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FeCrAl Round Wire High Temperature 1500℃ Heat Stress-Resistant Wires 0Cr23Al5 Wire
Product Introduction
0Cr23Al5 Wire is a high resistance electric heating alloy wire, the main chemical composition is carbon content ≤0.06%, silicon content ≤0.60%, manganese content ≤0.50%, phosphorus content ≤0.025%, sulfur content ≤0.025%, chromium content 20.5%~23.5%, nickel content ≤0.60%, aluminum content 4.2%~5.3%, the balance is iron. It has high resistivity 1.35±0.06μΩ·m (wire diameter 0.03~8.00mm) and 1.35±0.07μΩ·m (strip thickness 0.05~3.50mm), density 7.8 g/cm³, melting point about 1450℃, maximum use temperature up to 1300℃.
This alloy wire has excellent oxidation resistance and high temperature strength. Due to the high content of chromium and aluminum, it can form a dense oxide protective film at high temperature, effectively resisting oxidation and corrosion. It also has good processing properties and can be processed by bending, stamping, cutting, welding and other processing techniques. 0Cr23Al5 Wire is widely used in the manufacture of electric heating elements, such as electric heating tubes, electric heating wires, electric heating plates, etc. It is suitable for chemical, petroleum, ceramics, textile and other industrial fields, and is also used in household electric heaters, industrial heating equipment and ambient temperature sensors.
Parameter
| Shape | Size (mm) |
| Wire | 0.025-8.00mm |
| Rod | 8.00-50.00mm |
| Robbin | (0.05-0.35)*(0.5-6.0)mm |
| Strip | (0.50-2.50)*(5.00-180.00)mm |
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4/ 0Cr19Al3 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Main chemical composition | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
| Rest | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
| Others | -- | -- | -- | -- | -- | Nb 0.5 | Mo 1.8-2.2 | |
| Max. continuous service temp. of element( °C ) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resistivity at 20ºC(μΩ@m) | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
| Density(g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Thermal conductivity(KJ/m@h@ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | ||
| Line expansion coefficient(α×10-6/ºC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Melting point approx.( ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Tensile Strength(N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Elongation at break(%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Repeat bending frequency(F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Hardness (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| continuous service time(Hours/ºC) | -- | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
| Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | |
Specific Applications
Advantages and Characteristics
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Related Questions and Answers
Q: What is the resistivity of 0Cr23Al5 Wire?
A: The resistivity is as high as 210×10⁶μΩ·m.
Q: What is the operating temperature range of 0Cr23Al5 Wire?
A: The operating temperature can be as high as 1300℃.
Q: What is the corrosion resistance of 0Cr23Al5 Wire?
A: It has high chromium content and good corrosion resistance and oxidation resistance.
Q: What is the tensile strength of 0Cr23Al5 Wire?
A: The tensile strength is 600 MPa.
Q: What is the elongation after break of 0Cr23Al5 Wire?
A: ≥15% (wire d＞3; strip t＞0.2), or ≥12% (wire d=0.1~3; strip t＞0.2).
Q: What equipment is 0Cr23Al5 Wire commonly used for?
A: It is commonly used in electric heating elements such as electric heating tubes, electric heating wires, and electric heating plates.
