RENE 77 VACUUM INDUCTION MELTING (VIM) ELECTROSLAG REMELTING (ESR) HOT ROLLING HEAT TREATMENT SUPERALLOY ROUND BAR 2026-06-17T12:15:22 2026-06-17T12:15:22 PARMANU DHATU NIGAM

PARMANU DHATU NIGAM

RENE 77 VACUUM INDUCTION MELTING (VIM) ELECTROSLAG REMELTING (ESR) HOT ROLLING HEAT TREATMENT SUPERALLOY ROUND BAR