9Cr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18

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GB 9Cr18

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This page is mainly introduced the 9Cr18 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 9Cr18,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
9Cr18

Relevant products:

  • X105CrMo17 Extruded Pipe

    X105CrMo17 Extruded Pipe

  • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    9Cr18Mo GB China
    9Cr18MoV GB China

    Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C 0.90  1.00
    Si   0.80
    Mn   0.80
    P   0.035
    S   0.030
    Ni   0.60
    Cr 17.00  19.00
    Mo   0.75

    Mechanical Properties

    Tensile strength 408~646 σb/MPa
    Yield Strength 845 σ 0.2 ≥/MPa
    Elongation 39 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 435~303 -
    HRC 30 -

    Physical Properties

    Thermal expansion 89-14 e-6/K
    Thermal conductivity 54-29 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 6163-3794 째C
    Density 7967-8937 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)
    9Cr18 Stainless Steels 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