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Assab Steel 8407 SUPREME Hot Work Steel

 

Subcategory: Tool Steel; Chrome-moly Steel; Hot Work Steel; Metal

Close Analogs: Premium AISI H13, W.-Nr. 1.2344

Material Notes:
8407 SUPREME is characterized by:

  • High level of resistance to thermal shock and thermal fatigue
  • Good high temperature strength
  • Excellent toughness and ductility in all directions
  • Good machinability and polishability
  • Excellent through-hardening properties
  • Good dimensional stability during hardening

The name "SUPREME" implies that by special processing techniques and close control, the steel attains high purity and a very fine structure. Further, 8407 SUPREME shows significant imrpovements in isotropic properties compared to conventionally produced AISI H 13 grades.

These improved isotropic properties are particularly valuable for tooling subjected to high mechanical and thermal fatigue stresses, e.g. die casting dies, forging tools and extrusion tooling. In practical terms, tools may be used at somewhat higher working hardnes (+1 to 2 HRC without loss of toughness. Since increased hardness slows down the formation of heatchecking cracks, improved tool performance can be expected.

8407 SUPREME meets the North American Die Casting Association (NADCA) #207-90 for premium high quality H-13 die steel.

Applications: Tools for Diecasting: Dies, fixed inserts cores, sprue parts, nozzles, ejector pins (nitrided), plunger, shot-sleeve (normally nitrided).
Tools for Extrusion: Dies, backers, die holders, liners, dummy blocks, stems.
Tools for pressing Aluminum, magnesium, copper alloys, and steel.
Molds for plastics: Injection molds, compression/transfer molds.

Available Properties
  • Density
  • Hardness, Rockwell C
  • Tensile Strength, Ultimate
  • Tensile Strength, Ultimate at Elevated Temperature
  • Tensile Strength, Yield
  • Tensile Strength, Yield at Elevated Temperature
  • Elongation at Break
  • Reduction of Area
  • Modulus of Elasticity
  • Modulus of Elasticity at Elevated Temperature
  • Impact Test
  • CTE, linear 20°C
  • Thermal Conductivity
   
Property Data

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