BÖHLER W302 ISODISC

BÖHLER W302 ISODISC is a 5% chromium steel and corresponds to material number 1.2344 (X40CrMoV5-1). This common tool steel has good hot toughness as well as a high hot hardness and a high resistance against heat-checkings. The combination of these properties makes it a standard choice in extrusion, forging and low-pressure die casting. This material is also available as W302 ISOBLOC which is a remelted grade with improved cleanliness, homogeneity and toughness.

Available Product Shapes

  • Block
  • Long Products
  • Open Die Forgings
  • Plates
  • Round Bars
  • Square
  • Flat Bar (incl. Square Bar)
Long Products:
Presented data refer exclusivly to long products. Please observe the detailed explanations at the end of the data sheet (pdf).

Melting Route

Airmelted

General Information

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

Technical Data

 High temperature toughness
High temperature wear resistance
Machinability in as supplied condition
Polishability

Chemical composition (average %)

C Si Mn Cr Mo V
0.39 1.10 0.40 5.20 1.30 0.95
SEL EN UNS AISI JIS
1.2344 X40CrMoV5-1 T20813 H13 SKD61
EN ISO JIS
4957 G4404

Downloads

W302 ISODISC Datasheet
PDF | 2.79 MB
BW015_Hot work tool steel
PDF | 2.39 MB
Welding in tool making
PDF | 494 KB
BW020_Tool steels for the high pressure die casting industry
PDF | 977 KB
BL009_Tool Steels, High Speed Steels
PDF | 2.89 MB
BW053En_High-Performance Materials for Industrial Knives
PDF | 2.09 MB

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