Hindustan Aeronautics (HAL) has delivered heaviest Semi-Cryogenic propellant tank to ISRO. The 'heaviest' Semi-Cryogenic propellant tank (SC120- LOX) ever fabricated by it has been delivered to the Indian Space Research Organisation (ISRO).
The semi cryo-liquid oxygen (LOX) tank - the first developmental welded hardware is a part of the SC120 stage, intended for payload enhancement by replacing the L110 stage in the existing Mk-III launch vehicle.
Hindustan Aeronautics is Bengaluru based Defence Public Sector Undertakings (DPSU) Company engaged in the design, development, manufacture, repair, overhaul, upgrade and servicing of a wide range of products including, aircraft, helicopters, aero-engines, avionics, accessories and aerospace structures.