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| Brand Name: | DLX |
| Model Number: | 1Cr13Al4 |
| MOQ: | 10KG |
| Payment Terms: | L/C,T/T,Western Union |
| Supply Ability: | 1200 tons per month |
1Cr13Al4 is a ferritic iron-chromium-aluminum (FeCrAl) electrical resistance heating alloy engineered for continuous working temperatures up to 950°C. Characterized by high electrical resistivity, a low temperature coefficient of resistance, superior oxidation resistance, and excellent formability, 1Cr13Al4 provides a cost-effective alternative to nickel-chromium alloys in medium-temperature heating environments.
When heated in air, 1Cr13Al4 forms a dense, self-healing aluminum oxide (Al2O3) protective layer on the surface, preventing further degradation and ensuring consistent heating element lifespan. DLX supplies 1Cr13Al4 flat wire, ribbon, and strip with tight dimensional tolerances, uniform resistance, and stable mechanical properties tailored for industrial and OEM heating applications.
| Alloy Nomenclature Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 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 | |
| Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
| Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| 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 | ||
| Coefficient of lines expansion(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 rupture(%) | >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 Servicetime(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 |
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Q1: What are the main advantages of 1Cr13Al4 compared to NiCr heating alloys?
A1: 1Cr13Al4 provides higher electrical resistivity (1.25 μΩ·m) and lower material density (7.40 g/cm³) than NiCr alloys, which reduces element weight by up to 20% for equivalent electrical resistance. It also offers superior resistance to sulfur-bearing atmospheres at a more competitive cost structure.
Q2: What is the maximum continuous working temperature for 1Cr13Al4 flat ribbon?
A2: The maximum continuous operating temperature is 950°C (1742°F). At temperatures below 950°C, it develops a stable Al2O3 oxide film that delivers prolonged service life.
Q3: What are the packaging and MOQ terms for DLX 1Cr13Al4 strip and wire?
A3: Standard minimum order quantity is 5 kg, with 0.5 kg free sample batches available for testing. Packaging includes precision DIN spools inside seaworthy carton boxes or heavy-duty plastic-wrapped coils on wooden pallets. Monthly manufacturing capacity is 1,200 tons.
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