a
				Iron-Chrome-Aluminum Alloy–0Cr21Al6Nb
			
 Common Names: KA1,Kanthal A-1, Aluchrom O, Alchrome 875, Alloy 875, Icralloy 25, Resistohm 145, Alferon 25, MWS-875, Stablohm 875
Chemical Composition:
  
    | C | P | S | Mn | Si | Cr | Ni | Al | Fe | Other | 
  
    | ≤ | 
  
    | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.6 | 21~23 | ≤0.6 | 5~7 | Bal. | Nb
      0.5 | 
 Properties:
  
    | Max. continuous service Temp. | 1350ºC | 
  
    | Resistivity at 20ºC | 1.45±0.07 μΩ·m | 
  
    | Density | 7.10
      g/cm3 | 
  
    | Thermal conductivity | 46.1
      KJ/m·h·ºC | 
  
    | Coefficient of linear expansion | 16.0
      α×10-6/ºC | 
  
    | Specific heat | 0.494
      J/g·ºC | 
  
    | Approx.
      melting point | 1510ºC | 
  
    | Elongation | ≥12% | 
  
    | Accelerated life | ≥50h/1350ºC | 
  
    | Micrographic structure | ferrite | 
  
    | Magnetic properties | magnetic |