QRO90(die steel,mould steel,die casting steel) is Chromium - molybdenum - vanadium alloy hot work tool steel suitablefor high-te
Chemical composition:
C | Si | Cr | Mo | V | Ni |
0.4 | 0.3 | 2.6 | 2.25 | 0.9 | 1.0 |
QRO90(die steel,mould steel,die casting steel) is Chromium - molybdenum - vanadium alloy hot work tool steel suitablefor high-temperature operation.It has the following features:
·Has excellent high temperature strength hardness and resistance to creep strength
·Excellent thermal fatigue of expanding thermal shock
·Has good toughness and material homogeneity
·Has good processability
·Has a good heat treatment
·Has better thermal conductivity than H13
Types of steel: hot work tool steel
Uses: particularly suitable for die-casting mold \ hot forging die.
Factory status: soft annealing to about HB185
