Re: [MW:33354] Reg Flange Serration Damage

If it is a new flange rather than in service refer ASME SA350 & S50 OF SA961 for sections on repair

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On Wed, 3 Aug 2022 at 14:34, Prashant Rane

<pprane.rane1@gmail.com> wrote:

Flange serration repair is possible without weld repair if the final serrated face is 0.8 mm thick.

If welding need to be carried out it shall be as per ASME PCC2, 305, and PCC1 4, Appendix C and D

PWHT required if it is a service requirement.

Regards,

 

Prashant P Rane

On Wed, Aug 3, 2022 at 1:59 PM Sudhir Kumar <sudhir18092@gmail.com> wrote:

Flange serration in place is possible  without any welding (do not require PWHT). Need to hire contractor who is having specialised machine. 

As its not commonly used, service cost would me higher.

Regards 

On Wed, 3 Aug 2022, 12:33 srinivasa rao, <srinivaskona25@gmail.com> wrote:

Dear All,

We have found Damage on the Flange Serration A 350 LF2 CL1 standard , 300 #. 

Can we make the repair by weld buildup and Make new Serration . Also is it necessary to make any Heat Treatment after the serration ?

Pls advise.

Attached photo for reference. 

Srinivas

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