What Does a Pipe Welder Do?

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  • Written By: Dan Cavallari
  • Edited By: Bronwyn Harris
  • Last Modified Date: 28 January 2020
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A pipe welder is a professional who specializes in welding different types of pipes together in various settings and applications. The process of welding involves securing one metal piece to another using a device known as a welding machine, and this process requires significant skill and training. A pipe welder specializes in connecting various types of metal pipes, such as those found in plumbing applications, automotive applications, gas and heating, or other industrial applications. Although education requirements will vary based on the employer, minimum high school or technical/vocational school education and on the job training is usually required to be a welder.

Before the pipe welder can begin welding, he or she will need to be able to read a schematic or blueprint to lay out the structure to be created. This may involve hauling piping, which means the pipe welder will need to be in reasonably good shape, and it will also likely involve cutting pipes. The welder will use saws and other tools to cut or grind the pipes in preparation for welding. Once the pipes are laid out and prepared for welding, the welder will put on the appropriate safety equipment, which includes fireproof welding gloves and a specially designed mask that will protect the face and eyes from the sparks created by the welding process.


In order to become a pipe welder, a candidate must first complete coursework that teaches the basic concepts behind welding. Once this coursework is complete, the candidate can take part in an apprenticeship program offered by a welder's union or by a private company. During this apprenticeship period, which can last anywhere from one to five years, the apprentice will work with a more experienced pipe welder who will teach him or her the skills necessary to complete the job effectively. The apprentice will have plenty of opportunities to practice the craft during the apprenticeship.

The welder will also likely need to install other controls or accessories into piping systems. Some pipe welders will have related experience or knowledge pertaining to hydraulic systems, plumbing, electrical applications, and so on, though this is not always necessary. Generally, the pipe welder must have specific knowledge and experience relating to welding and the process of preparing pipes for welding. He or she may be responsible for troubleshooting a piping system and making a diagnosis, as well as repairing the system once a problem is found.


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I learned pipe welding from the best union and ex union pipe welders and fitters in the field. The information I need are the exact requirements to preform 1g - 6g tests for each certification. Help, please.

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