Tool Steel P20

Tool Steel P20

Pre-hardened mould steel for plastic injection moulds, die-casting dies, mould bases and large tooling requiring machinability and polishability.

Representative Properties

  • Typical tensile strength: 965 MPa
  • Typical yield strength: 827 MPa
  • Typical density: 7.85 g/cm³
  • Typical hardness: 300 HB
  • Standard: ASTM A681

Values are representative for the named grade and condition. Final design and procurement must use certified supplier data and the applicable standard.

Material properties
Material nameTool Steel P20
TypeCarbon & Alloy Steel
Standard codeASTM A681
Tensile strength (MPa)965
Yield strength (MPa)827
Fatigue strength (MPa)430
Elongation (%)12
Hardness (Brinell)300
Density (g/cm³)7.85
Electrical resistivity (µΩ·in)23
Thermal conductivity (W/m·K)29
Melting range (°C)1420–1460
WeldabilityFair
FormabilityPoor
Shear modulus79
Industry codetool_steel_p20