ASSAB 88 Datasheet

Wrought Tool Steel

Supplied by ASSAB Pacific Pte. Ltd.

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Product Description
General
ASSAB 88 is a chromium-molybdenum-vanadium alloyed tool steel which is characterised by:
  • Good wear resistance
  • Good chipping resistance
  • High compressive strength
  • High hardness (>60 HRC) after high temperature tempering
  • Good through-hardening properties
  • Good dimensional stability during hardening
  • Good resistance to tempering back
  • Good WEDM properties
  • Good machinability and grindability
  • Amenable to surface treatment

Applications
ASSAB 88 is a general purpose steel for cold work tooling. It has a mixed-abrasive wear profile and a good resistance to chipping. Furthermore a high hardness (>60 HRC) can be obtained after high temperature tempering. This means that surface treatments such as nitriding or PVD can be made on a high strength substrate. Also, it means that complicated shapes with hardness levels >60 HRC can be wire EDM'd from blocks with relatively thick cross-sections with a much reduced risk of cracking.

ASSAB 88 is recommended for medium run tooling applications where a resistance to mixed or abrasive wear and a good resistance to chipping are required.
Typical Applications
  • Blanking and fine blanking
  • Shearing
  • Forming
  • Coining
  • Cold forging
  • Cold extrusion
  • Thread rolling
  • Drawing and deep drawing
  • Powder pressing
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
Available Documents
Technical Datasheet (English)
Metals General
Nominal Value
Unit
 
Metal Type (Annealed)
 
 
Metals Type Analysis
Nominal Value
Unit
 
Type Analysis
     
Carbon
%
 
Chromium
%
 
Manganese
%
 
Molybdenum
%
 
Silicon
%
 
Vanadium
%
 
Metals Physical
Nominal Value
Unit
 
Density (68°F)
lb/in³
 
Metals Mechanical
Nominal Value
Unit
 
Hardness (HB-Scale)
 
 
Tensile Modulus (68°F)
ksi
 
Metals Thermal
Nominal Value
Unit
 
Mean Specific Heat (68°F)
Btu/lb/°F
 
Mean CTE
     
68 to 392°F 2
in/in/°F
 
68 to 392°F 3
in/in/°F
 
Thermal Conductivity (392°F)
Btu·in/hr/ft²/°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Low Tempered
3High Tempered
 
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