Grace's Guide

British Industrial History

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Mannesmann Tube Co

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May 1896.
June 1897.

of Salisbury House, London Wall, London, EC, maker of seamless steel tubes.

of Landore, South Wales (works)

1868 Sir William Siemens began his experimental work on the Siemens-Martin open hearth process of steel manufacture at the Landore steel works.

The Landore Siemens Steelworks was opened as an experimental plant in the converted buildings of the Landore Silver and Spelter Works

By 1870 Landore Siemens Steelworks was producing steel rails.

1871 A second works was opened to the east of the River Tawe, with two blast furnaces and extensive mills.

By 1873 this was one of the four largest steelworks in the world. Siemens steel was used to construct warships at Pembroke Dock and the Forth Bridge.

1888 Landore Siemens Steelworks closed

1888 Mannesmann Tube Co was registered with £300,000 capital. [1] acquiring the British patent rights of the Mannesmann process and taking over the assets of the Siemens Company.

c1890 Took over Landore steel works, Swansea[2], including the Siemens process for making seamless tubes. The Mannesmann Tube Company converted large areas of the mills into production lines for seamless steel tubes.

1899 Annual production of 3,000-4,000 tons of steel tubes.

1899 The British Weldless Tube Co was registered on 19 July to take over the business of the Mannesmann Tube Co. In November, the name was changed to the British Mannesmann Tube Co[3]

1899 The blast furnaces and steel making plant were taken over by the Swansea Hematite Company.

See Also


Sources of Information

  1. The Engineer of 20th January 1888 p61
  2. The Engineer 1890/06/27
  3. The Stock Exchange Year Book 1908
  • GGAT 130: The Sinews of War: South East Wales Industry and The First World War, 2015, by Johnny Crawford