Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Tensile Strength at Break | 550 MPa @Temperature 700 °C |
79800 psi @Temperature 1290 °F |
R<sub>m</sub>. austenitized 1020°C, tempered 630°C to 48 HRC. Holding time = 30 minutes. |
Assab Steels QRO 90 SUPREME Hot Work Steel QRO 90 SUPREME is a high-performance, chromium-molybdenum-vanadium alloyed hot-work tool steel which is characterized by: Excellent high temperature strength and hot hardnessVery good temper resista.. |