ASSAB 88
A VERY GOOD STEEL FOR ALL TYPES OF SURFACE TREATMENTS
ASSAB 88 is a high alloyed tool steel with a very broad property profile. It is also a very good steel for all types of surface treatments. This combination means that ASSAB 88 is an extremely versatile conventional tool steel for medium run cold work tooling.
- Good wear resistance
- Good chipping resistance
- High hardness (> 63 HRC) after high temperature tempering
- Good dimensional consistency in heat treatment
- Good machinability and grindability
- Good surface treatment properties
- Good wear resistance
- Good chipping resistance
- High hardness (> 63 HRC) after high temperature tempering
- Good through hardening properties
- Good dimensional consistency in heat treatment
- Very good dimensional stability in service
- Good machinability and grindability
- Good surface treatment properties
- Reduced risk of cracking during wire EDM
- Abrasive wear resistance 50%
- Adhesive wear resistance 30%
- Ductility/edge chipping resistance 25%
- Toughness/gross cracking resistance 25%
Reference grade Cold Work (D2)
- Abrasive wear resistance 55%
- Adhesive wear resistance 25%
- Ductility/edge chipping resistance 20%
- Toughness/gross cracking resistance 10%
Chemical composition
| Carbon | 0.90 | Silicon | 0.90 | Manganese | 0.50 |
| Chromium | 7.80 | Molybdenum | 2.50 | Vanadium | 0.50 |