ULTRA-HIGH PURITY KOVAR (ASTM F15 | UNS K94610 | DIN 1.3981 | CONTROLLED EXPANSION ALLOY) MANUFACTURING PROCESS: VIM + ESR + HOT ROLLING + HEAT TREATMENT 2026-06-04T13:23:00 2026-06-04T14:09:04 PARMANU DHATU NIGAM

PARMANU DHATU NIGAM

ULTRA-HIGH PURITY KOVAR (ASTM F15 | UNS K94610 | DIN 1.3981 | CONTROLLED EXPANSION ALLOY) MANUFACTURING PROCESS: VIM + ESR + HOT ROLLING + HEAT TREATMENT