Re: [MW:22727] Thin material welding

Welding done with seam welding process  and found lack of fusion ,visual is rejected. Now the client is insist us too do repair welding and the joint should be full penetration weld according to ASME B31.3 seam welding.

Since it is 3mm thick material we need to do high travel speed welding , can we use GMAW -STT  process?

P.NEILASHKUMAR 

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On Jan 14, 2015, at 9:07 PM, 'c sridhar' via Materials & Welding <materials-welding@googlegroups.com> wrote:

In principle Possible. U can use pulsed TIG welding process with  same type

filler wire and  a lower size.

But u have not mentioned the type of defect in the weld for better guidance.

 

C Sridhar.

Please don't print this e-mail unless you really need to. Save the environment.

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From: 'Neilashkumar' via Materials & Welding <materials-welding@googlegroups.com>
To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Sent: Tuesday, 13 January 2015 11:44 PM
Subject: [MW:22721] Thin material welding

  Dear all,

We have a project for Seam Welding repairing work of Stainless steel

round duct piping for rubber finish building,details are as follows,

Total repairing welding length-500-550meter

Pipe material.    --EFW304/304LSS A240

Pipe thickness --below 3mm

Pipe size --0.75" -20"dia

Can you please tell me whether it is possible to do repair welding ? Method

to do repair weld.

P.NEILASHKUMAR

Sent from my iPad

MOB : 966 533098265

           91+9952110791

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