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LONGITUDINAL WELDED SEAMS OF THE SHELLS, CISTERN, PIPE

MEASURABLE PARAMETERS AND DEFECTS 

Preliminary inspection 


Inspection during assembly 

● Welding edge misalignment
● Edge trimming
● Root gap

Inspection during the welding process

● Welding edge misalignment
● Incomplete filling, crater depth

● Edge trimming

Inspection of finished welds 

● Welding edge misalignment
● Reinforcement height
● Reinforcement width
● Edge trimming
● Depth of penetration between the sealing run
● Incomplete Filling
● corrosion of surface layers
● smoothness transition
● height/depth of an undercut
● crater depth