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Ferrous
 
 
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Ferrous, in chemical science
Chemical Science

For the subject of the Chemical Sciences, see ChemistryFor the journal supplement Chemical Sciences, see Royal Society of Chemistry#Publications...
, indicates a bivalent iron compound (+2 oxidation state), as opposed to ferric
Ferric

Ferric is a term that means containing or having to do with iron, derived from the Latin word ferrum, meaning "iron". In chemistry the term is reserved for iron with an oxidation number of +3, denoted iron or Fe3+, whereas ferrous indicates that it has oxidation number of +2 and is denoted iron or Fe2+....
, which indicates a trivalent iron compound (+3 oxidation state).

Outside of chemical science, ferrous is an adjective used to indicate the presence of iron. The word is derived from the Latin
Latin

Latin is an Italic language, historically spoken in Latium and Ancient Rome. Through the Military history of the Roman Empire, Latin spread throughout the Mediterranean and a large part of Europe....
 word ferrum (iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
). Ferrous metals include steel
Steel

Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.14% by weight , depending on grade. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium, and tungsten....
 and pig iron
Pig iron

Pig iron is the intermediate product of smelting iron ore with coke , usually with limestone as a flux. Pig iron has a very high carbon content, typically 3.5?4.5%, which makes it very brittle and not useful directly as a material except for limited applications....
 (which contain a few percent of carbon) and alloy
Alloy

An alloy is a partial or complete solid solution of one or more chemical element in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal history....
s of iron with other metals (such as stainless steel.)

The term non-ferrous is used to indicate metal
Metal

In chemistry, a metal is a chemical element whose atoms readily lose electrons to form positive ions , and form metallic bonds between other metal atoms and ionic bonds between nonmetal atoms....
s other than iron and alloy
Alloy

An alloy is a partial or complete solid solution of one or more chemical element in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal history....
s that do not contain an appreciable amount of iron.








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Ferrous, in chemical science
Chemical Science

For the subject of the Chemical Sciences, see ChemistryFor the journal supplement Chemical Sciences, see Royal Society of Chemistry#Publications...
, indicates a bivalent iron compound (+2 oxidation state), as opposed to ferric
Ferric

Ferric is a term that means containing or having to do with iron, derived from the Latin word ferrum, meaning "iron". In chemistry the term is reserved for iron with an oxidation number of +3, denoted iron or Fe3+, whereas ferrous indicates that it has oxidation number of +2 and is denoted iron or Fe2+....
, which indicates a trivalent iron compound (+3 oxidation state).

Outside of chemical science, ferrous is an adjective used to indicate the presence of iron. The word is derived from the Latin
Latin

Latin is an Italic language, historically spoken in Latium and Ancient Rome. Through the Military history of the Roman Empire, Latin spread throughout the Mediterranean and a large part of Europe....
 word ferrum (iron
Iron

Iron is a chemical element with the symbol Fe and atomic number 26. Iron is a Group 8 element and period 4 element. Iron is lustrous and silvery in color....
). Ferrous metals include steel
Steel

Steel is an alloy consisting mostly of iron, with a carbon content between 0.2% and 2.14% by weight , depending on grade. Carbon is the most cost-effective alloying material for iron, but various other alloying elements are used such as manganese, chromium, vanadium, and tungsten....
 and pig iron
Pig iron

Pig iron is the intermediate product of smelting iron ore with coke , usually with limestone as a flux. Pig iron has a very high carbon content, typically 3.5?4.5%, which makes it very brittle and not useful directly as a material except for limited applications....
 (which contain a few percent of carbon) and alloy
Alloy

An alloy is a partial or complete solid solution of one or more chemical element in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal history....
s of iron with other metals (such as stainless steel.)

The term non-ferrous is used to indicate metal
Metal

In chemistry, a metal is a chemical element whose atoms readily lose electrons to form positive ions , and form metallic bonds between other metal atoms and ionic bonds between nonmetal atoms....
s other than iron and alloy
Alloy

An alloy is a partial or complete solid solution of one or more chemical element in a metallic matrix. Complete solid solution alloys give single solid phase microstructure, while partial solutions give two or more phases that may be homogeneous in distribution depending on thermal history....
s that do not contain an appreciable amount of iron.

See also

  • Ferric
    Ferric

    Ferric is a term that means containing or having to do with iron, derived from the Latin word ferrum, meaning "iron". In chemistry the term is reserved for iron with an oxidation number of +3, denoted iron or Fe3+, whereas ferrous indicates that it has oxidation number of +2 and is denoted iron or Fe2+....
  • Ferromagnetism
    Ferromagnetism

    Ferromagnetism is the basic mechanism by which certain materials form permanent magnets and/or exhibit strong interactions with magnets; it is responsible for most phenomena of magnetism Magnet#Common uses of magnets ....
  • Iron(II) oxide
    Iron(II) oxide

    Iron oxide, also known as ferrous oxide, iron oxide/oxidized iron or more commonly rusted iron, is one of the iron oxides. It is a black-colored powder with the chemical formula ....
  • Steelmaking
    Steelmaking

    Steelmaking is the second step in producing steel from iron ore. In this stage, impurities such as sulfur, phosphorus, and excess carbon are removed from the Pig iron, and alloying elements such as manganese, nickel, chromium and vanadium are added to produce the exact steel required....