Table 4.

Extrapolating stress for rupture time as long as 100,000 h of P91 under 600 °C by LMP method and experimental data.

Method	Extrapolating stress (MPa)	Reference
LMP	91	Shrestha et al.21
LMP	92	Srinivasan et al.38
LMP	83	Wilshire et al.37
ECCCa + LMP	90	Bendick et al.34
ECCCb	84.2	ECCC data sheet 39
Experiment (113,431)	80	Panait et al.36
LMP	67.5	This study

^aECCC data sheet in 1995.

^bECCC data sheet in 2019.