ASTM 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 431

ASTM ASTM 431

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This page is mainly introduced the ASTM 431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 431,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM 431

Relevant products:

  • 431 flat bar

    431 flat bar

  • Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C   0.20
    Si   1.00
    Mn   1.00
    P   0.04
    S   0.03
    Cr 15.0  17.0
    Ni 1.25  2.50

    Mechanical Properties

    Tensile strength 445~587 σb/MPa
    Yield Strength 981 σ 0.2 ≥/MPa
    Elongation 27 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 358~355 -
    HRC 30 -

    Physical Properties

    Thermal expansion 10-63 e-6/K
    Thermal conductivity 54-80 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 0876-0028 째C
    Density 1479-1557 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)
    ASTM 431 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