Monday, October 21, 2013

Re: [MW:19012] Combination of two welding process with diffrent PQR

Hi Mervin ,

Yes you can combine these 2 Processes, provided you have to fulfil ASME-IX, QW 200.4 (b) requirements .

In your case , if you want to use SMAW on root side, the SMAW 's PQR basemetal thk should be Min. 13 mm and you should have used SMAW until full thickness of basemetal .

Also ensure you can access inside for back gouging or grinding to remove slags after you weld SMAW on root side in Ur production joint.

What is Ur actual plan, where R U going to use this combination process, what basemetal thk. Is any Pipe involved in Ur query ?

Provide all the details, if possible .

Cheers,
Saravanan,
Korea



On Mon, Oct 21, 2013 at 1:03 AM, hany alfy <hanyon_alfy@yahoo.com> wrote:

yes it can be
most of time use Smaw for root then can apply Saw or Fcaw
Regards,
HA

Sent from Yahoo Mail on Android



From: Mervin <mervin_kid@yahoo.com>;
To: <materials-welding@googlegroups.com>;
Subject: [MW:19000] Combination of two welding process with diffrent PQR
Sent: Sun, Oct 20, 2013 2:42:12 AM

Hi to all,

Can you give me a suggestion if the two welding process can be combined or can be used in production  joint without PQR of this two  welding process.

* we have a qualified wps for smaw
And we have a wps qualified for saw may question is can we use this two wps.

Thanks

Mervin






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