• Hot work tool steel
  • Very good red-hardness with toughnes
  • Tools may be water-cooled in service
  • May be cold-hobbed in the annealed condition
  • Casting dies for aluminium, magnesium and zinc
  • Extrusion dies and adaptor ring
  • Hot stamping and press forge dies
  • Shear blades for hot work and hot swaging dies
GradeCSiMnPSCrMoV
H130.32-0.450.80-1.200.20-0.50≤0.030
≤0.0304.75-5.501.10-1.750.80-1.20
4Cr5MoSiV0.33-0.430.80-1.200.20-0.50≤0.030
≤0.0304.75-5.501.10-1.600.30-0.60
1.23440.33-0.410.80-1.200.25-0.50≤0.030
≤0.0204.80-5.501.10-1.500.30-0.50
SKD610.35~0.420.80-1.200.25-0.50≤0.030
≤0.0204.80-5.501.00-1.500.80-1.15

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ST 52-3 Steel Round Bar

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