PQR Qualification.

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r.vroom

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Aug 5, 2016, 10:27:58 PM8/5/16
to Materials & Welding
All,

Please advice me in the following.
ASME IX :2013
Weld coupon base material P8 (ASTM A240 TP 316) to P1 (S333 Gr. 6)
FCAW: Filler metal Bohler CN 23/12 Mo PW-FD (E309LMoT1-4)

Does this PQR qualify a weld joint P8 (ASTM A240 TP 304) to P8 (ASTM A240 TP 304)
by changing filler metal into E308LT1-1 for both F No. 6 and A No. 8

Follow Table QW 255 Ø P-number qualified article 403.11 -> article 424.1 I should say no, but am I right ????


Diameter and thickness are in range.

Thank you.

Lakshman Kumar. B

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Aug 6, 2016, 12:27:59 AM8/6/16
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Hi,

It will not qualify…

As F no & A No are not only the criteria for acceptance…

F&A grouping are majorly for welder / operator qualification and not to consider in PQR.

Need to go for a fresh PQR.

 

Thanks & Regards,

Lakshman Kumar B,

+91 9440031459.

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George Dilintas

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Aug 6, 2016, 6:11:24 AM8/6/16
to Meghanadh K
correct, you need a new PQR

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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis

George Dilintas

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Aug 6, 2016, 6:12:05 AM8/6/16
to Meghanadh K
I did not follow the topic since the beginning but it is completely wrong that "F&A grouping are majorly for welder / operator qualification and not to consider in PQR.|".
F & A No are Essential Variables for Procedure Qualification (check QW 404.4 & 404.5).
A no is not an essential variable for welders/operators qualification
The ranges of approval for  A no in the case of procedure qualification are much more stringent that in the case of welder qualification.
Please read the Code carefully 

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Kannayeram Gnanapandithan

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Aug 6, 2016, 9:20:18 AM8/6/16
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F&A nos not essential for welding operators


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dili...@gmail.com

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Aug 6, 2016, 10:40:58 PM8/6/16
to Kannayeram Gnanapandithan
Wrong F no is essential for performance qualification

Sent from my BlackBerry 10 smartphone.
From: Kannayeram Gnanapandithan
Sent: Σάββατο, 6 Αυγούστου 2016 - 16:20
To: materials-welding
Subject: Re: [MW:25207] RE: 25195] PQR Qualification.

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Kannayeram Gnanapandithan

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Aug 6, 2016, 11:19:15 PM8/6/16
to materials-welding

I have mentioned only welding operator to whom fno is not essential. Pl ref QW361.1&.2


On 07-Aug-2016 8:10 am, <dili...@gmail.com> wrote:
Wrong F no is essential for performance qualification

Sent from my BlackBerry 10 smartphone.
From: Kannayeram Gnanapandithan
Sent: Σάββατο, 6 Αυγούστου 2016 - 16:20
To: materials-welding

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raouf salhi

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Aug 8, 2016, 5:55:57 AM8/8/16
to material...@googlegroups.com
Dear r.vroom ;

P numebre is essential variable , you need a new PQR with P8 to P8 material.

Regards
 
SALHI Raouf
QA/QC Engineer

Tel: Morocco +212628979891
      Tunisia +21621458258


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