POSCO operates an integrated production system that ranges from steel making to hot rolling and cold rolling, producing two million tons of stainless steel products every year. Stainless steel products can be classified into austenitic stainless steel, ferritic stainless steel and martensitic stainless steel according to their alloy components and tissue structure. Their typical applications include car exhaust pipes, kitchen appliances, electronics and construction materials. Emerging applications include eco-friendly sectors, such as EV battery cases and LNG.