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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