Table 2: Mechanical properties of the tensile tested steel at each temperature.

Temperature (T)Tensile strength (UTS) (MPa)Yield stress (YS0.2) (MPa)YS0.2/UTSTotal elongation (TE) (%)

1−40°C8345770.6943.4
220°C7435540.7543.8
380°C6765270.7841.8
4140°C6175110.8343.4
5200°C6045090.8422.4