stainless steel flange face damage

[Rameez khan RK]

Dear Experts

i am found in my site 4 inch stainless steel (SS) flange face damage ( serration ) almost 5mm. what the process to rectify that and acceptance criteria. can anybody tell me.

regard

Rameez

[Mac Palola]

Rameez,

Look at ASME B16.5 flange face sections carefully.

Depth of allowable defects, especially axial ones are very small.

Normally you need to weld repair overlay and then re-mill to get the face acceptable.


Regards

Mac

[Dinesh Somwanshi]

Machining tolerance to added under such cases, refacing to be done.

Thanks & Regards

DINESH VITTHAL SOMWANSHI

BACHELOR IN MECHANICAL ENGINEER

AUTHORIZED PIPING / WELDING / NDT / PAINTING INSPECTION PERSONNEL
API 570 - Piping Inspector, AWS - CWI , CSWIP 3.1*,*BGAS  Gr 2 / 3
NDT II -UT , RT , MT , PT, VT
00919881344135
Skype = dinesh570_1

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