SA-789 S32550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-789 S32550

AMS SA-789 S32550

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This page is mainly introduced the SA-789 S32550 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-789 S32550,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
  • Steel Garde:SA-789 S32550
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA-789/SA-789M Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service
  • Metallographic Structure:Austenitic-Ferritic(Duplex steel)
  • Application:Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service

Relevant products:

  • S32550 Stainless Steel Seamless Tube Pipe

    S32550 Stainless...

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

    Elements Min.(≥) Max.(≤) Similar Remarks
    C   0.04
    Mn   1.50
    Si   1.00
    P   0.04
    S   0.03
    Cr 24.00  27.00
    Ni 4.50  6.50
    Mo 2.00  4.00
    N 0.10  0.25
    Cu 1.50  2.50

    Mechanical Properties

    Tensile strength 203~303 σb/MPa
    Yield Strength 151 σ 0.2 ≥/MPa
    Elongation 96 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 711~542 -
    HRC 30 -

    Physical Properties

    Thermal expansion 48-79 e-6/K
    Thermal conductivity 02-67 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 7659-7250 째C
    Density 6976-8312 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)
    SA-789 S32550 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