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Re: [MW:25807] Longitudinal Weld overlay

By Materials & Welding
Hi!
Generally petrochemical Ind spec
Allows logngitudinal overlay in pipe smaller than 50mm ID

 However
I)For pipe ID overlay in longitudinal way causes more distortion compared to circumferential O/lay
ii)Longitdinal O/L =difficult to maintain uniform ID after overlay hence some time recommended  to machine the ID to  achieve uniform overlay thk in pipe
Regards
Hegde


On Thursday, 8 December 2016 5:17 PM, ABHISHEK SINGH <mech.abhi17@gmail.com> wrote:


Dear experts,
      Anyone know why some of the client not allowed for overlay in longitudinal direction in nozzle I. D, PIPE I.D,Elbow I.D. Is there are any technical reason??

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