) 20℃ | Average Coefficient of Thermal Expansion,α×10-6/℃ 20-1000℃ | Micrographic Structure | Magnetic Properties |
| 1300 | 1500 | 7.25 | 1.35 | 0.46 | 13 | 15.0 | Ferrite | Magnetic |
Life Test
| Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
| 1300 | ≥80 |
Temperature Factor of Resistivity
| 20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
| 1.000 | 1.002 | 1.007 | 1.014 | 1.024 | 1.036 | 1.056 | 1.064 | 1.070 | 1.074 | 1.078 | 1.081 | 1.084 | – |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | GB/T 1234-2012, GOST 12766.1-1990, GOST 12766.3-1990, GOST 12766.4-1990, GOST 12766.5-1990, ASTM B603-01 |
| Plate, Sheet and Strip | GB/T 1234-2012, GOST 12766.2-1990, ASTM B603-01 |
| Pipe and Tube | – |
| Welding Product | – |
| Others | GOST 10994 |
Features
- High resistivity
- Low temperature coefficient of electric resistance
- High operating temperature
- Good oxidation resistance under high temperature
Applications
0Cr23Al5 is used in home appliances and industrial furnaces.
- Metal sheathed tubular elements for dishwashers
- Elements embeded 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
- Coils on molded ceramic fibre for boiling plates with ceramic hobs
- Bead insulated coils for panel heaters
- Suspended coil elements for air heaters in laundry dryers
- Terminals to furnace elements
- Porcupine elements for air heating
- Furnace heating elements
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