Ironworks

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The Iron Rolling Mill (Eisenwalzwerk), 1870s, by Adolph Menzel.
Casting at an iron foundry: From Fra Burmeister og Wain's Iron Foundry, 1885 by Peder Severin Krøyer

An ironworks or iron works is a building or site where iron is smelted and where heavy iron and/or 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 and/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 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

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A South Wales iron mill in 1798
Blast furnaces of Třinec Iron and Steel Works.
Toronto rolling mills

Ironworks is used as an omnibus term covering works undertaking one or more iron-producing processes.[1] Such processes or species of ironworks where they were undertaken include the following:

Modern steelmaking

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From the 1850s, pig iron might be partly decarburised to produce mild steel using one of the following:[3]

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

Coat of arms of Eisenhüttenstadt ("city of ironworks"), Germany

Great Britain

(see also List of ironworks in Wales)

United States of America

Czech Republic

Germany

Spain

Historical

References

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External links

Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons