ID: 31229Blast furnace hot air injection unit Free downloadKeywords South Koreahot air injection unitPohang Steelworksblast furnaceironPOSCOCategories Country, Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO), Production ProcessRelated itemsExterior view of Gerdau logo Quality control technician in the wire rod plant Exterior view of blast furnace Cutting steel billet Cutting steel slab Worker walking between cold rolled coils in storage Scrap metal waiting to be recycled into new steel Galvanising steel sheet in the pickling line