Tuesday, May 4, 2010

Re: [MW:5043] Pipe or Plate PQR ?

Dear
I have one observation. The position of welding is also important. If it is a 5 g position actual welding , will you be able to use plate for process qualification.
With Regards
Arijoy Roy
--- On Tue, 4/5/10, Karthik <karthik6684@yahoo.com> wrote:

From: Karthik <karthik6684@yahoo.com>
Subject: Re: [MW:5039] Pipe or Plate PQR ?
To: materials-welding@googlegroups.com
Date: Tuesday, 4 May, 2010, 9:58 AM

Hi,
PQR you can use either plate or pipe..it doesn't matter...pls.rfer to QW-451 for PQR qualification limits...PQR is for P number,Welding Process,thickness .filler metal ,process...etc...its better to do the PQR with Plate for easy for welders and Procedure qualifications...Pipe diameter limits mentioned in the Section-IX only for welder's qualifications.You can use the PQR with Plate for Pipe also..When you qualify the welders for pipe  you can use the same PQR of plate with the Thickness limits and all other essential variables mentioned in QW-250 to QW-265 according to the process you are using for PQR.
If u have any doubts feel free to ask..
 
Thanks & Regards,
 
(Karthik)

Karthikeyan.S
 
Getabec Energy Co.,Ltd.
379,Moo6,Soi8,Nikhomphatana,
Rayong-21180,
Thailand.
Phone: 0066 38 897035-8 (Off)
Fax: 0066 38 897034
Hand Phone: 0066 892512282


--- On Tue, 5/4/10, Rayan Mavad Jonoob Co. <rmjiran@gmail.com> wrote:

From: Rayan Mavad Jonoob Co. <rmjiran@gmail.com>
Subject: [MW:5037] Pipe or Plate PQR ?
To: "Materials & Welding" <materials-welding@googlegroups.com>
Date: Tuesday, May 4, 2010, 10:33 AM

Hi dear all
Please somebody tell me if I can use a plate PQR for qualification a
pipe WPS according to ASME Sec. IX?
I could not find any thing about that in ASME code. If it's possible
then why there is pipe diameter limit in PQRs?
Please refer to ASME paragraph.

Thanks

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