1Cr13Al4
1Cr13Al4 is an iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 950℃.
Equivalent Grades
Trademarks | GB | JIS | ASTM | UNS | DIN | W-Nr. | ГОСТ | BS | NF | SS |
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Alkrothal 14 | 1Cr13Al4 | – | Ⅳ | – | CrAl14 4 | 1.4725 | Х13Ю4 | – | – | – |
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 |
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1Cr13Al4 | ≤0.12 | ≤1.00 | ≤0.70 | ≤0.025 | ≤0.025 | 12.0~15.0 | ≤0.60 | 4.0~6.0 | Bal |
Mechanical Properties (RT, Annealed)
Tensile Strength, Rm/MPa | Elongation, A/% | Hardness, HB |
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Dia. >3.00mm (for wire) | Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip) |
≥580 | ≥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 |
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950 | 1450 | 7.40 | 1.25 | 0.490 | 52.7 | 15.4 | Ferritic | Magnetic |
Life test
Test Temperature, ℃ | Continuous Service Time Hours, ℃ |
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950 | ≥80 |
Temperature Factor of Resistivity
20℃ | 100℃ | 200℃ | 300℃ | 400℃ | 500℃ | 600℃ | 700℃ | 800℃ | 900℃ | 1000℃ | 1100℃ | 1200℃ | 1300℃ |
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1.000 | 1.005 | 1.014 | 1.028 | 1.044 | 1.064 | 1.090 | 1.120 | 1.132 | 1.142 | 1.150 | – | – | – |
Features
- High resistivity
- Low temperature coefficient of electric resistance
- High operating temperature
- Good oxidation resistance under high temperature
Applications
1Cr13Al4 is typically used for electrical resistance wire for applications such as heating cables.