0Cr25Al5
0Cr25Al5 (1.4765) is an iron-chromium-aluminium alloy for use at temperatures up to 1250℃.
Equivalent Grades
| Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
Kanthal A
Resistohm 145 | 0Cr25Al5 | – | ⅡA | – | CrAl25 5 | 1.4765 | – | – | FCHW 1
FCHRW1 | – |
Chemical Composition, %
| Alloy | C | Si | Mn | P | S | Cr | Ni | Al | Fe |
| 0Cr25Al5 | ≤0.06 | ≤0.60 | ≤0.50 | ≤0.025 | ≤0.020 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | 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 | 1.42 | 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 | 1.005 | 1.008 | 1.013 | 1.021 | 1.030 | 1.038 | 1.040 | 1.042 | 1.044 | 1.046 | 1.047 | – |
Available Products and Specifications
| Rod, Bar, Wire and Forgings | GB/T 1234-2012, ASTM B603-01, DIN 17470-1984, JIS C2520-1999 |
| Plate, Sheet and Strip | GB/T 1234-2012, ASTM B603-01, DIN 17470-1984, JIS C2520-1999 |
| Pipe and Tube | – |
| Welding Product | – |
| Others | – |
Features
- High resistivity
- Low temperature coeffcient of electric resistance
- High operating temperature up to 1300℃
- 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
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