P20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P20

Location » Home » Grades > Tool Die Steels > P20

ASTM P20

Profile

This page is mainly introduced the P20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Mold Steel

Relevant products:

  • P20 tool steel round bar

    P20 tool steel round bar

  • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    1.2311,40CrMnMoS8-6,1.2312,P20,40CMD8 DIN Germany

    Chemical composition(mass fraction)(wt.%)

    Elements Min.(≥) Max.(≤) Similar Remarks
    C 0.28  0.40
    Si 0.20  0.80
    Mn 0.60  1.00
    P   0.030
    S   0.030
    Cr 1.40  2.00
    Mo 0.30  0.55
    V  
    W  
    Ni+Cu   0.75

    Mechanical Properties

    Tensile strength 449~511 σb/MPa
    Yield Strength 856 σ 0.2 ≥/MPa
    Elongation 21 δ5≥(%)
    ψ - ψ≥(%)
    Akv - Akv≥/J
    HBS 518~511 -
    HRC 30 -

    Physical Properties

    Thermal expansion 88-42 e-6/K
    Thermal conductivity 43-96 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 5184-4587 째C
    Density 2215-0558 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)
    P20 Tool Die 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