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Boiler making


Many boilermakers are employed in repairing, repiping, and re-tubing commercial steam and hot water boilers used for heating and domestic hot water in commercial buildings and multi-family dwellings. Sometimes these boilers are referred to as pressure vessels. Generally, a pressure vessel is a storage tank or vessel that has been designed to operate at pressures above 15 p.s.i.g. The two main tasks of boilermakers involve using oxy-acetylene gas torch sets to cut or gouge steel plate and tubes, followed by gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), or gas metal arc welding (GMAW) to attach and mend the cut sections of tubes and steel plates.

Boilermaking, welding, and fitting tubes can be a full-time year round project at powerplants- since stress fractures, leaks, and rust and corrosion cause a continual need for repair or replacement, and power plants often operate at very high steam pressures. Other boilermakers might work seasonally or on an individual project such as re-fitting a boiler in a seagoing vessel, or in the one-time remodeling of a steam plant.

The following theoretical and practical components are covered in the course.
  • Safety
  • Hand tools
  • Power tools
  • Grinder
  • Cutting torch
  • Identifying of Materials
  • Engineering drawings
  • Shield metal arc welding
  • Calculations
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