Project Description

0Cr20Al3

0Cr20Al3 is an iron-chromium-aluminium alloy for use at temperatures up to 1100℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Kanthal LT0Cr20Al3–Ⅲ–––––––

Chemical Composition, %

AlloyCSiMnPSCrNiAlFe
0Cr20Al3≤0.10≤1.00≤0.70≤0.025≤0.02518.0-21.0≤0.603.0-4.2Bal

Mechanical Properties (RT, Annealed)

Tensile Strength, Rm/MPaElongation, A/%
Dia. >3.00mm (Wire)
Thk. >0.20mm (Strip)		Dia. 0.10-3.00mm (Wire)
Thk. ≤0.20mm (Strip)
≥580≥15≥12

Physical Properties

Max Working Temp., ℃Melting Point, ℃Density, g/cm3Resistivity, μΩ·m 20℃Specific Heat, J/(g•K)Thermal Conductivity, W/(m•K) 20℃Average Coefficient of Thermal Expansion,α×10-6/℃ 20-1000℃Micrographic StructureMagnetic Properties
110015007.351.230.491313.5FerriteMagnetic

Life Test

Test Temperature, ℃Continuous Service Time Hours, ℃
1250≥80

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0001.0111.0251.0421.0611.0851.1201.1421.1541.1641.1721.1801.186–

Available Products and Specifications

Rod, Bar, Wire and ForgingsGB/T 1234-2012, ASTM B603-01
Plate, Sheet and StripGB/T 1234-2012, ASTM B603-01
Pipe and Tube–
Welding Product–
Others–

Features

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

Applications

0Cr20Al3 is typically used in industrial furnaces and home appliances.

  • Panel heaters
  • Infrared heaters
  • Warming plates
  • Irons
  • Ceramic pots
  • Cartridge heaters for liquid heating
  • Storage heaters
  • Ceramic heaters for cooking plates
  • Air guns
  • Hobby kilns
  • Radiators
  • Quartz tube heaters for space heating
  • Toasters
  • Toaster ovens
  • Grills
  • Industrial infrared dryers
  • Coils on molded ceramic fibre for cooking plates with ceramic hobs