NRC says manufacturing flaws 'negligible', plant shutdowns not necessary

In its petition to the NRC, Beyond Nuclear cited the potential defects in nuclear reactor components manufactured by AREVA-Le Creusot Forge (ACF). The defects involve flaws in the steel manufacturing process that result in carbon macrosegregation, a condition marked by excess carbon that can make the metal brittle and subject to sudden fracture or tearing under high pressure.

Read more