NDE REQUIREMENT FOR P11 MATERIALS AFTER PWHT

[V.kishore raju]

Dear all

can i perform NDE inspection like RT,HT,MT,PMI before 48hrs from the pwht time for P11 materials,is there is any specific code regarding this matter.

kindly conform me.

thank you.

[Ajay Gupta]

That will not be any problem, please ensure NDT shall be carried out after 48 Hrs of PWHT not immediately after heat treatment.

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[Kannayeram Gnanapandithan]

REF ASME B31.1,  136.4, No time limit but for materials like P3,4,5 etc, NDE is to be done after PWHT only unless otherwise specified

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Aug 25, 2022 at 2:02 PM V.kishore raju <vkishor...@gmail.com> wrote:

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[Ganesh Rao]

As my experience after 24hrs once done PWHT can be processed to all kind of NDT

Thanks & Regards

Thermoheat 

Heat treatment 

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