Re: [MW:16803] WPS preparation of 48" API 5L x46 pipe.

Mr. JD,

E 6010 2.50 mm is  suitable up to 6 or at times to 8 mm thick.if used in Vertical down (stove pipe technique) position.

Your proposal to use 3. 2 mm size is absolutely in line with welding  a thickness of 12.70mm  in
Vertical-down or Vert. up positions. It will help to get required weld fusion and penetration.

May be the client is under the impression that, 2.50 mm size may do the work.

Convenience your client  or check both electrode sizes by welding a mock up plate if required.

Sridhar.

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From: joydev dalai <joykolkata07@gmail.com>
To: materials-welding@googlegroups.com
Sent: Monday, 18 February 2013 6:34 PM
Subject: Re: [MW:16800] WPS preparation of 48" API 5L x46 pipe.

Dear BR,

 

U r right our client insist to use 2.5 electrode , but we are poposed for 3.2 mm dia. as per asme dia of electrode is non essential. My question is that if we used 3.2 mm dia electrod, is there any problem? 

On Mon, Feb 18, 2013 at 4:55 PM, Hamed <hamkan309090@gmail.com> wrote:

Dear Sir

I think your  client insist to use 2.5 electrode because of complete penetration and fusion not because of the WPS restriction , correct ?

BR

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Binoy Soman
Sent: Sunday, February 17, 2013 10:33 AM
To: materials-welding@googlegroups.com
Subject: RE: [MW:16793] WPS preparation of 48" API 5L x46 pipe.

 

Dear,

 

According to QW-404.6, change in diameter of electrode is a non-essential variable(If there is impact test, change in dia greater than 6 mm is supplementary essential according to 404.7).

If no impact test is required, then you can just revise your WPS as per 200.1 (c ).

 

 

 

Thanks & Regards,

      TEAM QA/QC- SHOAIBA II CCPP

       S.Binoy, Welding Engineer  

     DAELIM Saudi Arabia Co. Ltd.

     Email- binoy.spp@daelim.co.kr

       Mob: 0592633853 / 0508308633

                   

                       "Let Us Believe in TEAM Work (Together   E veryone   Achieves  More)"

 

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of joydev dalai
Sent: Sunday, February 17, 2013 7:29 AM
To: materials-welding@googlegroups.com
Subject: [MW:16785] WPS preparation of 48" API 5L x46 pipe.

 

Dear all,

 

I have problem for preparation of WPS for 48" API 5L X 46,12.7mm wt. pipe, the WPS criteria meet as per ASME. We are suggest for E6010-3.2 mm dia electrode for Root pass, but our client can't accept for it.

 

They have suggest for E6010 - 2.5mm dia electrode.

 

so please suggest me

 

joydev dalai

Sr. Engg(QA/QC)

Fernas construction india Ltd.

 

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