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

ASSAB 88

  • 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%

Designations

Chemical composition

C 0.90 Si 0.90 Mn 0.50
Cr 7.80 Mo 2.50 V 0.50