Project Description
0Cr23Al5
0Cr23Al5 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 |
---|---|---|---|---|---|---|---|---|---|---|
Kanthal D Resistohm 135 Alloy 815 Alohrome DK Alferon 901 Aluchrom 5 Stablohm 812 | 0Cr23Al5 | – | Ⅱ A | – | CrAl25 5 | 1.4765 | Х23Ю5 Х23Ю5Т | – | – | – |
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 |
---|---|---|---|---|---|---|---|---|---|
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/% | Hardness, HB | |
---|---|---|---|
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 |
---|---|---|---|---|---|---|---|---|
1250 | 1500 | 7.25 | 1.35 | 0.460 | 60.2 | 15.0 | Ferritic | 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 | – |
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