The S5-class submarine is a planned class of Indian nuclear-powered ballistic missile submarines (SSBNs) currently under development for the Indian Navy.
This new steel is currently undergoing a comprehensive multi-year testing phase to ensure it meets the stringent performance requirements necessary for underwater applications.
Once the testing phase is successfully completed and the steel is cleared for use, it will be utilized in the construction of the S5 class SSBNs. These submarines are reported to be true underwater giants with an estimated submerged displacement exceeding 12,000 tons and a length of nearly 150 meters.
The S5 class submarines are expected to significantly enhance India's underwater deterrence capabilities and reinforce its position as a leading maritime power.
The S5 class submarines project was assessed by the Government of India in 2006, and production is expected to start by 2027. These submarines are part of India's strategic nuclear deterrent and are expected to play a crucial role in the country's defense strategy by providing a second-strike capability. The S5- class will contribute to the triad of India's nuclear deterrence, which comprises land- based missiles, strategic bombers, and SSBNs.
The next-generation steel developed is designed to meet the specific demands of modern submarine construction. While official details on the composition and properties of this new steel are classified, it is undergoing rigorous testing to ensure it surpasses the performance requirements for underwater applications.
Compared to existing materials, this new steel variant is likely to offer improved strength, corrosion resistance, and longevity, which are critical for the harsh conditions submarines encounter in deep-sea environments. The development process for this steel is more extensive than that for the steel used in the INS Vikrant aircraft carrier, indicating a significant advancement in quality and performance.
This specialized steel is expected to enhance the structural integrity and safety of the S5 class submarines, contributing to India's strategic defense capabilities and supporting the nation's goal of self-reliance in defense technology.
This initiative is part of India's strategic move towards self-reliance in defense capabilities. The steel produced by BSP will undergo extensive testing and inspection by the Defence Metallurgical Research Laboratory (DMRL) and the Indian Navy before it is used in the construction of the Submarine.
The development of this steel is a testament to SAIL-Bhilai's commitment to contributing to major defense projects, following their previous work on special steel plates for the INS Vikrant aircraft carrier. The testing for the submarine steel is reported to be ten times more rigorous than that for the steel used in INS Vikrant, highlighting the critical nature and high standards required for submarine construction.
This project is a significant step in bolstering India's defense infrastructure and enhancing its maritime security. The indigenous development of submarines using materials produced within the country not only strengthens national security but also supports the growth of domestic Industries.
Source – Times of India | Via – Idrw.org
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