Cementation furnace, Sheffield
Encyclopedia
The Cementation furnace in Sheffield
Sheffield
Sheffield is a city and metropolitan borough of South Yorkshire, England. Its name derives from the River Sheaf, which runs through the city. Historically a part of the West Riding of Yorkshire, and with some of its southern suburbs annexed from Derbyshire, the city has grown from its largely...

, South Yorkshire
South Yorkshire
South Yorkshire is a metropolitan county in the Yorkshire and the Humber region of England. It has a population of 1.29 million. It consists of four metropolitan boroughs: Barnsley, Doncaster, Rotherham, and City of Sheffield...

, England is a Grade II Listed Building and is the only example of this type of steel making furnace to survive intact in Great Britain
Great Britain
Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

. It is situated on Doncaster Street in the St Vincent's Quarter just one kilometre north west of the city centre.

History

The furnace was built in 1848 to produce steel by the cementation process
Cementation process
The cementation process is an obsolete technique for making steel by carburization of iron. Unlike modern steelmaking, it increased the amount of carbon in the iron. It was apparently developed before the 17th century. Derwentcote Steel Furnace, built in 1720, is the earliest surviving example...

 by the local steel firm of Daniel Doncasters and Sons, a firm which had been established in Sheffield in 1778. By 1860 there were 250 cementation furnaces in Sheffield capable of producing 80,000 tons of blister steel and the large conical structures were a characteristic feature of the city‘s industrial landscape. The furnace on Doncaster Street is the only remaining example which is undamaged although there are two other sites in the immediate area which have examples which are partially intact, these being at Bower Spring and Millsands. The Doncaster Street furnace operated throughout World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 and a blackout
Blackout (wartime)
A blackout during war, or apprehended war, is the practice of collectively minimizing outdoor light, including upwardly directed light. This was done in the 20th century to prevent crews of enemy aircraft from being able to navigate to their targets simply by sight, for example during the London...

 cover was fitted to the furnace outlet as a precaution during air raids, this is still in place today (painted white). The furnace ceased operation in 1951.

Present day

After standing unused for 40 years the furnace was restored in 1992/93 with financial assistance from the HSBC
HSBC
HSBC Holdings plc is a global banking and financial services company headquartered in Canary Wharf, London, United Kingdom. it is the world's second-largest banking and financial services group and second-largest public company according to a composite measure by Forbes magazine...

 (then Midland) Bank. The furnace stands on land owned by the HSBC on the periphery of a car park for their offices on Hoyle Street. The furnace is surrounded by low fencing and a locked gate with the key being available from the curator at the nearby Kelham Island Museum
Kelham Island Museum
The Kelham Island Museum is an industrial museum on Alma Street, alongside the River Don, in the centre of Sheffield, England. It was opened in 1982.-The site:...

.
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