Project Description

0Cr21Al6Nb

0Cr21Al6Nb is an iron-chromium-aluminium alloy for use at temperatures up to 1350℃.

Equivalent Grades

TrademarkGBGOSTASTMUNSDINW.Nr.NFBSJISSS
Kanthal A-10Cr21Al6Nb

Chemical Composition, %

AlloyCSiMnPSCrNiAlFeOther
0Cr21Al6Nb≤0.05≤0.60≤0.70≤0.025≤0.02021.0-23.0≤0.605.0-7.0Bal*

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)
≥650≥12≥10

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
135015107.101.450.491316.0FerriteMagnetic

Life Test

Test Temperature, ℃Continuous Service Time Hours, ℃
1350≥50

Temperature Factor of Resistivity

20℃100℃200℃300℃400℃500℃600℃700℃800℃900℃1000℃1100℃1200℃1300℃
1.0000.9920.9960.9940.9910.9900.9900.9900.9900.9900.9900.9900.9900.990

Available Products and Specifications

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

Features

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

Applications

  • Heating elements for single crystal diffusion furnaces
  • Powder metallurgy products
  • Sintering furnaces
  • Ceramic calciner
  • High temperature furnace elements up to 1300℃