Common problems in steel plate welding

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The quality defects in the steel plate welding project mainly include the following aspects: defects that can be seen by the naked eye or low magnification magnifying glass and located on the surface of the weld, such as undercut (biting), weld bead, crater, surface stomata, Slag inclusions, surface cracks, unreasonable weld positions, etc. are called external defects and must be discovered by destructive tests or special non-destructive testing methods. Internal pores, slag inclusions, internal cracks, incomplete penetration, and unmelting are called Internal defects. However, it is common to not clean the welding slag and spatter after welding and the welding dies that are not cleaned.

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