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Efficient Welding Technologies Applicable to HSS Arctic Offshore Structures

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The Arctic contains about 22% of the world's untapped oil and gas reserves. The facilities required for exploration of these resources are now being constructed with high strength steels (HSS) and are predominantly joined together by welding technologies. Consequently, there is a need to develop advanced and efficient welding technologies that ensure good weldability and good low-temperature toughness at the HAZ and the weld joints. This paper explores and presents an overview of efficient welding technologies applicable to the construction of HSS Arctic offshore structures. For each selected welding process considered, welding parameter modifications are suggested to ensure weldments are produced with desired qualities and properties, and at a high productivity rate.
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