EXCELLENT HIGH TEMPERATURE STRENGTH AND HOT HARDNESS
With its outstanding thermal fatigue resistance, thermal conductivity and temper back resistance Uddeholm QRO 90 Supreme excels as a tool steels where tools tempers down quickly to lower hardness. In applications such as hot stamping, brass forging, die casting core inserts and brass extrusion.
| Carbon | 0.38 | Silicon | 0.30 | Manganese | 0.80 |
| Chromium | 2.60 | Molybdenum | 2.30 | Vanadium | 0.90 |