Thickness Range for Repair welding Procedure.

[Madhu]

Dear All,

Kindly Share knowledge as details below..


I have Done Repair PQR as per ASME & DEP- SHELL DEP 31 38 01
31, Except Root opening on 12" Superduplex materil X

thickness-17.48mm.Total Deep Excavation is -13.48 mm Except Root
opening (04mm).

As per ASME Sec-IX - QW-202.3 Weld Repair and Buildup. WPS qualified
on groove welds shall be applicable for weld repairs to
groove and fillet welds.
As per DEP31 38 01 31-2.4.2 Welding of duplex stainless steel-The
quality of duplex stainless steel welds very much depends on heat-
input control. The-
3. Repair weld procedures for half wall thickness and cap repairs also
require a PQR.

Now My Query is How much thickness will Qualify In Repair WPS?

Kindly send me some Reference or Details as mention above.


Thanks & Regards

Madhusudan Rout.

[Kavin Murugam]

KINDLY FIND THE ATTCHED SKETCH FOR BETTER UNDERSTANDING.

CORRECT ME IF I'M WRONG.....

 

Kavin Murugam

0126159644

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[Kavin Murugam]

RE-SEND WITH EXAMPLE OF WELD RECORD FOR REPAIR PQR

 

Kavin Murugam

0126159644

[Madhusudan Rout]

Thanks For Information,

           But As per DEP standard - Only Partial & Cap Repair procedure required , There is no require for root opening.

           Can u send me the any code which will help me regarding Material thickness range Qualifying in WPS  as I mention  previous Discussion.

Thanks..

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[Declan Foley]

Hi guys,

looking to do a procedure on a pipeline (32" OD x 18mm wt)for bug mig (solid wire) welding using narrow gap technique, anyone got an examples which might be helpful

regards

Declan