Re: [MW:28585] Why Using external clamp and internal clamp is essential variable in API-1104.

it is a QA choice.

in pipelines, you repeat the same WPS parameters over and over again. So it is a reasonable choice to exactly duplicate all parameters during welding procedure qualification as much as practical. It does differ from piping. 

Ramin  Kondori

Sr. QA/QC & Welding Engineer

-----------------------------------------------------------

PG-Dip. in Welding Engineering (IWE  AT  0070)

BSc. in Civil Engineering (IUT)

BGAS Painting Inspector

ASNT Level I&II

                        

On Fri, Nov 2, 2018 at 8:33 AM S.Mohammed <mohd52100@gmail.com> wrote:

Why Using external clamp and internal clamp is essential variable in API-1104?

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• [MW:28533] Branch PWHT - Control Thickness - 1 Update
• [MW:28467] Re: Query About WPS - 2 Updates
• [MW:28533] Fw: Fw: Back Purging for fillet welds - 1 Update

[MW:28533] Branch PWHT - Control Thickness

Hareesh K V <hareesh13h@gmail.com>: Nov 01 02:05PM +0530 In (2)also the branch joint with mother pipe is a pressure joint and the pad is a non pressure part. So can the joint between mother and branch pipe be considered for PWHT thickness?   Is there any interpretations available.   Regards,   Hareesh K V 8547859202

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[MW:28467] Re: Query About WPS

Hasin Shaikh <hasin.shaikh@gmail.com>: Nov 01 08:28AM +0200 Thanks   Is it ok if we use in backing first Run with SMAW AND further subsequent Saw weld?   Can you provide me any clause of sec-9 acceptance or non acceptance. Regards   On Mon, 22 Oct 2018 at 8:32 AM, sandeep kumar <sandeepdhiman63@gmail.com> wrote:     -- Hasin Shaikh +91-9924562942

Kannayeram Gnanapandithan <kgpandithan@gmail.com>: Nov 01 12:32PM +0530 2layer, better minimum 6mm smaw THANKS & BEST REGARDS, KG.PANDITHAN, BE, IWE, CSWIP 3.1, ASNT-Level II in PT,MT,RT & UT. International Welding Engineer. CONSULTANT-WELDING & QUALITY Mobile no: +919940739349

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[MW:28533] Fw: Fw: Back Purging for fillet welds

Kannayeram Gnanapandithan <kgpandithan@gmail.com>: Nov 01 10:43AM +0530 not require for fillet weld. THANKS & BEST REGARDS, KG.PANDITHAN, BE, IWE, CSWIP 3.1, ASNT-Level II in PT,MT,RT & UT. International Welding Engineer. CONSULTANT-WELDING & QUALITY Mobile no: +919940739349     On Thu, Nov 1, 2018 at 9:24 AM muneebslsa@gmail.com <muneebslsa@gmail.com> wrote:

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