Hi,
According to UG78,It can be repaired with the qualified and suitable WPS/Welder.Please find below the extraction of UG78.
UG-78 REPAIR OF DEFECTS IN MATERIALS
Defects in material may be repaired provided acceptance by the Inspector is first obtained for the method and extentof repairs. Defective material that cannot be satisfactorily repaired shall be rejected.
Thanks & Regards,
(Karthik)
Karthikeyan.S
QA/QC Manager
German-Thai Boiler Engineering Cooperation Limited.
Rayong Factory ;
379 Moo.6 Soi 8, Tambol Pananikom,
Nikompattana, Rayong 21180 THAILAND
Tel : +66 38 897 035-9 Ext. 137
Fax : +66 38 897 034
Hand Phone: 0066 892512282
From: jesti fer <jesti_fer@yahoo.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Sent: Monday, January 30, 2012 9:22 PM
Subject: [MW:13583] Pipe damaged during fabrication
Dear Experts,
I have problem in our site that, we found some fabricated pipes ( as per B31.3) the parent material thickness reduced by grinding (or due to any handling mark) more than 12.5% is not acceptable,
is there any possibility to build up (Buttering) the base metals. Where can I will get the reference
jestifer
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