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

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ISO ISO 21

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

Relevant products:

  • IncoloyA-286 / GH 2132

    IncoloyA-286 / GH 2132

  • S32168/321/S32100/1-4541 Tube

    S32168/321/S32100/1-4541 Tube

  • S32169/321H/S32109/1-4940 Tube

    S32169/321H/S32109/1-4940 Tube

  • G-X2CrNiMnMoNNb21-16-5-3 non-magnetic steel

    G-X2CrNiMnMoNNb21-...

  • 1.2581(H21, X30WCrV93, SKD5) Hot-Work Mould Steel

    1.2581(H21, X30WC...

  • 21CMoV5-7,1.7709,21CRMOV5-11,1.8070 Forgings

    21CMoV5-7,1.7709,2...

    • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    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
    X53CrMnNiNbN21-9 DIN Germany
    X53CrMnNiN21-9 DIN Germany
    X70CrMnNiN21-6 DIN Germany
    X50CrMnNiNbN21-9 DIN Germany
    X8NiCrAlTi32-21 DIN Germany

    Chemical composition(mass fraction)(wt.%)

    Mechanical Properties

    Tensile strength 395～473 σb/MPa
    Yield Strength 873 σ 0.2 ≥/MPa
    Elongation 31 δ5≥(％)
    ψ - ψ≥(％)
    Akv - Akv≥/J
    HBS 282～355 -
    HRC 30 -

    Physical Properties

    Thermal expansion 69-57 e-6/K
    Thermal conductivity 52-16 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 4475-1994 째C
    Density 1392-8022 kg/m3
    Resistivity 0.50-0.60 Ohm.mm2/m
         

    Heat Treatment Regime

    Annealing

    Quenching

    Tempering

    Normalizing

    Q & T

    √

    √

    √

    √

    √

    Size Availability

    Steel Grade Specification Processing range(mm)
    ISO 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

    ISO ISO 21 PDF
    ISO ISO 21 Word
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