Re: [MW:18806] Welding 36'' X 24'' Split tee(A 234 Gr WPB) on 16mm thick pipeline(API 5LX-65) carrying gas

Dear philip,

1. need to calculate the weld metal deposit

normally pipe wall thickness x2 times only you need deposit the fillet weld

2. main issue is heat input and inter pass temperature you need to maintain during welding

3. for gas line dont use the electrical resistance method try to use burners

4. prefer the vertical down method welding if it is 5G position.

Regards,

Srinivasan.M

From: Mohamed Elsahhar <mohamed.elsahhar2000@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sunday, 29 September 2013 3:42 AM
Subject: Re: [MW:18804] Welding 36'' X 24'' Split tee(A 234 Gr WPB) on 16mm thick pipeline(API 5LX-65) carrying gas

dear Friend
pls. clarify the nest point to help you

- please send me the picture of split tee to determine the fillet joint design
- the welding will done as a hot tap (pipe line in service) or just
weld the spit tee with pipe

QA/QC ENGINEER AT PETROMAINT /EGYPT

On 9/27/13, PHILIP <constructionmanager.eelgpii@gmail.com> wrote:
>
> Gents,
>
> We are currently faced with a challenge with regards to welding a 50mm thick
> split tee fitting on a 16mm gas pipeline, Could any one help me with past
> experience on this with regards to structural integrity of the weld and
> welding issues encountered.
>
> Best Regards
>
> Philip .T
>
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