ID: 31232An engineer inspecting hot air injection unit in a blast furnace Free downloadKeywords Pohang Steelworksinspectionblast furnaceironPOSCOSouth Koreahot air injection unitCategories Producer, Facility, Ironmaking, South Korea, POSCO, Pohang Steelworks (POSCO), Production Process, CountryRelated itemsExterior view of facility Transporting steel billet to the hot strip mill Cycling past the facility power plant Close-up of steel wire rod coils in storage Cutting steel slab Employees at the biometric scanning machines entering the facility Seamless steel pipe ready for transportation Interior view of flat steel pickling line. Pickling is a treatment used to remove impurities, rust, and scale from the steel’s surface