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Keywords: lack of fusion
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Proceedings Papers

Metallurgical Analysis of Hydrotested 20-Inch Natural Gas Pipeline

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Sudhakar Mahajanam, Efrain Garcia, Ken Riggs
... that the defect was due to incomplete fusion at the long seam weld during the ERW welding process. Metallurgical analysis hydrostatic testing pipeline welding defects lack of fusion ERW weld INTRODUCTION Hydrotesting and the resulting corrosion (MIC) problems have been well documented in the past, leading...
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Proceedings Papers

An End-User’S Failure Analysis of a Dual Laminate Steam Stripping Column

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Hardin T. Wells
... significant deficiency is that there is a pronounced lack of fusion on the root side or process side of the weld, along with no evidence of proper beveling of the adjoining lining components. The lack of fusion in some portions of the butt weld seam in N1 was found to be approaching 75% of the depth...
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