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 330~627 σb/MPa
    Yield Strength 686 σ 0.2 ≥/MPa
    Elongation 50 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 725~000 -
    HRC 30 -

    Physical Properties

    Thermal expansion 15-81 e-6/K
    Thermal conductivity 59-01 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 2293-5010 째C
    Density 1892-2844 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