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RE: [MW:5208] WPS thickness limits with PWHT

By Materials & Welding
Please don't reply to an existing thread while posting new query and use appropriate subject line, members are requested to follow, as many queries are deleted during moderation.
 
regarding your query, Yes max thickness qualified is restricted to 1.1T where PWHT exceeding upper transformation temp for ferrous metals, except P7,8 and 45, refer QW 407.4

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Subrata Das
Sent: Friday, May 21, 2010 11:29 AM
To: materials-welding@googlegroups.com
Subject: RE: [MW:5206] NDT after PWHT

Dear all

Is there any limitation of thickness criteria as per Sec. IX whether WPS qualified in PWHT or Normalizing /Annealing.

 

 

Thank you with best regards!

 

Subrata Das
P.K. Tubes & Fittings Pvt. Ltd.
A458 Chopanki Industrial Area
Distt:- Alwar , Bhiwadi ( Rajasthan ) India
01493-516620,516608 Fax:- 01493-516618

Mob:- +91-9828160168

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Arunachalam A
Sent: Friday, May 21, 2010 10:56 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:5205] NDT after PWHT

 

I think UHA-33 require RT examination after PWHT. No other ASME paragraphs specify the RT after PWHT.

arun

 

On Fri, May 21, 2010 at 8:34 AM, GOPU NAIR <gopunair5343@yahoo.com> wrote:

ASME SEC. VIII DIV. 1 does not ask for RT of weld joints after PWHT. Please check your customer specification which may require the joints to be radographed after PWHT.

 

Gopu Nair

--- On Thu, 20/5/10, Luis Albanes <ing_albanes@yahoo.com.mx> wrote:


From: Luis Albanes <ing_albanes@yahoo.com.mx>


Subject: [MW:5198] NDT after PWHT
To: materials-welding@googlegroups.com

Date: Thursday, 20 May, 2010, 7:00 PM

 

Dear friends

We just finished PWHT in an LPG sphere acording to ASME VIII section I, and I can´t find in the code the part that obligues to Xray after this treatment, any one has experience with this? where does ASME VIII say it has to be done?

Thank you

Luis Albanés


 

 


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