esab Repair and Maintenance Welding Handbook Second Edition

[david-smith]

esab Repair and Maintenance Welding Handbook Second Edition

Author: esab | Size: 1.2 MB | Format: PDF | Quality: Original preprint | Publisher: esab | pages: 130

Every day, welders throughout the world encounter the initials OK on the consumables
they use. OK for Oscar Kjellberg, the founder of Esab AB. Oscar
Kjellberg first invented a new welding technique and followed it up with the
covered electrode. These inventions are the origins of Esab.
Oscar Kjellberg qualified as an engineer and worked for several years on
a couple of Swedish steamships. It was during this period at the end of the
1890s that he came across the problem for which there was no effective solution
at that time. The riveted joints on steam boilers often leaked. Attempts were
made to repair the leaking joints with nails which were forged to produce small
wedges which were then pushed into the joints. Simple electrical welding was
already in use, but Oscar Kjellberg had seen electrical welding repairs and the
results were poor, as there were still cracks and pores.
He realized, however, that the method could be developed and was
supported by the leading shipyards. Oscar Kjellberg set up a small experimental
workshop in the harbour in Göteborg.
In the shipyards of Göteborg, the method quickly attracted a great deal of
interest. It was obvious that it could provide tremendous benefits when welding
and repairing ships. Since then, this repair technique has been further
developed and implemented in other segments.
Today, Esab can offer repair and maintenance consumables for most materials
and welding processes.
In this handbook, you will find Esab Repair & Maintenance products and a
number of applications in which these products are used. The products shown
for each application are general recommendations and should only be used as
a guide.
For further product information, please refer to the ESAB Welding Handbook
or to your local Esab dealer.

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