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Welcomes to Poppy's to the steam forum and power forum for all your steam boiler room questions and if you do not have steam boilers...that is okay

    • help,please,welding questions - Wednesday, July 28, 2010 - john [1070] 1 Stars
      asme code,nbic, welding questions.What are locked up stresses in a weld?examples.What causes them..How can a blister be repaired on a boiler plate?


      • Re: help,please,welding questions - Thursday, July 29, 2010 - N.Ramani [965] 1 Stars
        Locked up stresses are stresses generated due to welding of dissimilar materials having different structures whose behaviour in melting and cooling are different. Aso these are developed if the weld is cooled to fast, specially when the thickness is high.This creats differential thermal contraction and hence stresses.


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