Indian DRDO Develops High Nitrogen Steel for Armour Applications

As per the Defence Research and Development Organisation (DRDO) there has always been a demand to reduce the weight of armoured structures used in various ballistic applications. Weight reduction can be achieved by using newer materials having better ballistic performance or by changing the design of armour systems. Thus for this purpose high strength low alloy steel with tempered martensitic microstructure has been widely used in various armour applications. Other class of steels such as secondary hardening steels, auto tempered steels, maraging steels, bainitic steels and nickel free high nitrogen steels (HNS) for potential ballistic applications have also been used...........................

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