The pig iron is then processed for purification work for production of various kinds of iron and steel in form of ingots (large sections) using different furnaces. Fig 2 shows a flow chart for production of different kinds of iron and steel.
USES OF PIG IRON. Pig iron can also be used to produce gray iron and high purity pig irons can be used to produce ductile iron. In modern steelmaking, pig iron/slag is transferred, in liquid form referred to as "hot metal", from the bottom of the blast furnace into a steelmaking vessel, typically with an electric arc furnace, induction furnace or basic oxygen furnace by burning off the excess ...
Jun 07, 2017· Pig iron can also be used to produce gray iron. This is achieved by remelting pig iron, often along with substantial quantities of steel and scrap iron.
Mar 20, 2017· Quieiroz Galvão's former blast furnaces have been closed by their new owners, but this does not spell the end of pig iron production in northern Brazil. Back in 2016 Q4, Queiroz Galvão, the largest producer of pig iron in Northern Brazil, sold its assets to Suzano, a .
Dec 21, 2018· ASHTABULA, OHIO (AP) — A company planning to build a 474 million plant to produce highgrade pig iron for the metal casting industry says it's received its final air emissions permit from the Ohio Environmental Protection Agency.
How Iron and Steel Work. Once it cools, this metal is known as pig iron. To create a ton of pig iron, you start with 2 tons ( metric tons) of ore, 1 ton of coke ( metric tons) and a half ton ( metric tons) of limestone. The fire consumes 5 tons ( metric tons) of air. The temperature at the core of the blast furnace reaches nearly 3,000...
Tulachermet is the major merchant pigiron producer in Russia that exports to the ; Ural also exports pig from Russia. Donetsk (DMZ) in Ukraine also sells pig iron abroad. Pigiron from Brazil and Ukraine/Russia currently is selling for the same price, loaded .
Due to its high carbon content and relatively high concentrations of phosphorus and sulphur, pig iron is generally very brittle and is not suitable for forging or welding. Therefore, the pig iron must be posttreated to produce the actual steel with its typical forging and welding properties.
Industrial Pig Iron is raw iron, which is an immediate product of smelting iron ore with coke and limestone in a blast furnace. Pig iron usually has very high carbon content, typically %, which makes it very brittle and not useful directly as a material except for limited applications.
Merchant Pig Iron is cold iron, cast iron ingots and sold as ferrous feed stock for the steel and metal casting industries. This is available in three forms such as: BASIC PIG IRON used mainly in electric arc steel making. HEMATITE PIG IRON [also known as FOUNDRY PIG IRON], used in mainly in the manufacture of grey iron castings in cupola furnaces.
A Cupola furnace is used to produce cast iron by: Melting pig iron together with predetermined amounts of scrap iron, steel and limestone. Melting pig iron together with coke to lower the carbon content of the steel Melting scrap iron, limestone and coke while increasing the temperature above the melting point