Beyond tariffs: Posco fuels Korea's LNG ambitions with high-manganese steel
With its high-performance steel, Posco is building the backbone of Korea’s LNG infrastructure, from storage tanks to fuel-powered vessels. GWANGYANG, South Jeolla Province — Caught in the crosshairs of protectionism, South Korean steel giant Posco faces the heat of US President Donald Trump’s 25 percent steel tariffs, which are set to go into effect March 12. But Posco’s is still forging new paths at Gwangyang Steelworks, where it is making its patented high-manganese steel, an alloy built to wi