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
- Corrosion resistance 20%
- Wear resistance 30%
- Toughness 90%
- Polishability 60%
Chemical composition
C | 0.37 | Si | 0.30 | Mn | 1.40 |
S | <0.01 | Cr | 2.00 | Mo | 0.20 |
Ni | 1.00 |