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What is H13 ESR Tool Steel? 

H13 ESR is a high-purity, electro-slag remelted (ESR) variant of standard H13 tool steel, offering superior cleanliness, improved toughness, and better isotropic properties. The ESR process refines the steel’s structure, making it the preferred choice for high-performance hot work tooling, die casting, and plastic molds requiring exceptional thermal and mechanical properties. 

Product Features

  • Enhanced Purity & Cleanliness
  • Superior Toughness & Ductility
  • High Heat Resistance
  • Improved Wear Resistance
  • Better Isotropic Properties

Applications

  • Die Casting Dies  
  • Plastic Injection Molds & Blow Molds 
  • Forging Dies & Extrusion Dies 
  • Hot Shear Blades & Cutting Tools 
  • Aerospace and Automotive Tooling 

Best Coatings

We offer outstanding wear resistance and low friction through our DLC and PVD ultrafine coatings, ideal for hot work tooling where lubricants cannot be used, ensuring longer tool life and consistent performance in demanding molding processes. Explore our coating guide to select the ideal solution for your tooling needs.