What is POST Weld Heat Treatment,

#PWHT
This video is to give you the fundamental knowledge of PWHT. Why, when, How to do it? Where is required? What we must follow? What we should not do during PWHT? Basically PWHT of the weld to relieve the residual stresses developed during welding. Residual stress contributes to the early failure of a welded part - so we must remove it for especially thicker Carbon steel welded components. Please go through the full video to clear your queries.
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