High manganese steel? Is it steel with a lot of manganese? Recently, POSCO has been in active cooperation with the Big 3 shipbuilders in Korea - Hyundai Heavy Industries, Daewoo Shipbuilding & Marine Engineering (DSME), and Samsung Heavy Industries - to develop their own technology for LNG storage tanks using this material. Fortunately, POSCO succeeded in developing it for the first time in 1993, and after quality stabilization, production for the material has been accelerated from 2007.
In addition, 9% nickel steel could only be produced by few steelmakers in the past, so domestic shipbuilders had to depend on imports. However, nickel has a downside: it is expensive, and its supply and demand are unstable. Since then, it has been widely used as a material for storage tanks of extremely low-temperature use. 9% nickel steel was first developed by an American company, INCO, in 1944, and its safety was proven through model testing in 1960. This is because nickel maintains outstanding strength and toughness even at extremely low temperatures. 9% nickel steel is the most widely used steel for cryogenic application.
l Presenting POSCO’s Trio for the LNG Industry – No.1: 9% Nickel Steel sssĩ% nickel steel? Let me guess! It’s a steel product with 9% nickel, right?Įxactly. At POSCO, there is a trio fit for the purpose: 9% nickel steel, high manganese steel, and STS304L. Then, what is POSCO’s solution for the LNG industry?įirst, let me introduce POSCO’s lineup of steel materials for low temperature and cryogenic applications. As you mentioned, various technology developments are needed to use LNG better. I didn’t know that LNG was such an eco-friendly energy source.
POSCO Newsroom presents a special series in the name of GPS, covering the story of how POSCO is leading our daily lives to become more eco-friendly.
POSCO’s GPS ( Green POSCO Solution) is also on its way towards a greener future. ‘Eco-friendly’ would be a milestone that all - from individuals to corporates - encounter.
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