Uddeholm QRO 90 HT

ESPECIALLY PRODUCED FOR CORE PINS IN DIE CASTING DIES

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Uddeholm QRO 90 HT is a hot rolled, pre-machined and pre-hardened QRO 90 Supreme material. The properties of Uddeholm QRO 90 Supreme in combination of pre-machined, pre-hardened round dimension makes the product extremely robust for core pins and other thermal stability inserts for high pressure die casting.

Benefits

  • Reduced maintenance and downtime costs combined with increased productivity due to the reduced likelihood of premature failures.
  • Excellent machinability in pre-hardened condition ensures advantages in both tool making and tool maintenance.

Standard specification AISI H13

General Information

  • Shorter lead times
  • High hot yield strength
  • Great hot creep strength
  • Extremely high temper back resistance
  • Uddeholm QRO 90 HT can be surface treated for improved wear and soldering resistance
  • Recycling rate 88,44%

Technical Data

Uddeholm QRO 90 HT

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

Reference steel AISI H13

  • Hot wear resistance 40%
  • Plastic deformation resistance 40%
  • Heat checking resistance 40%
  • Premature cracking resistance 35%
C Si Mn Cr Mo V
0.38 0.30 0.80 2.60 2.30 0.90

Downloads

Uddeholm QRO 90 Supreme - Technical brochure
PDF | 1.88 MB

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