Melting Route


Product Description

BÖHLER W303 ISODISC is a 5% chromium steel and corresponds to material number 1.2367 (X38CrMoV5-3). 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-die forging, open-die forging and extrusion.

Property Features

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

Technical Specifications

High temperture strength High temperature toughness High temperature wear resistance

Material Numbers

1.2367 X38CrMoV5-3



Chemical Composition

Chemical composition (average %)
0.38 0.40 0.40 5.00 2.80 0.55

Available product shapes

Information on Long Products ) Presented data refer exclusivly to long products. Please observe the detailed explanations at the end of the data sheet (pdf).

  • Long Products
  • Open Die Forgings

Fairs & Events


BÖHLER Worldwide

Please choose your market and find your local contact.


Please use a browser that is not outdated.

You are using an outdated web browser.

Errors may occur when using the website.