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QRO 90 Supreme

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Description

• 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

Main applications

  • Forging and hot stamping dies
  • Core inserts and core pins for small/medium sized die casting molds

Delivery status

Annealed

Hardness of the supply

  • Min: -
  • Med: -
  • Max: 180 HB
  • Composition
  • Services
  • Heat Treatments
  • Download

Profiles available

Thickness Tolerance
Round On Request
Square On Request
Rectangular On Request

Chemical composition (%) 1

Min Med Max
C
0,38
Si
0,30
Mn
0,75
Cr
2,60
Mo
2,25
V
0,90
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Updated on: 30.05.2022
  • Composition

    Profiles available

      • Round
      • On Request
      • Square
      • On Request
      • Rectangular
      • On Request

    Chemical composition (%) 1

    Min Med Max
    C
    0,38
    Si
    0,30
    Mn
    0,75
    Cr
    2,60
    Mo
    2,25
    V
    0,90

    Physical properties

    Mechanical properties

    Please refer to the table in the downloads section.

  • Services
  • Heat Treatments
  • Download

Advanced Search

Hardness HB

Hardness HRC

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