KnowraBlast furnaceLinked fromLinked fromThe 29 pages that link to Blast furnace, each with the reason it gives.All 29Broader topic 10Related 14Narrower topic 2Compared with 3Iron oreNarrower topic: It is a major route for converting prepared iron ore into hot metal.Pig ironNarrower topic: Pig iron forms as molten iron collects at the bottom of this furnace.