0Cr23Al5 Ferro-Chromium-Aluminum Wire
Also Known As: Kanthal D, Alloy 815, Alchrome DK, Alferon 901, Resistohm 135, Aluchrom 5, Stablohm 812, KD, Aluchrom I, Icralloy 20, Alferon 20, Alloy K etc.
Max 1300°C| Chemical Composition (%) | |
|---|---|
| C | ≤0.06 |
| P | ≤0.025 |
| S | ≤0.02 |
| Mn | ≤0.5 |
| Si | ≤0.6 |
| Cr | 20.5–23.5 |
| Ni | ≤0.6 |
| Al | 4.2–5.3 |
| Fe | Remainder |
| Physical Properties | |
| Max. Operating Temp. | 1300°C |
| Resistivity at 20°C (μΩ·m) | 1.35±0.07 |
| Density | 7.25 g/cm³ |
| Thermal Conductivity (20°C) | 13 W/(m·K) |
| Linear Expansion Coeff. (20–1000°C) | 15.0×10⁻⁶/°C |
| Specific Heat Capacity | 0.46 J/(g·K) |
| Approx. Melting Point | 1500°C |
| Elongation (A/%) | ≤3.0mm: ≥12%; >3.0mm: ≥15% |
| Tensile Strength (Rm) | ≥600 MPa |
| Accelerated Life Test | ≥80h/1300°C |
| Microstructure | Ferrite |
| Magnetic Properties | Magnetic |
| Available Forms | |
| Bright & Soft Annealed Wire | 0.05–1.6mm |
| Acid-Pickled / Oxidation Wire | 1.0–12.0mm |
| Golden Color Wire | 1.0–3.9mm |
| Blue Color Wire | 4.0–10.0mm |
| Rods | 6.0–150.0mm |
0Cr23Al5 — Versatile Industrial Heating Alloy
0Cr23Al5 is a versatile ferro-chromium-aluminum alloy equivalent to Kanthal D. It offers a balanced combination of high-temperature performance, oxidation resistance, and cost efficiency. Widely used across industries for general-purpose heating elements, this alloy provides reliable service at temperatures up to 1300°C in oxidizing atmospheres.
Key Advantages
- Excellent oxidation resistance up to 1300°C
- Good balance of performance and cost
- High resistivity for efficient heating
- Good ductility for winding and forming
- Long operational life in oxidizing environments
- Self-healing protective oxide layer
Typical Applications
- Industrial electric furnaces and ovens
- Kiln heating elements for ceramics and pottery
- Domestic and commercial heating appliances
- Heat treatment equipment
- Residential heating elements (space heaters)
- Drying and baking ovens
Standards & Equivalents
International Standard Cross-Reference for 0Cr23Al5
| GB/T (China) | 0Cr23Al5 |
|---|---|
| Sandvik Kanthal | Kanthal D |
| W.Nr. / EN | 1.4725 (similar) |
| Classification | Standard FeCrAl alloy |