Hyundai Steel Develops 9% Ni Plate for Ship’s LNG Fuel Tanks

Korea Times reported that Hyundai Steel will develop new types of steel that can withstand extremely low temperatures and supply them to liquid natural
Hyundai Steel Develops 9% Ni Plate for Ship’s LNG Fuel Tanks
Ni Plate LNG Fuel TanksKorea Times

Korea Times reported that Hyundai Steel will develop new types of steel that can withstand extremely low temperatures and supply them to liquid natural gas propulsion ships. Hyundai Steel has signed an order for materials for LNG powered container ship fuel tanks under construction by Hyundai Heavy Industries. The material for the fuel tank that is contracted is 9% Nickel thick plate that was developed in December 2020. The contracted amount of orders will be two LNG-powered super-sized container ships. Starting with this order, Hyundai Steel plans to actively win additional orders for LNG propulsion ship fuel tanks as well as land storage tanks used in LNG plants and LNG terminals.

The 9% Ni thick plate developed by Hyundai Steel is an ultra high performance steel used in LNG fuel tanks due to its excellent shock tolerance and excellent welding performance even in extremely low temperature environments of below minus 196 degree Celsius. Hyundai Steel has started development of 9% Ni thick plate new steel since September 2018 and secured stable quality levels in March last year as a result of focusing on R&D capabilities. In December, the company acquired all nine major domestic and international ships’ classification certificates, including KR of Korea, ABS of US and DNVGL of Norway & Germany and completed evaluation of Hyundai Heavy Industries' customers at the same time to prepare for the order.

LNG has the advantage of significantly less pollutant emissions than conventional ship diesel, but technical restrictions such as keeping the inside of the storage facility below minus 165 degree Celsius is followed.

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