Development of Clydebridge

1885
Quotations being sought for steelmaking plant by Neilson family
1887 Works completing and staff being taken on. Works comprised 6 off 25 ton acid open hearth furnaces, a steam driven cogging mill, 2 reversing plate mills driven by 2 steam engines, a plate shear.
1888 Clydebridge Steel Company starts production.
1887 - 1917 Original Works
1907 2 x 50 ton furnaces added and a Heavy Plate Mill (No3) driven from No1 Plate Mill
1907 - 1912 Works closed down due to depression in trade, under an agreement with the Scottish Steelmasters' Association
1915 Taken over by David Colville, & Son Ltd.
1917 New No 2 Melting Shop, consisting of 5 off 80 ton Fixed Furnaces & No2 Cogging Mill built using stands from No 3 Plate Mill.
1920 2000 employees
1922 New 3 High Plate Mill erected. Started 20 February 1923.
1930 850 employees, 137,690 tons consigned
1931 Became Colvilles Ltd. On 1st January 1931
  636 employees, 87,392 tons consigned
1932 507 employees, 83,521 tons consigned
1933 705 employees, 108,816 tons consigned
1934 905 employees, 231,805 tons consigned
1935 958 employees, 232,824 tons consigned
1936 Pipeline laid for conveying blast furnace gas from Clyde Iron Works.
  1137 employees, 276,293 tons consigned
1937 No 2 Cogging Mill steam engine replaced with electric motor drive
1937 1141 employees, 297,729 tons consigned
1938 Hot Metal process started, & 600 Ton Metal Mixer & Melting Shop Extension built.
  1067 employees, 249,863 tons consigned
1939-40 New No1 and No 2 blast furnaces at Clyde Iron Works.
  1320 employees, 259,557 tons consigned
1942 300 Ton Tilting Furnace (R) added.
  1600 employees
1950 Further extension to Melting Shop with 2 off 350 Ton Tilting Furnaces & 5 Soaking Pits.
1951 New Slab Cogging Mill 1st Stage
Company Nationalised
1955 New Slab Cogging Mill 2nd Stage
1958 3 off new 150Ton Fixed Furnaces built to replace 5 off 80 Ton existing Furnaces in No 2 melting shop. No1 melting shop was then closed.
1960 Work started on new 4 High Plate Mill. Started rolling plates August, 1962
1962 New Light Plate (rotary) Shearline erected. Finished in 1963
  Heat Treatment plant installed (1 Furnace)
  Shot Blast plant installed
1964 & 69 Heat Treatment plant extended (2 Furnaces)
1966 Schloemann No 2 End Cut Shear installed
1967 Nationalised
1973 Drever & Burns Roller Pressure Quench installed in Heat Treatment Plant
1974 2,410 employees (Clyde Iron Works - 1,191 employees)
1975 Heat Treatment plant extended (2 Furnaces) No 1A added, New Large Transfer Car Roller Table
  2,900 employees (peak was 3,500 employees)
  No 4 & 5 Heat Treatment furnaces installed
1977 November, Clyde Iron Works, No 2 Melting Shop & Slabbing Mill closed. Melting Shops produced 20million tons 1888-1977
  600 employees
1978 Heat treatment & Slab Reheating furnaces converted to natural gas and microprocessor control. New No 1 furnace installed (servo controlled oil hydraulic winch drive). New, second, shot blast machine installed
  Radio active plate thickness gauger installed at 4 high plate mill
Heat treatment pull across tables installed (ex Consett)
  700 employees
1980 Steel Strike 2 January - 2 April 1980. 800 employees
1982 November 12th - Plate Mill & Light Shearline closed (announced 20 Aug 1982)
  Heat Treatment Plant and Heavy Shearline Retained, 150 employees.
1986 120 employees
1989 100 employees
1990s Heavy Shears plant (except leveller) removed and replaced with oxyplane cutters
1999 June, British Steel and Hoogovens merge to form Corus
2006 20 October, India's Tata Steel agreed a £4.3 billion takeover bid for Anglo-Dutch steelmaker Corus Group.
2010 October, Corus name changed to Tata Steel

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