Re: [MW:13801] Clarification of PQR/WPS in FCAW process

Dear Arvinda:

Please find my answers below

1. In FCAW proces PQR , Electrode AWS no. E71-T-1C is used. But in
WPS, E71-T-1 is mentioned. Whether its ok?
It is OK.
-------------------------------------------
2. PQR in FCAW qualifies 3G position of 27mm plates as per ASME SEc.IX
and API-650. What is qualification of position in WPS for 3G whether
its ALL POSITION or only 3G postion?
As a general rule, if the deposited weld in a given position is
defect-free, that position should be qualified with same PQR. The
reason why codes restrict position for qualification is that it may be
impractical to produce an acceptable weld deposit with that specific
WPS in other position(s).
---------------------------------------------
3. The WPS is to be used for structural activies. ie. as per AWS D1.1
But in WPS also mentioned reference code as ASME sec.IX and AWS D1.1.
No problem, just revise your WPS mentioning AWS D1.1 as reference code.

Regards
Ramin Kondori
QA/QC Manager
IRAN-LNG project
IWE AT 0070

On 7/13/11, arvinda shan <arvindashan@gmail.com> wrote:
> Dear Experts,
>
> I need some clarification in document review. PQR qualified in FCAW process
> for 27 mm plate in 3G position. WPS is prepared for structural joint for 34
> mm in all positions.What is the essential one?
>
>
> 1. In FCAW proces PQR , Electrode AWS no. E71-T-1C is used. But in WPS
> E71-T-1 is mentioned. Whether its ok?
> 2. PQR in FCAW qualifies 3G position of 27mm plates as per ASME SEc.IX
> and API-650. What is qualification of position in WPS for 3G whether its
> ALL
> POSITION or only 3G postion?
> 3. The WPS is to be used for structural activies. ie. as per AWS D1.1.
> But in WPS also mentioned reference code as ASME sec.IX and AWS D1.1.
>
> Plz clarify.
>
> Thanks
>
> Arvinda.
>
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Ramin Kondori
* QC/Welding Engineer *
* IWE AT 0070*

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*Regards*

*Ramin Kondori*

QA/QC Manager

IRAN-LNG Preoject

NARDIS ENERGY CO.

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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.