ASTM631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM631

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ASTM ASTM631

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This page is mainly introduced the ASTM631 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM631,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM631
  • Steel Garde:ASTM631
  • Type:Stainless Steels & Special Steels
  • Country:USA
  • Standard:ASTM
  • Application:ASTM631

Relevant products:

  • 17-7PH / 631 COIL Strip Sheet

    17-7PH / 631 COIL Strip Sheet

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

    Elements Min.(≥) Max.(≤)
    C   0.09
    Si   1.00
    Mn   1.00
    P   0.04
    S   0.04
    Cr 16.0  18.0
    Ni 6.5  7.75
    Al 0.75  1.50

    Mechanical Properties

    Tensile strength 695~219 σb/MPa
    Yield Strength 681 σ 0.2 ≥/MPa
    Elongation 42 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 977~582 -
    HRC 30 -

    Physical Properties

    Thermal expansion 03-62 e-6/K
    Thermal conductivity 24-27 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 3824-6228 째C
    Density 3690-5718 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)
    ASTM631 Stainless Steels & Special 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

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