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en.wikipedia.org/wiki/Blast_furnace

A blast furnace is a type of metallurgical furnace used for smelting to produce industrial metals, ... He suggests that early blast furnace and cast iron production evolved from furnaces used to melt bronze. ..... to combine with the coke to release additional energy and increase the percentage of reducing gases present which is ...

en.wikipedia.org/wiki/Pig_iron

Pig iron is an intermediate product of the iron industry. Pig iron has a very high carbon content, ... Smelting and producing pig iron and other iron products was known to the Ancient Egyptians and gradually ... Until recently, pig iron was typically poured directly out of the bottom of the blast furnace through a trough into a ladle ...

www.bbc.co.uk/schools/gcsebitesize/science/aqa/metalsanduses/extractingmetalsrev8.shtml

Iron from the blast furnace is an alloy of about 96 percent iron, with carbon and ... Other metals are often added, such as vanadium and chromium, to produce ...

www.steel.org/making-steel/how-its-made/processes/how-a-blast-furnace-works.aspx

Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or ... Sinter is produced from fine raw ore, small coke, sand-sized limestone and ...

www.britannica.com/technology/blast-furnace

Sep 26, 2016 ... blast furnace: a vertical shaft furnace that produces liquid metals by ... Blast furnaces are used to produce pig iron from iron ore for ... 4 to 4.5 percent carbon, 0.6 to 0.8 percent silicon, 0.03 percent sulfur, 0.7 to 0.8 percent ma.

www.explainthatstuff.com/ironsteel.html

Jul 14, 2016 ... The iron made in a blast furnace is an alloy containing about 90–95 percent iron, 3–4 percent carbon, and traces of other elements such as ...

sites.google.com/site/pgsteelcompany/blastfurnace

The basic materials used for the manufacture of pig iron are iron ore, coke, and ... pig iron as produced by blast furnaces contains iron, about 92 percent; carbon, ...

science.howstuffworks.com/iron3.htm

A blast furnace is charged with iron ore, charcoal or coke (coke is charcoal made from coal) and limestone (CaCO3). Huge quantities ... Pig iron contains 4 to 5 percent carbon and is so hard and brittle that it's almost useless. If you want to do  ...

www.chemguide.co.uk/inorganic/extraction/iron.html

This page looks at the use of the Blast Furnace in the extraction of iron from iron ore, and the conversion of the ... Coke is produced by heating coal in the absence of air. .... The higher the percentage of carbon, the harder the steel becomes.

chem.libretexts.org/Core/Inorganic_Chemistry/Descriptive_Chemistry/Elements_Organized_by_Block/3_d-Block_Elements/1b_Properties_of_Transition_Metals/Metallurgy/The_Extraction_of_Iron

Nov 29, 2015 ... Extracting iron from iron ore using a Blast Furnace. The common ... Coke is produced by heating coal in the absence of air. Coke is cheap .... than pure iron. The higher the percentage of carbon, the harder the steel becomes.