Melting Route


Product Description

BÖHLER W320 ISODISC is a 3% chromium steel and corresponds to material number 1.2365 (32CrMoV12-28). This tool steel has good hot toughness as well as a very high hot hardness and resistance against heat-checkings. Compared to an X37CrMoV5-1 (material number 1.2343), the steel has an increased molybdenum content, which significantly increases its thermal resistance and thus makes it the ideal material in die closed- and open-doe forging. Due to the lower chromium content, reduced through-hardenability occurs which limits its applications to rather smaller tools.

Property Features

  • Toughness & Ductility: good
  • Wear Resistance: high
  • Machinability: very high
  • Hot Hardness (red hardness): high
  • Polishability: good
  • Micro-cleanliness: good
  • Thermal conductivity: very high

Technical Specifications

High temperture strength High temperature toughness High_ temperature wear resistance Machinability supplied

Material Numbers

1.2365 ~T20810 32CrMoV12-28 ~H10 SKD7


4957 G4404

Chemical Composition

Chemical composition (average %)
0.31 0.30 0.35 2.90 2.70 0.50

Available product shapes

  • Long Products
  • Open Die Forgings

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