Gas-Shielded Tungsten-Arc Welding

  • Peter F. Woods
Part of the Engineering craft studies series book series (ECS)


Gas-shielded tungsten-arc welding (called ‘T.I.G.’, ‘tungsteninert-gas’, or ‘Άrgon-arc’) is a fusion process that uses a virtually non-consumable electrode in a completely inert gas shield. The metal tungsten has the highest melting point of all metals, at 3410 °C. (Although it is often called nonconsumable, this is not strictly true since it does gradually erode away in the arc.) The only alternative material is carbon which, although it does not melt, is dissipated comparatively rapidly in an arc, even if an inert-gas shield is used. In addition, carbon electrodes of small diameter are extremely fragile.


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Further Study

  1. W. V. Binstead and E. G. West, British Experience in the Argon Arc Welding of Aluminium, Welding Institute, CambridgeGoogle Scholar
  2. J. R. Handforth, Practical Aspects of the Argon Arc Welding of Aluminium Alloys, Aluminium Development Association, LondonGoogle Scholar
  3. B. E. Rossi, Welding Engineering, McGraw-Hill, Maidenhead, 1954Google Scholar
  4. B.O.C. Ltd, Argon Arc Welding, Waltham Cross, 1960Google Scholar
  5. Brinal Ltd, Surfacing and Special Electrodes, Camberley, Surrey (revised annually)Google Scholar
  6. Eutectic Co. Ltd, Welding Data Book, Feltham, Middlesex (revised annually)Google Scholar
  7. Sifbronze Ltd, Specification List (includes T.I.G., M.I.G. and M.A.G. consumables), Stowmarket, Suffolk (revised annually)Google Scholar

Copyright information

© Peter F. Woods 1976

Authors and Affiliations

  • Peter F. Woods

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