Re: [MW:33354] Reg Flange Serration Damage

Not required to attend damage 100%. Serration in place shall be done for the maximum possible extent and as long as holding pressure and no leakage, no issues.

Welding is not recommended for such a minor damage.

On Wed, 3 Aug 2022, 13:34 Shahil Saini, <sainishahil98@gmail.com> wrote:

Hello sir 

Without material build up at that damage place, how machining is possible??? It will reduce the dimensions I think

On Wed, Aug 3, 2022, 13:59 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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