Project Description

0Cr25Al5

0Cr25Al5 is an iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1250℃.

Equivalent Grades

TrademarksGBJISASTMUNSDINW-Nr.ГОСТBSNFSS
0Cr25Al5FCHW1 FCHRW1Ⅱ ACrAl25 51.4765

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, %

AlloyCSiMnPSCrNiAlFe
0Cr25Al5≤0.06≤0.60≤0.70≤0.025≤0.02523.0~26.0≤0.604.5~6.5Bal

Mechanical Properties (RT, Annealed)

Tensile Strength, Rm/MPaElongation, A/%Hardness, HB
Dia. >3.00mm (for wire)Dia. 0.10~3.00mm (for wire) and Th. >0.20 (for strip)
≥600≥15≥12200~260

Physical Properties

Max Working Temperature, ℃Melting Point, ℃Density, g/cm3Resistivity, μΩ·m, 20℃Specific Heat, J/g·℃Thermal Conductivity, KJ/m·h·℃Average Coefficient of Linear Expansion, α×10-6/℃ (20~1000℃)Micrographic StructureMagnetic Properties
125015007.101.420.49446.116.0FerriticMagnetic

Life Test

Test Temperature, ℃Continuous Service Time Hours, ℃
1300≥80

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0001.0021.0051.0081.0131.0211.0301.0381.0401.0421.0441.0461.047

Features

  • High resistivity
  • Low temperature coeffcient of electric resistance
  • High operating temperature up to 1350℃
  • Good oxidation resistance under high temperature

Applications

0Cr25Al5 is used in home appliances and industrial furnaces.

  • Metal sheathed tubular elements for dishwashers
  • Elements embeded in ceramics for panel heaters
  • Cartridge elements in metal dies
  • Heating cables and rope heaters in defrosting and deicing elements
  • Mica elements used in irons
  • Quartz tube heaters for space heating
  • Industrial infrared dryers
  • Coils on molded ceramic fibre for boiling plates with ceramic hobs
  • Bead insulated coils for panel heaters
  • Suspended coil elements for air heaters in laundry dryers
  • Terminals to furnace elements
  • Porcupine elements for air heating
  • Furnace heating elements