0Cr23Al5Ti
0Cr23Al5Ti (Х23Ю5Т) is a kind of high electric resistance precision alloys. It is an Fe-Cr-Al alloy adding Ti 0.2~0.5% for using at temperature up to 1350℃.
Specifications
GOST 10994-74, GOST 12766.1-90, GOST 12766.2-90, ТУ 14-11-245-88
Product Forms
Wire, Bar, Strip, Sheet, Plate, Tube, Mesh, Conveyor belt, Radiant tube heater
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Ti | Al | Fe |
|---|
| 0Cr23Al5Ti | ≤0.05 | ≤0.25 | ≤0.30 | ≤0.030 | ≤0.015 | 22.0~24.0 | ≤0.60 | 0.2~0.5 | 5.0~5.8 | Bal |
Mechanical Properties (RT, Annealed)
| Tensile Strength, Rm/MPa | Elongation, A/% | Hardness, HB |
|---|
| Dia. >3.00mm (for wire) | Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip) |
| ≥780 | ≥12 | ≥12 | 200~250 |
Physical Properties
| Max Working Temperature, ℃ | Melting Point, ℃ | Density, g/cm3 | Resistivity, μΩ·m, 20℃ | Specific Heat, J/g·℃ | Thermal Conductivity, KJ/m·h·℃ | Average Coefficient of Linear Expansion, α×10-6/℃ （20~1000℃） | Micrographic Structure | Magnetic Properties |
|---|
| 1350 | 1500 | 7.21 | 1.34-1.45 | 0.460 | 60.2 | 15.0 | Ferritic | Magnetic |
Life Test
| Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
|---|
| 1300 | ≥70 |
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 | – |
Features
- High resistivity
- Low temperature coeffcient of electric resistance
- High operating temperature up to 1350℃
- Good oxidation resistance under high temperature
Applications
0Cr23Al5Ti (Х23Ю5Т) is used in home appliances and industrial furnaces.
- Electrical heating elements in high temperature furnaces for heat treatment
- Ceramic, glass, steel and electronics industries
- Terminals to furnace elements
- Mesh, conveyor belt in 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
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