0Cr25Al5
0Cr25Al5 is an iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1250℃.
Equivalent Grades
Trademarks | GB | JIS | ASTM | UNS | DIN | W-Nr. | ГОСТ | BS | NF | SS |
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– | 0Cr25Al5 | FCHW1 FCHRW1 | Ⅱ A | – | CrAl25 5 | 1.4765 | – | – | – | – |
Specifications
GB/T 1234-1995 (CN); JIS C2520-199(JP); ASTM B344-01(USA); DIN 17470-1984(GER); GOST 10994 & GOST 12766/1-1990 (RU)
Product Forms
Wire, Bar, Strip, Sheet, Plate, Tube, Mesh, Conveyor belt, Radiant tube heater
Chemical Composition, %
Alloy | C | Si | Mn | P | S | Cr | Ni | Al | Fe |
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0Cr25Al5 | ≤0.06 | ≤0.60 | ≤0.70 | ≤0.025 | ≤0.025 | 23.0~26.0 | ≤0.60 | 4.5~6.5 | Bal |
Mechanical Properties (RT, Annealed)
Tensile Strength, Rm/MPa | Elongation, A/% | Hardness, HB |
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Dia. >3.00mm (for wire) | Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip) |
≥600 | ≥15 | ≥12 | 200~260 |
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 |
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1250 | 1500 | 7.10 | 1.42 | 0.494 | 46.1 | 16.0 | Ferritic | Magnetic |
Life Test
Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
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1300 | ≥80 |
Temperature Factor of Resistivity
20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
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1.000 | 1.002 | 1.005 | 1.008 | 1.013 | 1.021 | 1.030 | 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 | – |
Features
- High resistivity
- Low temperature coeffcient of electric resistance
- High operating temperature up to 1350℃
- Good oxidation resistance under high temperature
Applications
0Cr25Al5 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