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The fillet weld at the mounting connection of the level gauge is not fully welded

2021-01-13View Original

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There is lack of weld penetration at the root of the corner weld of the mounting fitting for the level gauge; the material used is 316L. Is this situation acceptable?
Reply #22021-01-13
Can’t tell from the picture if there’s incomplete welding? Did the original poster use non-destructive testing to determine lack of weld penetration?
Reply #32021-01-13
Medium, pressure? What about the temperature? In some cases, it is not necessary to achieve full penetration; this is specified in the relevant standards
Reply #42021-01-13
Have all the small connectors been X-rayed? Is it the medium that’s special?
Reply #52021-01-13
The scope defined for pressure vessels does not include the level gauge connections, right?
Reply #62021-01-13
The owners carried out the random draw on site; I don’t understand their thinking.
Reply #72021-01-13
The wall thickness of the level gauge cylinder is approximately 3-5 MM, and it is welded to the side tube; it is indeed possible that the weld is not complete. Encountered this: the device nozzles were not aligned, and excessive tightening of the bolts during the installation of the level gauge caused the welds to crack. Considering the load-bearing capacity, we require welding reinforcing clamps to the cylinder, and then welding the branch pipes, which is more reliable.
Reply #82021-01-14
Compare it with the full penetration requirement for gap welds as specified in Code for Fixed Pressure Vessels 3.2.2.2.
Reply #92021-01-15
It would be fine if you could take a photo of this fillet weld

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