Welding A Boiler. This article was originally published in the Winter 2010 National Board BULLETIN as the second of a two-part series. Skills of a Boilermaker In order to assemble boilers and perform repairs boilermakers must learn a variety of welding techniques including Arc MIG TIG and Pipeline welding.
Industrial boiler systems are often made by welding together thick steel plates allowing extremely high pressures to be made. Welding or cutting in enclosed spaces such as tanks can seriously deplete the oxygen content of the air. WELDING OF BOILERS PRESSURE VESSELS AND PRESSURE PIPING d issue to any pressure welder in his employ a symbol for stamping his work and notify the department to whom such symbol is issued.
Argon arc welding can be used for backing welding.
John Hoh Senior Staff Engineer National Board. Really swing hard you dont want a thin spot to begin leaking in February 2. Take two flat pieces of steel of the same or at least similar composition and tensile strength than those of the boiler tube. When the flame goes out it means that the internal air has been emptied.