Uddeholm QRO 90 Supreme


With its outstanding thermal fatigue resistance, thermal conductivity and temper back resistance Uddeholm QRO 90 Supreme excels as a tool steels where tools tempers down quickly to lower hardness. In applications such as hot stamping, brass forging, die casting core inserts and brass extrusion.
  • Excellent high temperature strength and hot hardness
  • Very good temper resistance
  • Unique resistance to thermal fatigue
  • Excellent thermal conductivity
  • Good toughness and ductility in longitudinal and transverse directions
  • Uniform machinability
  • Good heat treatment properties

Uddeholm QRO 90 Supreme

  • Hot wear resistance 55%
  • Plastic deformation resistance 60%
  • Heat checking resistance 80%
  • Premature cracking resistance 35%

Reference Grade Hot Work (H13)

  • Hot wear resistance 40%
  • Plastic deformation resistance 40%
  • Heat checking resistance 40%
  • Premature cracking resistance 35%
Configure & Buy
  • Flat Bar

    Flat Bar

    configure & buy
  • Other services

    Other services

    configure & buy
  • Round Bar

    Round Bar

    configure & buy
Chemical composition
Carbon 0.38 Silicon 0.30 Manganese 0.80
Chromium 2.60 Molybdenum 2.30 Vanadium 0.90
Contact us for further information

Share it

My account settings

Switch Company

You are logged in as:

You need to logout and re-login to switch your company.

cancel Login with another company

Please have a little patience. Your request is being processed.