Grinding of weld joints after PWHT

[Vikas Sahu]

Dear sir,

              Please give reference /code/standard/writeup for Grinding (upto what extent) permitted or not after PWHT of Weld Joints of piping.

Regards

Vikas sahu

[Ali Al-Zawamri]

Dear,

Grinding afte PWHT may create or hardning the weld joint.  So it is better to do before PWHT.
waiting for the team input.

Thanks,

--
To post to this group, send email to material...@googlegroups.com
To unsubscribe from this group, send email to materials-weld...@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
http://www.linkedin.com/groups/MaterialsWelding-122787?home=&gid=122787&trk=anet_ug_hm
 
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
---
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.
For more options, visit https://groups.google.com/d/optout.

[Lakshman]

PWHT is the last activity, and after weldingworks completion, hence no meaning doing grinding after PWHT.

Lakshman kumar.B
Project manager.
9440031459

---

From: Ali Al-Zawamri
Sent: ‎26-‎12-‎2014 20:24
To: material...@googlegroups.com
Subject: Re: [MW:22647] Grinding of weld joints after PWHT

[Umar Makrani]

I think no. My belief is reinforced by sometimes we replace the pwht with temperbead in which we grind the half bead. Expect views from other experts. 

 

 

Thanks & Regards

 

Firoz Ahmed R. Makrani, PMP®

Sr. Inspection Engineer

[gprak...@gmail.com]

Grinding does not affect material after pwht as temp are too low. Grinding is done for removing thermo couples all the time. Even temporary supports are cut and ground after pwht.

Rgds
Prakash. G.
Independent Consultant. ASME/ISO

From: Umar Makrani Sent: Saturday, 27 December 2014 07:58 To: material...@googlegroups.com Reply To: material...@googlegroups.com Subject: Re: [MW:22651] Grinding of weld joints after PWHT

[Gil Loyola]

No problem. You can grind portion where you get your hardness test . If you want to grind all around or removing the reinforcement, control the heat produce by grinding. Next time, do it before pwht. Sent from Yahoo Mail for iPad