1.2328, 45CrMoV7, 40Ch2GMF - Tool die steel, data according to DIN 17350

Standard Grade
Chemical composition %
C: Si: Mn: P: S: Cr: Mo: V:
DIN 1.2328 - 45CrMoV7
0.42-0.47 0.2-0.3 0.85-1.00 <0.03 <0.03 1.7-1.9 0.25-0.30 0.05
GOST 45Ch2GMF - 40Х2ГМФ
0.42-0.47 0.2-0.3 0.85-1.00 <0.03 <0.03 1.7-1.9 0.25-0.30 0.05

1.2328, 45CrMoV7, 40Ch2GMF – description

Tool steel used for cold working die tools, stamps and drifters. It has good wear resistance.

The steel is meant to be air-hardened, which reduces the risk of deformations and cracks during the heat treatment. It has good hardenability but is susceptible to tempering, thus requires proper temperature during work.


Physical and mechanical properties

1.2328 - general physical and mechanical properties in ambient temperature:

  • Density: 7.85 g/m3
  • Hardness in soft annealed condition: < 250 HB

Heat treatment and working

Recommended working and heat treatment parameters for 1.2328 alloy:

  • Forging: 1000-850 °C
  • Rolling: 1000-850 °C
  • Quenching: 840-860 °C
  • Soft annealing: 690-730 °C

We deliver this steel alloy as:

  • Forgings
  • Rods
  • Pipes

Replacements, equivalents and other designations:

1.2328. 45CrMoV7, 40Ch2GMF, 40Х2ГМФ, 40H2GMF


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