303 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303

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YB 303

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This page is mainly introduced the 303 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 303,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless Steel Billets and Bars for Forging

Relevant products:

  • GH3039 round bar

    GH3039 round bar

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

    Elements Min.(≥) Max.(≤) Similar Remarks
    C   0.15
    Si   1.00
    Mn   2.00
    P   0.2
    S 0.15 
    Cr 17.0  19.0
    Ni 8.00  10.0
    Mo   0.60

    Mechanical Properties

    Tensile strength 836~309 σb/MPa
    Yield Strength 382 σ 0.2 ≥/MPa
    Elongation 21 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 907~651 -
    HRC 30 -

    Physical Properties

    Thermal expansion 23-68 e-6/K
    Thermal conductivity 44-35 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 4238-8825 째C
    Density 5351-1766 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)
    303 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