Underwater welding is the process of using an energy source that produces lots of heat to melt together large pieces of metal while diving underwater. There are many great underwater welding schools that can provide this training. You can find these listed from the American Welding Society.
how much does it cost to learn how to weld underwater
steel
http://www.studydiscussion.com/best-underwater-welding-schools/ Should answer all the question you may have. If not, then sorry I misunderstood the question.
sub-mersible welding machine using reverse polaity. miller welding company as well as Lincoln specialize and sell welding equipment. for more info contact the Ocean Corp in Houston tx.
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Where it was developed I am not sure, however I know that it uses a special kind of arc welding.
If you are looking for a class where you can learn underwater welding then you can do this through a company called Interdive Services. This is a three week course resulting in a professional qualification.
BYU Brigham Young University
Underwater welding jobs have extremely tough technical requirements. For that reason, this job pays more than a job as a power lineman.
because when you strike an arc underwater, the light attracts sharks, and then they eat you.
Underwater welding uses a special flux around the welding rod which produces gasses which form a bubble around the end of the rod ,excluding the water. It is difficult and never as strong, lacking penetration. It is only used when absolutly necessary.