Uddeholm QRO 90 Supreme

Uddeholm QRO 90 Supreme is a specially premium hot work steel developed by Uddeholm to provide better performance in high temperature tooling. The name “supreme” implies that by special manufacturing techniques, including electro-slag remelting the steel attains high purity and good mechanical properties. This together with the optimum balance of alloying elements in Uddeholm QRO 90 Supreme gives a property profile which is unique among hot work die steel.

Benefits

• Uddeholm QRO 90 Supreme excels as a tool steels where tools tempers down quickly to lower hardness.
• Uddeholm QRO 90 Supreme has given improved service life in die casting and extrusion.

Reference Grade AISI H13 / AFNOR 40 CDV 10 (ESR)

Product Features:

• 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
• Sustainable tool steel: 87,84% recycled content

Applications:

• Die Casting
• Hot Stamping
• General Hot Work Applications
• Metal Extrusion
• Forging