Re: [MW:25613] Comparison for FCAW & GMAW

Dear Lakshman,

Good morning, as told by Pradip sir it's has to be root weld by GMAW-STT, followed by  SAW -Machine Welding column and boom with roller bed both in site or shop.

Since 3meter OD little bit difficult with Mechanisation process, and I have practical experience with Magna tech and lone star machine up to 48 inch only.

I don't see any external band for 3meter OD.

Even in machine welding in order to increase productivity you can choose Twin wire SAW process.

Further any clarification let me know to clarify.

P.NEILASHKUMAR 

Sent from my iPad

MOB : 966 551094590

             +91 9952110791

On 27-Oct-2016, at 6:40 AM, pgoswami <pgoswami@quickclic.net> wrote:

Hi Lakhsman,

 

Both the processes are popular choices for pipeline welding. Mechanization  is the key. In general controlled surface transfer process e.g. STT or RMD are very conveniently used for long pipeline welding projects to cut down the production time and defect rates.

 

The attached documents provide some insights to such projects. Use the info at your discretion.

 

Thanks.

 

 

 

Pradip Goswami, P.Eng,IWE
 Welding & Metallurgical Engineering Specialist ,

ca.linkedin.com/pub/pradip-goswami/5/985/299

pgoswami@quickclic.net

pradip.goswami@gmail.com

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Lakshman Kumar. B
Sent: Wednesday, October 26, 2016 2:26 PM
To: materials-welding@googlegroups.com
Subject: RE: [MW:25609] Comparison for FCAW & GMAW

 

Hi Mr. Neilash Kumar,

 

It is 120 Inch (3000Mm Dia) with 20 mm thick for a water transmission project.

 

Thanks & Regards,

Lakshman Kumar B,

+91 9440031459.

 

From: 'Neilashkumar' via Materials & Welding [mailto:materials-welding@googlegroups.com]
Sent: Wednesday, October 26, 2016 4:26 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:25605] Comparison for FCAW & GMAW

 

Dear Lakshman,

 

Can you please tell us the size of the pipe and thickness in order to choose the suitable weld process? It's like need to be automated in terms of orbital type.

 

I will be able to give more input on hearing the above queries .

P.NEILASHKUMAR 

Sent from my iPad

MOB : 966 551094590

             +91 9952110791

On 26-Oct-2016, at 7:26 AM, Lakshman Kumar. B <lakshmankumar4@gmail.com> wrote:

Hi friends,

 

We have a big pipe line job in water segment.

We are planning to implement FCAW or GMAW technique to expedite the welding activity…

Please suggest me that which technique is most favorable for IS2062 material (equivalent to Pno 1) at site for 5G or 6G position…..

Your detail explanation will be more helpful on selecting the process….

Also in terms of cost – which will be economical for the project ….

 

Thanks & Regards,

Lakshman Kumar B,

Project Manager.

 

Navayuga Engineering Company LTD

Corp Off: Plot no 379, Road No 10,

Jubileehills, Hyderabad.500033 India.

Tel -  +91 -40-2333 9990/91/92 – Ext 398

Fax: +91-40-2333 7789

Mob - +91 9440031459.

Email –lakshmankumarb@navayuga.com

http://www.necltd.com/

<image001.jpg>

 

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<Mechanized-Pipeline-Welding-Magnatec.pdf>