Peter Onions (1724 – 1798) was an English

ironmaster An ironmaster is the manager, and usually owner, of a forge or blast furnace for the processing of iron. It is a term mainly associated with the period of the Industrial Revolution, especially in Great Britain. The ironmaster was usually a larg ...

and the inventor of an early puddling process used for the refining of

pig iron Pig iron, also known as crude iron, is an intermediate good used by the iron industry in the production of steel. It is developed by smelting iron ore in a blast furnace. Pig iron has a high carbon content, typically 3.8–4.7%, along with si ...

into

wrought iron Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%), or 0.25 for low carbon "mild" steel. Wrought iron is manufactured by heating and melting high carbon cast iron in an ...

Biography

Onions was born in

Broseley Broseley () is a market town in Shropshire, England, with a population of 4,929 at the 2011 Census and an estimate of 5,022 in 2019. The River Severn flows to its north and east. The first iron bridge in the world was built in 1779 across the ...

, Shropshire, later moving to

Merthyr Tydfil Merthyr Tydfil () is the main town in Merthyr Tydfil County Borough, Wales, administered by Merthyr Tydfil County Borough Council. It is about north of Cardiff. Often called just Merthyr, it is said to be named after Tydfil, daughter of K ...

in Wales. He married Elizabeth Guest, sister of John Guest, a founder of Guest, Keen and Nettlefold, which is today the British conglomerate GKN In 1783, Onions received

patent A patent is a type of intellectual property that gives its owner the legal right to exclude others from making, using, or selling an invention for a limited period of time in exchange for publishing an sufficiency of disclosure, enabling discl ...

number 1370 for his invention.

Henry Cort Henry Cort (c. 1740 – 23 May 1800) was an English ironware producer who was formerly a Navy pay agent. During the Industrial Revolution in England, Cort began refining iron from pig iron to wrought iron (or bar iron) using innovative productio ...

later improved on Onion's process during the development of his puddling furnace.

References

1724 births 1798 deaths Businesspeople from Shropshire Foundrymen British ironmasters Engineers from Shropshire People from Broseley People of the Industrial Revolution British metallurgists {{England-engineer-stub