Jharkhand News : The country’s public sector Maharatna steel producer Steel Authority of India Limited (SAIL) has supplied all DMR grade specialty steel for the country’s first indigenously built aircraft carrier INS Vikrant. To achieve this milestone, the company has supplied about 30000 tonnes of DMR grade specialty steel for the construction of this first indigenous aircraft carrier of the Indian Navy, participating in the direction of building a “self-reliant India”. This indigenous aircraft carrier “INS Vikrant” will be commissioned from Cochin Shipyard Limited on 02 September.
The steel supplied by SAIL for this indigenous project comprises of special DMR grade plates. These DMR grade plates have been developed by SAIL in collaboration with Indian Navy and DMRL. Grade 249A for the hull and interior of the ship and Grade 249B DMR plates for the flight deck were used. Except for the bulb bar, the specialty steel for this warship has been fully supplied by the company’s integrated steel plants – Bhilai, Bokaro and Rourkela. This special grade steel-DMR plate used in the construction of INS Vikrant is helpful in bringing down imports.
The commissioning of India’s first indigenous aircraft carrier is a momentous occasion for the country during the nectar period of 75 years of India’s independence and it is also a symbol of the country’s confidence and prowess. This indigenous aircraft carrier is a testament to the country’s technical prowess and engineering prowess. The aircraft carrier will demonstrate the capability of India’s self-reliance in building warships, strengthening the country’s defense indigenization programs and “Make in India” campaign. With the commissioning of INS Vikrant, our country has entered the club of elite countries of the world who can build their own aircraft carrier. It is a matter of great pleasure for SAIL to be a partner of this excellent engineering.
Bokaro Steel has also been installed in the country’s first indigenous warship INS Vikrant. DMR 249A is a DMR 249A grade steel with many characteristics, which is as hard as it is flexible. It can withstand a force of 80 Joules even at minus 60 degree Celsius temperature. By reducing the amount of manganese, carbon and sulfur in this steel, the amount of nickel was increased. Also elements like vanadium, niobium, molybdenum, chromium were added. Heat treatment was given by making its plate. The important feature is that it has a low weight, which is essential for any aircraft carrier.
India’s indigenous warship INS Kavaratti, which can also be called Bahubali of the sea, joined the Indian Navy (on 22 October 21). About 1000 tonnes of DMR plates of Bokaro Steel Plant have been installed in this warship, while 4700 tonnes of Bhilai and 865 tonnes of Rourkela. The specialty of INS Kavaratti is that it is not caught by radar. The Navy’s strength has increased even more with Kavaratti joining the fleet. In this, 90 percent of the things are indigenous. The commissioning of INS Kavaratti is another important step in the security of the country’s maritime borders. It has a state-of-the-art weapon system.
Bokaro Steel Plant Communication Head Manikant Dhan said that BSL is contributing to a self-reliant India. INS Vikrant and Kavaratti are fitted with BSL steel. BSL has supplied thousands of tonnes of steel. Steel is also regularly supplied for the construction of submarines and submarines. Special types of steel are being produced in BSL to meet the defense requirements. There is a supply of what is ordered. BSL has supplied the bulk of the steel involved in the construction of INS Vikrant and INS Kavaratti.