AISI440A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI440A

AISI AISI440A

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This page is mainly introduced the AISI440A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI440A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI440A

Relevant products:

  • 1.4109 / 440A / X70CrMo15 Martensitic Stainless Steel Sheet & Coil

    1.4109 / 440A /...

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

    Elements Min.(≥) Max.(≤) Similar Remarks
    C 0.60  0.75
    Si   1.00
    Mn   1.00
    P   0.04
    S   0.03
    Cr 16.0  18.0
    Mo   0.75

    Mechanical Properties

    Tensile strength 634~559 σb/MPa
    Yield Strength 985 σ 0.2 ≥/MPa
    Elongation 58 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 356~920 -
    HRC 30 -

    Physical Properties

    Thermal expansion 53-65 e-6/K
    Thermal conductivity 88-65 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 3883-8179 째C
    Density 8548-4950 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)
    AISI440A 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