Ironworks

An ironworks or iron works is an industrial plant where iron is smelted and where heavy iron and steel products are made. The term is both singular and plural, i.e. the singular of "ironworks" is "ironworks".
Ironworks succeed bloomeries when blast furnaces replaced former methods. An integrated ironworks in the 19th century usually included one or more blast furnaces and a number of puddling furnaces or a foundry with or without other kinds of ironworks. After the invention of the Bessemer process, converters became widespread, and the appellation steelworks replaced ironworks.
The processes carried at ironworks Steelers are usually described as ferrous metallurgy, but the term siderurgy is also occasionally used. This is derived from the Greek words "sideros" - iron and "ergon" or "ergos" - work. This is an unusual term in English, and it is best regarded as an anglicisation of a term used in French, Spanish, and other Romance languages.
Varieties of ironworks.
Primary ironmaking.
Ironworks is used as an omnibus term covering works undertaking one or more iron-producing processes. Such processes or species of ironworks where they were undertaken include the following:
Modern steelmaking.
From the 1850s, pig iron might be partly decarburised to produce mild steel using one of the following:
The mills operating converters of any type are better called steelworks, ironworks referring to former processes, like puddling.
Further processing.
After bar iron had been produced in a finery forge or in the forge train of a rolling mill, it might undergo further processes in one of the following:
Manufacture.
Most of these processes did not produce finished goods. Further processes were often manual, including 
In the context of the iron industry, the term "manufacture" is best reserved for this final stage.
Notable ironworks.
The notable ironworks of the world are described here by country. See above for the largest producers and the notable ironworks in the alphabetical order.
Asia.
Japan.
The largest Japanese steel companies' main works are as follows:
Europe.
Great Britain.
 Sweden 
 Lummelunda Järnbruk
 Österbybruk
Engelsberg Ironworks
Storbrohyttan Gjuteri
Pershyttan
Galtström Ironworks
Forsbacka Ironworks
Kengis Forge
Trångfors Forge
Motjärnshyttan