BÖHLER W720 vmr
BÖHLER W720 VMR is not a classic hot work tool steel, but an ultra-high strength maraging steel. Compared to quenched and tempered steels, the material generates its high strength not through a hardened and tempered martensitic structure with a high carbon content and secondary hardening carbides, but through the precipitation of intermetallic phases from a tough nickel martensitic matrix. BÖHLER W720 VMR corresponds to material number 1.6358 (X2NiCoMoTi18-9-5) and has proven to be ideally suited for many tool steel applications in cold and hot work (e.g., for extrusion stems) up to 450 °C.
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
VIM + VAR
Material Numbers
- SEL
- 1.6358
- UNS
- K93120
Chemical Composition
* Chemical Composition (Average %)
- C
- ≤ 0,030
- Si
- ≤ 0,10
- Mn
- ≤ 0,10
- Mo
- 5.00
- Ni
- 18.50
- Co
- 9.00
- Ti
- 0.70
- Al
- 0.10