BÖHLER W403

Vacuum re-melted hot-work tool steel with the highest high-temperature strength – resulting in maximum resistance to cracking.

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Product Features

  • Toughness and ductility: high
  • Wear resistance: high
  • Machinability: good
  • Warm hardness (red hardness): high
  • Polishability: very high
  • Thermal conductivity: very high
  • Micro purity: very high

Technical Data

 Heat resistance
High temperature toughness
Hot wear resistance
Machinability in as-supplied condition
C Si Mn Cr Mo V
0.38 0.20 0.25 5.00 2.80 0.65