Several ferritic-martensitic steels with 9% nominal chromium content were exposed to flowing lead-bismuth eutectic in the CORRIDA loop. The experiments were performed at 450° and 550°C, at a concentration of dissolved oxygen of the order of 10−6 mass% and a flow velocity of 2 m/s. The maximum exposure time was 8,000 and 20,000 h at 450° and 550°C, respectively. Corrosion of these materials was analyzed both qualitatively and quantitatively.

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