0Cr23Al6Y
0Cr23Al6Y is a kind of new high temperature resistance alloy which has great ability of carburizing resistance. Through adding rare earth Y and other element combines, explore Kanthal A-1 alloy to improve, finally succeed in producing resistance heating alloy 0Cr23Al6Y, its ability is better than 0Cr21Al6Nb and 0Cr27Al7Mo2, reach Kanthal lever.
Specifications
GB/T 1234-1995 (CN)
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 | Other |
---|
0Cr23Al6Y | ≤0.12 | ≤1.00 | ≤0.70 | ≤0.025 | ≤0.025 | 20.5~23.5 | ≤0.60 | 4.5~6.5 | Bal | Add La+Ce, Co, Ti, Nb, Y, Zr, Hf ect, total 0.04~1.00 |
Mechanical Properties (RT, Annealed)
Tensile Strength, Rm/MPa | Elongation, A/% |
---|
Dia. >3.00mm (for wire) | Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip) |
≥700 | ≥16 | ≥13 |
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 | 1510 | 7.10 | 1.44 | 0.49 | 50.0 | 16.0 | Ferritic | Magnetic |
Life Test
Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
---|
1350 | ≥76.2 |
Temperature Factor of Resistivity
20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
---|
1.000 | 0.995 | 0.996 | 0.993 | 0.991 | 0.990 | 0.990 | 0.998 | 0.980 | 0.978 | 0.970 | 0.968 | 0.967 | – |
Features
- High resistivity
- Low temperature coefficient of electric resistance
- High operating temperature
- Good oxidation resistance
- Carburizing resistance under high temperature
Applications
- Heating elements in high temperature furnaces for heat treatment ceramics, glass, steel and electronics industries