Clarification regarding pwht

[Uma sankar Sankar]

Dear experts.

                         ASTM A335 P91,Joint welding completed,Rt done ,third party NDT RTFI result RT pass,as per ITP PWHT should be done with in 24 hrs of welding completion,so PWHT done,but Aramco Oid dis agreed with third party Result, result given as repair, Repair done,can we perform PWHT ?if  we do stress release again,is there any specific standard?

[Perumal Govindan]

Hi

Please refer the WPS used for repair welding and there you can find the PWHT details.

Kind Regards 

Govindan Perumal 

On Mon, Nov 14, 2022, 08:21 Uma sankar Sankar <umasan...@gmail.com> wrote:

Dear experts.

                         ASTM A335 P91,Joint welding completed,Rt done ,third party NDT RTFI result RT pass,as per ITP PWHT should be done with in 24 hrs of welding completion,so PWHT done,but Aramco Oid dis agreed with third party Result, result given as repair, Repair done,can we perform PWHT ?if  we do stress release again,is there any specific standard?

--
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
---
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-weld...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CAO8WSnEtfDTjU8Vn%3DdkwksojzKzODCdgSJ3NiN3VFvPZUwQvxw%40mail.gmail.com.

[Vishwas Keskar]

What is Holding time in  your qualified PQR ?

Thanks 

Vishwas- IWE

International Welding Engineer

Head - Welding Technology 

On Mon, Nov 14, 2022 at 8:51 AM Uma sankar Sankar <umasan...@gmail.com> wrote:

Dear experts.

                         ASTM A335 P91,Joint welding completed,Rt done ,third party NDT RTFI result RT pass,as per ITP PWHT should be done with in 24 hrs of welding completion,so PWHT done,but Aramco Oid dis agreed with third party Result, result given as repair, Repair done,can we perform PWHT ?if  we do stress release again,is there any specific standard?

--

[Jenish Mistry]

Dear sir ,

As my understanding Material will go for Second time PWHT due to repair , In this case please check Simulation Cycle of Raw Material for How many time you can perform PWHT .

On Mon, Nov 14, 2022 at 8:51 AM Uma sankar Sankar <umasan...@gmail.com> wrote:

Dear experts.

                         ASTM A335 P91,Joint welding completed,Rt done ,third party NDT RTFI result RT pass,as per ITP PWHT should be done with in 24 hrs of welding completion,so PWHT done,but Aramco Oid dis agreed with third party Result, result given as repair, Repair done,can we perform PWHT ?if  we do stress release again,is there any specific standard?

--

[Kannayeram Gnanapandithan]

u should have simulated ur pqr soaking time cycle by envisaging the no of time of repairs. lot of arcticle available for effect on more number of cycle. google i

On Mon, Nov 14, 2022, 8:51 AM Uma sankar Sankar <umasan...@gmail.com> wrote:

Dear experts.

                         ASTM A335 P91,Joint welding completed,Rt done ,third party NDT RTFI result RT pass,as per ITP PWHT should be done with in 24 hrs of welding completion,so PWHT done,but Aramco Oid dis agreed with third party Result, result given as repair, Repair done,can we perform PWHT ?if  we do stress release again,is there any specific standard?

--