Wholesale Manufacturer APM FeCrAl Strip for Radiant Heating Elements and Heat Treatment Furnaces
Powder Metallurgy APM FeCrAl Heating Alloy Strip up to 1400°C
This product takes refined master alloy as raw material, uses powder metallurgy technology to manufacture alloy ingots, and is manufactured by special cold and hot processing and heat treatment process. The product has the advantages of strong oxidation resistance, good corrosion resistance at high temperature, small creep of electrothermal components, long service life at high temperature and small change of resistance. It is suitable for high temperature 1400 C, high power density, corrosive atmosphere, carbon atmosphere and other working environments. It can be used in ceramic kilns, high temperature heat treatment furnaces, laboratory furnaces,
electronic industrial furnaces and diffusion furnaces.
main composition
| C | Si | Mn | Cr | Al | Fe | |
| Min | - | - | - | 20 | 5.5 | Bal. |
| Max | 0.04 | 0.5 | 0.4 | 22 | 6.0 | Bal. |
Main mechanical properties
Tensile Strength at Room Temperature: 650-750MPa
Elongation rate: 15-25%
Hardness: HV220-260
1000ºC Tensile Strength at 1000ºC Temperature 22-27MPa
1000ºC 6MPa High Temperature Durability at 1000 Temperature and 6MPa ≥100h
Main physical properties
density 7.1g/cm3
resistivity 1.53×10-6 Ω.m
Resistance Temperature Coefficient(Ct)
melting point:1500ºC
Maximum Continuous Working Temperature 1400ºC
| 800ºC | 1000ºC | 1400ºC |
| 1.03 | 1.04 | 1.05 |
Average linear expansion coefficient
| 20-800ºC | 20-1000ºC | 20-1400ºC |
| 14 | 15 | 16 |
Fast life
| 1400ºC | 1370ºC | |
| Average Fast Life (Hours) | 178 | >500 |
| Sagging rate after rupture | 8 | 11 |
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