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Uddeholm QRO 90 HT

ESPECIALLY PRODUCED FOR CORE PINS IN DIE CASTING DIES

Uddeholm QRO 90 Supreme is a hot rolled, premachined and prehardened QRO 90 Supreme material.

  • Very good temper resistance
  • Very high elevated temperature strength
  • High thermal conductivity

Uddeholm QRO 90 HT

  • 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%
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Chemical composition
C 0.38 Si 0.30 Mn 0.80
Cr 2.60 Mo 2.30 V 0.90
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