Daewoo develops new steel for producing LNG containersDaewoo Shipbuilding & Marine Engineering (DSME) said Wednesday it successfully developed high manganese steel that can be used to produce liquefied natural gas (LNG) storage tanks. Since LNG is transported at under minus 163 degrees Celsius, cryogenic materials like nickel were used to make tanks. But these materials were expensive and difficult to produce. High manganese steel, the company says, can solve those problems and makes the company more price competitive - the steel is about half the price of aluminum alloy and lowers the total cost of making an LNG tank by 44 percent. The company added it had been working on developing the material with Posco since November 2010 and plans to use the material in its next-generation LNG carriers and floating production, storage and offloading units.
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