Fellows
take care about the definition of nominal thickness for PWHT in UW-40(f) in section VIII-1.
Some welds on a vessel may require PWHT and some others no depending on the local thickness
Dr. G. Dilintas - Authorized Inspector Supervisor
I&F Regional Technical Manager
Bureau Veritas Piraeus - Greece
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
Bhavesh Patel <bhaveshpatel.me@gmail.com>
Sent by: materials-welding@googlegroups.com 07/07/2010 13:03
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Dear Pravin,
As you clarify in your earlier mail that PWHT is not required for vessel (Pressure Part) then there is no need of any PWHT for pad welding though its a non pressure part.
Regards,
Bhavesh Patel
Welding Engg.
ISGEC, Dahej,
Gujarat, INDIA
On Wed, Jul 7, 2010 at 1:02 PM, Praveen Kumar <praveenkumar.sek@gmail.com> wrote:
- Dear Mr.Karthik,
Thanks for your explanation.
This is a saddle pad and it's POST WELD HEAT TREATMENT is required or not for this vessel as per Std.
Pad MOC - SA 516 Gr.60 (10 mm thkX150 wideX555 long)
pls.advise me the above "PWHT" aspects.
Thanks & Regards,
Praveen Kumar
On Wed, Jul 7, 2010 at 7:59 AM, Karthik <karthik6684@yahoo.com> wrote:
| Hi, The Contractor is right,Normally Pneumatic test will be done of Re-Inforcement Pad of Nozzles only.In your case this is just a pad plate to avoid shell material directly welded to another kind of material.No need to do Pneumatic test on this.
Thanks & Regards,
(karthik)
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Regards,
Praveen Kumar
Mechanical Engineer
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