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  1. fattema

    what is main cause of such crack?

    After only 3 moths in service Crack was observed adjacent to HAZ of nozzle to shell fillet weld of new constructed Methanol Drum (vessel). Crack occurred on shell perpendicular to weld bead. There is no cyclic stress. Nozzle dia is 3” thickness 18mm Shell wall thickness 6mm Material Carbon...

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