Business Korea reported that POSCO is focusing on liquid natural gas powered vessels as global demand for these eco friendly ships is expected to grow fast. The fuel tanks of these vessels are built with special steel as they store ultra low temperature LNG.
Steel supply for LNG fuel tanksPOSCO expects the LNG fuel tank market to grow in earnest staring from 2021. So it is considering expanding the supply of 9% nickel steel and high manganese steel used for LNG fuel tanks.
Nine percent nickel...
https://mfame.guru/posco-to-expand-steel-supply-for-lng-fueled-vessels/