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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

Relevant products:

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    • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    Ferrite 46 CNS China
    Ferrite 409 CNS China
    Ferrite 409L CNS China
    Ferrite 446 CNS China
    Ferrite 46 CNS China
    Q215 China
    Q215 B China
    UNS G10210 UNS USA
    ASTM 1021 ASTM USA
    H21 ASTM USA
    T20821 UNS USA
    Stellite 21
    X210Cr12 DIN Germany
    1.2101 DIN Germany
    1.2103 DIN Germany
    1.2108 DIN Germany
    1.2109 DIN Germany
    1.2127 DIN Germany
    1.2129 DIN Germany
    21MnCr5 DIN Germany
    1.2162 DIN Germany
    1.2210 DIN Germany
    X210CrW12 DIN Germany
    1.2721 DIN Germany
    X210CrCoW12 DIN Germany
    X21Cr13 DIN Germany
    21CrMo10 DIN Germany
    SKS21 JIS Japan
    SKD10 JIS Japan
    BH21 UK
    BH21 UK
    BH21A UK
    BH21A UK
    BT21 UK
    BT21 UK
    X210CrW12-1 AFNOR France
    X210CrW12-1 AFNOR France
    X21CrNi17 AFNOR France
    X21CrNi17 AFNOR France
    SS14:2140 SS Sweden
    STS21 KS Korea
    STS21 KS Korea
    35CrMo7 ISO ISO
    35CrMo7 ISO ISO
    W-Nr 1.4521 DIN Germany
    1.4821 DIN Germany
    X15CrNiSi25-21(20) DIN Germany
    X8(12)CrNi25-21 DIN Germany
    X10NiCrAITi32-21(20) DIN Germany
    X60CrMnMoVNbN21-10 DIN Germany

    Chemical composition(mass fraction)(wt.%)

    Mechanical Properties

    Tensile strength 330～829 σb/MPa
    Yield Strength 757 σ 0.2 ≥/MPa
    Elongation 08 δ5≥(％)
    ψ - ψ≥(％)
    Akv - Akv≥/J
    HBS 696～967 -
    HRC 30 -

    Physical Properties

    Thermal expansion 45-37 e-6/K
    Thermal conductivity 08-53 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 9289-8836 째C
    Density 5859-2261 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

    CNS Ferrite 21 PDF
    CNS Ferrite 21 Word
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