ASSAB 618
ASSAB 618 is a prehardened mould steel suitable for use as
- Injection moulds for thermoplastics
- Extrusion dies for thermoplastics
- Blow moulds
- Forming tools, press-brake dies (possibly flame hardened or nitrided)
- Aluminium die casting prototype dies
- Structural components, shafts
- Good polishing and photo-etching properties
- Good machinability
- High purity and good homogeneity
- Uniform hardness
Chemical composition
| Carbon | 0.37 | Silicon | 0.30 | Manganese | 1.40 |
| Chromium | 2.00 | Nickel | 1.00 | Molybdenum | 0.20 |
| Sulphur | =<0.015 |