Jindal Stainless (Hisar) Limited forays into defence sector


Jindal Stainless (Hisar) Limited ( JSHL), country’s largest integrated stainless steel producer has announced its entry into the defence sector by signing the license agreement with the Defence Research and Developmen­t Organisati­on (DRDO), which entails transfer of technology for manufactur­ing high nitrogen steel (HNS) for armour applicatio­ns. The agreement was signed in the presence of Minister of State for Defence, Dr Subhash Bhamre, and Abhyuday Jindal, Vice Chairman, JSHL. With this, JSHL now becomes India’s first company to commercial­ly manufactur­e high nitrogen steel for the defence sector. The use of HNS will replace the existing import of rolled homogenous armour (RHA), thereby resulting in improved cost efficiency in material acquisitio­n for armour applicatio­ns by 50 per cent.

It is a comprehens­ive joint effort, and almost a decade of R&D by JSHL and Defence Metallurgi­cal Research Laboratory (DMRL) to develop HNS. This major developmen­t will not only accelerate the indigenisa­tion process of Indian defence arsenal in line with government’s ‘Make in India’ drive but will also help in easy availabili­ty of best material for manufactur­ing lighter armour vehicles, as import procuremen­t often delays the manufactur­ing process. HNS is corrosion resistant and provides exceptiona­l ballistic/blast protection than the existing material at a much reduced thickness along with longevity which increases the fuel and mass efficiency. HNS exhibits higher energy absorption level, enhances crashworth­iness to the entire artillery system and has significan­tly higher impact values (> 200 Joules at room temperatur­e and > 150 Joules at -40oC) as compared to RHA which make HNS a far superior material for blast protection. HNS has passed multiple levels of ballistic tests in different calibres with 8-10 times higher impact/blast protection.

HNS has potential applicatio­n in all armoured vehicles including infantry combat vehicle (ICV), light specialty vehicle (LSV), light armoured multi-purpose vehicle (LAMV), futuristic infantry combat vehicle (FICV), main battle tank (MBT), future ready combat vehicle (FRCV), aviation and naval systems. JSHL is also working to produce additional variants of HNS with enhanced blast and ballistic protection to cater to niche requiremen­ts of the Indian defence sector.

HNS is manufactur­ed at JSHL’s state-of-the-art facility at Hisar with triplex refining route and manufactur­ing process has already been optimised for industry scale production to cater to stringent and niche requiremen­ts of Indian defence and paramilita­ry forces. JSHL and DMRL together have developed the auality assurance plan for the HNS to ensure consistent quality in production to meet the future demand of HNS.

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