P3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P3

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ASTM P3

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This page is mainly introduced the P3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Mold Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Si   0.40
Mn 0.20  0.60
P   0.030
S   0.030
Cr 0.40  0.75
Mo  
V  
W  
Ni+Cu   0.75
Ni 1.00  1.50

Mechanical Properties

Tensile strength 393~925 σb/MPa
Yield Strength 682 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 265~003 -
HRC 30 -

Physical Properties

Thermal expansion 77-47 e-6/K
Thermal conductivity 72-91 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7032-8362 째C
Density 7545-7366 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)
P3 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

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