Creep-rupture tests on chromium-containing conventional and ODS steels in oxygen-controlled Pb and air at 650°C

•Generally superior creep performance of ODS steels with 12–14% Cr is indicated.•Strength of 9Cr-ODS at 650̊C approaches conventional 9Cr steels at decreasing load.•ODS steels show brittle primary and ductile residual fracture.•Apparent link between secondary creep rate and fracture mode of ODS stee...

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