ASSAB 718 HH
ASSAB 718 HH is prehardened mould steel with very good polishing and photo etching properties. It is suitable for a wide range of injection moulds, blow moulds and extrusion dies for plastic. ASSAB 718 HH is supplied at 340-380 HB. ASSAB 718 HH is suitable for applications that require mould steel of high ductility and high wear resistance.
- Good polishing properties
- Good 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 | Nickle | 1.00 | Molybdenum | 0.20 |
| Sulphur | <0.01 |