How to use in-sentence of “pig iron”:
– The part that is not used for pig iron is carried on as “molten iron”.
– The pig iron contains some 4% of carbon and it would be too hard and too brittle to use.
– Oregrounds iron is made by making pig iron in a blast furnace, then refining the pig iron in a finery forge.
– A modern method for decarburizing the pig iron and refining it into steel is basic oxygen furnace.
– A hole is made at the bottom and the liquid pig iron comes out.
– When it has filled with liquid pig iron and slag, the slag is removed.
– After ten minutes all the pig iron had become steel.
– The Bessemer converter was the first successful reactor on converting pig iron into steel, and the era of steel began.
