POSCO — Steel & Battery Materials Cycle

POSCO Holdings is South Korea's largest steelmaker and one of the world's top 5 steel producers — operating integrated steelworks at Pohang and Gwangyang with combined capacity of approximately 42 million tonnes per year. Beyond steel, POSCO has transformed into a diversified materials company through its POSCO Future M subsidiary — producing battery materials (cathode, anode), lithium and nickel for the EV supply chain.

Steel: Pohang and Gwangyang Integrated Works

POSCO's Pohang steelworks is one of the world's most efficient integrated steel plants — producing automotive, electrical and specialty steel grades at internationally competitive costs. Korean steel benefits from proximity to shipbuilding (Hyundai Heavy, Samsung Heavy) and automotive (Hyundai, Kia) customers. POSCO's FINEX ironmaking technology — using iron ore fines and coal directly without sintering — provides cost and environmental advantages.

HRC Cycle: The Core Signal

POSCO's earnings are tightly correlated to the spread between global HRC prices and iron ore/coking coal input costs. When Chinese steel exports flood Asian markets, HRC prices fall and POSCO's margins compress. When China restricts exports or cuts production, Asian HRC prices recover and POSCO benefits. Monitoring Chinese steel export volumes is essential for POSCO cycle timing.

Battery Materials: The Transformation Play

POSCO Future M produces NCA/NCM cathode active materials and artificial graphite anode materials for EV batteries — supplying Samsung SDI, SK On and LG Energy Solution. POSCO has also secured lithium assets in Argentina (Hombre Muerto) and nickel assets in Australia, creating a vertically integrated battery materials chain. This transformation story provides a structural growth narrative beyond the commodity steel cycle.

POSCO Argentina Lithium: The Option Value

POSCO's Hombre Muerto lithium brine project in Argentina is one of the highest-grade lithium resources globally. When lithium carbonate prices are high (as in 2021–2022), this asset's NPV is enormous. As EV adoption accelerates and lithium demand grows structurally, POSCO's lithium asset adds significant option value independent of the steel cycle.

Key Risks

Chinese steel overcapacity and export dumping is the persistent headwind for Korean steel pricing. Korean shipbuilding demand for heavy plate is lumpy and cyclical. Battery materials competition from Chinese producers (CNGR, Huayou) with lower-cost domestic supply chains is intensifying. Lithium price cycles are extremely volatile — POSCO's battery materials profitability depends heavily on lithium prices.

Cycle Performance Summary