Uddeholm Dievar


Uddeholm Dievar is a premium steel developed for the demanding application of high pressure casting. With new process improvements and development for use in large sizes, Uddeholm Dievar's quality and toughness is better than ever. It is the industry benchmark for a high performance steel for the longest tool life and lowest crack risks due to its superior toughness and ductility. Apart from die casting it has proven itself as a great tool steel for other applications such as forging, extrusion and hot stamping.
  • Uddeholm Dievar has superior heat checking and hot properties over AISI H13 and AISI H11
  • Perfect for large structural dies
  • Excellent toughness and ductility in all directions
  • Good temper resistance
  • Good high-temperature strength
  • Excellent hardenability
  • Good dimensional stability throughout heat treatment and coating operations.

Uddeholm Dievar

  • Hot wear resistance 45%
  • Plastic deformation resistance 80%
  • Heat checking resistance 75%
  • Premature cracking resistance 85%

Reference Grade Hot Work (H13)

  • Hot wear resistance 40%
  • Plastic deformation resistance 40%
  • Heat checking resistance 40%
  • Premature cracking resistance 35%
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Chemical composition
Carbon 0.35 Silicon 0.20 Manganese 0.50
Chromium 5.00 Molybdenum 2.30 Vanadium 0.60
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