Project Description

0Cr23Al5

0Cr23Al5 is an iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1250℃.

Equivalent Grades

TrademarksGBJISASTMUNSDINW-Nr.ГОСТBSNFSS
Kanthal D
Resistohm 135
Alloy 815
Alohrome DK
Alferon 901
Aluchrom 5
Stablohm 812
0Cr23Al5Ⅱ ACrAl25 51.4765Х23Ю5
Х23Ю5Т

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
0Cr23Al5≤0.06≤0.60≤0.70≤0.025≤0.02520.5~23.5≤0.604.2~5.3Bal

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
125015007.251.350.46060.215.0FerriticMagnetic

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℃
1.0001.0021.0071.0141.0241.0361.0561.0641.0701.0741.0781.0811.084

Features

  • High resistivity
  • Low temperature coefficient of electric resistance
  • High operating temperature
  • Good oxidation resistance under high temperature

Applications

0Cr23Al5 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