ASSAB Unimax Datasheet

Wrought Tool Steel

Supplied by ASSAB Pacific Pte. Ltd.

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Product Description
General
Unimax is a chromium-molybdenum-vanadium alloyed tool steel which is characterized by:
  • Excellent toughness and ductility in all directions
  • Good wear resistance
  • Good dimensional stability during heat treatment
  • Excellent through-hardening properties
  • Good resistance to tempering back
  • Good hot strength
  • Good thermal fatigue resistance
  • Excellent polishability

Applications
Unimax is suitable for long run production moulds, moulds for reinforced plastics and compression moulding.

Unimax is a problem solver in severe cold work tooling applications such as heavy duty blanking, cold forging and thread rolling, where high chipping resistance is required.

Engineering and hot work applications requiring high hardness and toughness are also applications where Unimax has proven to be successful.
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
 
Tensile Strength (Ultimate) 2 (73°F)
ksi
 
Tensile Strength (Yield), 0.2% 2 (73°F)
ksi
 
Tensile Elongation (Break) 2 (73°F)
%
 
Reduction of Area 2 (73°F)
%
 
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)
in/in/°F
 
Thermal Conductivity (392°F)
Btu·in/hr/ft²/°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Hardness: 54 HRC
 
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