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Characteristic Advantages
- Extremely high temperature resistance and sustainable operation in high temperature environments above 1100 ° C~1350 ° C.
- Good oxidation resistance. High aluminum content will form a stable Al ₂ O ∝ oxide film at high temperatures, protecting the metal body.
- High resistivity is suitable for heating elements, electric heating tubes, and other applications.
- Good corrosion resistance, especially suitable for oxidizing or sulfurizing atmospheres.
- Light weight, high strength. Compared with stainless steel, the unit weight is lighter and the flexibility is better.
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Common Specifications
Grade Name
Standard Equivalent
Main Chemical Composition (wt%)
Key Features
Typical Applications
0Cr21Al6Nb
Chinese GB Standard
Cr 20.5–21.5%, Al 5.5–6.5%, Nb ≤0.6%, Fe balance
Dense oxide layer, excellent high-temp oxidation resistance, high strength
Electric furnace wire, heating mesh, IR heaters
0Cr27Al7Mo2
Chinese GB Standard
Cr 26–28%, Al 6–8%, Mo 1.8–2.2%, Fe balance
Enhanced corrosion & sulfur resistance, ideal for harsh atmospheres
Sulfuric gas heating, chemical furnaces
FeCrAl 135 / Kanthal A-1
International Standard
Cr ~22%, Al ~5.8%, Fe balance
Globally recognized, excellent stability, long service life
Industrial heaters, heat treatment, resistance mesh
Kanthal D
Sandvik Kanthal Series
Cr ~23%, Al ~5%, Mo trace, Fe base
High formability, suitable for complex shapes and sintered structures
Electric heating belts, heating tubes, mesh cylinders
Resistohm 145
Isabellenhütte (France)
Cr ~22%, Al ~5.5%, Fe balance
Similar to A-1 with improved electrical resistance stability
Precision resistors, electric thermal control
Mesh Count
Wire Diameter (mm/inch)
Aperture (mm/inch)
Weave Type
Typical Application
4 × 4
0.8 mm / 0.0315"
5.55 mm / 0.218"
Plain weave
Sintering support, hot air mesh
6 × 6
0.6 mm / 0.0236"
3.63 mm / 0.143"
Plain weave
Heating frames, fluidized beds
10 × 10
0.5 mm / 0.0197"
2.04 mm / 0.080"
Plain weave
Catalyst support, heating mesh
14 × 14
0.4 mm / 0.0157"
1.41 mm / 0.055"
Plain weave
Hot air circulation
20 × 20
0.35 mm / 0.0138"
0.92 mm / 0.036"
Plain / Twill weave
Heating mesh covers
30 × 30
0.25 mm / 0.0098"
0.59 mm / 0.023"
Twill weave
High-temp particle filtration
40 × 40
0.20 mm / 0.0079"
0.43 mm / 0.0169"
Twill weave
Gas distribution
60 × 60
0.15 mm / 0.0059"
0.27 mm / 0.0106"
Twill / Dutch weave
Catalyst base mesh
80 × 80
0.12 mm / 0.0047"
0.20 mm / 0.0079"
Dutch weave
High-temp dust/oil filtration
120 × 120
0.07 mm / 0.0028"
0.144 mm / 0.0057"
Dutch / Rev. Dutch
Fine heating panels, filters
160 × 800
0.07 / 0.04 mm
Dense (not visible)
Reverse Dutch weave
Battery supports, sintered mesh
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Application Area
Industrial electric furnace heating element
Distributed heating network
Catalytic converter carrier support mesh
Gas diffusion, battery electrodes
High temperature filter screen
Automotive exhaust purification and filtration support layer
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