Vilensky Oleg Yu. Head of Department, Cand. Sci. (Engineering) Afrikantov OKBM JSC sigma@okbm.nnov.ruResults of Operability Validation of BN-600 Reactor Permanent Components for Service Life Extension up to 60 Years 3/27/2026 2026 - #01 Nuclear materials Vilensky O.Yu. Osetrov D.L. Pristrom S.A. Rogozhkin S.A. Staroverov A.I.