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International Mold Steel NAK80 Precipitation Hardened Mold Steel

 

Subcategory: Tool Steel; Mold Steel; Metal

Material Notes:
Description: NAK80 is a precipitation or age-hardened mold steel with a uniform through hardness of approximately 40 HRc. It is super clean, Vacuum-Arc Remelted steel with uniform grain structure, uniform hardness, and excellent dimensional stability.

Unique Characteristics:

  • Super clean, Vacuum-Arc Remelt manufacturing process.
  • 40 HRc hardness.
  • Age-hardened for uniformity of hardness throughout, even in heavy sections.
  • When welded, NAK leaves no witness lines after re-aging.
  • Uniform grain structure with no pin holes, inclusions or hard spots.
  • Machines up to 20% faster than 30 HRc P20 mold steels.
  • Never needs stress relieving, even after heavy machining.
  • Polishes to a superior No. 1 finish, even over welded areas.

Applications:

  • Clear lens molds
  • Extremely critical diamond finish applications
  • Molds requiring special EDM finish

Information provided by International Mold Steel.

Available Properties
  • Hardness, Rockwell C
  • Tensile Strength, Ultimate
  • Tensile Strength @ Yield
  • Elongation at Yield
  • Reduction of Area
  • Modulus of Elasticity
  • Charpy Impact
  • Magnetic Permeability
  • Magnetic Coercive Force, Hc
  • Magnetic Saturation Flux Density, Bmax
  • Magnetic Remanence, Br
  • CTE, linear 68°F
  • CTE, linear, 212°F (100°C)
  • CTE, linear, 482°F (250°C)
  • Thermal Conductivity
   
Property Data

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