Ferrite 21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Ferrite 21

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CNS Ferrite 21

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This page is mainly introduced the Ferrite 21 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Ferrite 21,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Ferrite 21
  • Steel Garde:Ferrite 21
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Heat-Resistant Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 789~392 σb/MPa
Yield Strength 632 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 895~408 -
HRC 30 -

Physical Properties

Thermal expansion 94-92 e-6/K
Thermal conductivity 70-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8401-8768 째C
Density 0943-2924 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
Ferrite 21 Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download