ASSAB QRO 90 Supreme Datasheet

Wrought Tool Steel

Supplied by ASSAB Pacific Pte. Ltd.

Create your free Prospector account to view this complete product datasheet. A free account includes access to hundreds of thousands of detailed technical datasheets. Create Your Free Account
Product Description
General
QRO 90 Supreme is a high-performance, chromium-molybdenum-vanadium alloyed hot work tool steel which is characterized by:
  • 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

Applications
  • Die Casting
  • Extrusion
  • Hot Forging
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
Available Documents
Technical Datasheet (English)
Metals General
Nominal Value
Unit
 
Metal Type (Hot Worked and Annealed)
 
 
Metals Type Analysis
Nominal Value
Unit
 
Type Analysis
     
Carbon
%
 
Chromium
%
 
Manganese
%
 
Molybdenum
%
 
Silicon
%
 
Vanadium
%
 
Metals Physical
Nominal Value
Unit
 
Density (68°F)
lb/in³
 
Metals Mechanical
Nominal Value
Unit
 
Tensile Strength (Ultimate) 2 (73°F)
ksi
 
Tensile Strength (Yield), 0.2% 2 (73°F)
ksi
 
Hardness (HB-Scale)
 
 
Tensile Modulus (68°F)
ksi
 
Metals Thermal
Nominal Value
Unit
 
Mean CTE (68 to 752°F)
in/in/°F
 
Thermal Conductivity (752°F)
Btu·in/hr/ft²/°F
 
Notes
1Typical properties: these are not to be construed as specifications.
2Hardness: 48 HRC
 
UL and the UL logo are trademarks of UL LLC © 2022. All Rights Reserved.
The information presented here was acquired by UL from the producer of the product or material or original information provider. However, UL assumes no responsibility or liability for the accuracy of the information contained on this website and strongly encourages that upon final product or material selection information is validated with the manufacturer. This website provides links to other websites owned by third parties. The content of such third party sites is not within our control, and we cannot and will not take responsibility for the information or content.