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
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
Property Features
- Toughness & Ductility: good
- Wear Resistance: high
- English (United Kingdom): very high
- Hot Hardness (red hardness): high
- Polishability: good
- Thermal conductivity: good
- Micro-cleanliness: good
Material Numbers
- SEL
- 1.2344
- EN
- X40CrMoV5-1
- UNS
- T20813
- AISI
- H13
- JIS
- SKD61
Standards
- EN ISO
- 4957
- JIS
- G4404
Chemical Composition
* Chemical Composition (Average %)
- C
- 0.39
- Si
- 1.10
- Mn
- 0.40
- Cr
- 5.20
- Mo
- 1.30
- V
- 0.95