2006•Electric Welding MachineRequires access
Situation and development tendency of pipeline underwater welding technology
Li Xiaona
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Abstract
Being affected by the water circumstance,the ways and equipments of pipeline welding are more difficult and complex under water than on land.The process of welding has less visibility,faster cooling velocity,higher hydrogenous rate,higher welding voltage and continuous welding task and so on.So the paper summarizes the latest technological progress of pipeline underwater welding and points out its development tendency in the future.