Saturday, December 27, 2014

Re: [MW:22655] Grinding of weld joints after PWHT

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.

At Dec 27, 2014, 1:26:05 AM, Umar Makrani<'firoz.makrani@gmail.com'> wrote:
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

Description: safety_head_600X90_velosi its comingOn 26 Dec 2014, at 13:03, Ali Al-Zawamri <alzawamri@gmail.com> wrote:


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,


On 26 Dec 2014 10:50, "Vikas Sahu" <viksahu@gmail.com> wrote:
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




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