Wednesday, November 16, 2011

Re: [MW:12999] Supplementary essential variable - Group number As per section IX

Dear Sir,
 
The last sentence of 403.5 states that In addition, when base metals of two different P nos. Groups nos. are qualified using a single test coupan, the the combination is also allowed.
 
But, two or more qualification records should be there to support the above sentence.
 
Please correct if I am wrong.

On Tue, Nov 15, 2011 at 11:35 PM, <george.dilintas@gr.bureauveritas.com> wrote:

The key lies on the last sentences of QW 403.5
So if you have a PQR with from one side Pno1 Gr. 1 and the other side Pno1 Gr. 2
then you can support WPS with following combinations, assuming all other essential and supplementary essential variables are in validity range:

Pno1-Grno1  to Pno1-Grno1
Pno1-Grno2 to Pno2-Grno2
Pno1-Grno1 to Pno2-Grno2

best regards

Dr. Georgios Dilintas


Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F Regional Technical Manager
Bureau Veritas Piraeus - Greece
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
"Jr. Chiong" <wichiong@yahoo.com>



To

cc

Subject
    Re: [MW:12987] Supplementary essential variable - Group number As per section IX

Ref

Dr. Georgio,

What is the correct one? Please provide for the benefit of us who also intrigue with this matter.

Thanks a lot.

Jun


From: "george.dilintas@gr.bureauveritas.com" <george.dilintas@gr.bureauveritas.com>
To: materials-welding <materials-welding@googlegroups.com>
Sent: Monday, 14 November 2011, 17:15:33
Subject: Re: [MW:12979] Supplementary essential variable - Group number As per section IX

Sorry dear fellow but your conclusion is not correct
Best regards
Dr Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
HBS Regional Technical Manager

  From: sevak hiren [hirensevak80@gmail.com]
 Sent: 14/11/2011 15:25 ZE5B
 To: materials-welding@googlegroups.com
 Subject: Re: [MW:12976] Supplementary essential variable - Group number As per section IX

Dear concern,
 
In this case if you have PQR with P No-1 Gr No-2 to P No1 Gr 1 combination with impact testing.
 
The following combinations with same PQR For impact application. -  CAN NOT BE USED
1) P No-1 Gr No-2 to P No1 Gr 2
2) P No-1 Gr No-1 to P No1 Gr 1
3) P No-1 Gr No-2 to P No1 Gr 1
 
But, as per QW-403.5
 
If you have two W{PS/PQR for P No-1 Gr No-1 to P No1 Gr 1 and P No-1 Gr No-2 to P No1 Gr 1 or 2 combination with impact testing., then only the above combinations are allowed.
 
QW - 403.5 clearlly states that a procedure qual. shall be made for each P No. Gr No combination of base metals, even though pro. qual. tests have been made for each of the two base metals welded to itself.
 
On Mon, Nov 14, 2011 at 11:18 AM, Sadique Basha <s-basha@velosi.com> wrote:
    Dear Vijay,
     
    Please refer to QW-403.5 of ASME Sec IX.
     
    It states " When base metals of two different P-Number Group Number combinations are qualified using a single test coupon, that coupon qualifies the welding of these two P-Number Group Numbers to themselves as well as to each other using the variables qualified."
     
    Hope this helps.
     
    Regards,
    Sadique
     
    From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Vijay Katkar
    Sent:     Sunday, November 13, 2011 9:30 PM
    To:     materials-welding@googlegroups.com; nandeshkumar@rocketmail.com
    Subject:     Re: [MW:12969] Supplementary essential variable - Group number As per section IX
     
    Dear Nandesh,

    Thanks for reply

    But if toughness requirement is applicable then group number will be essential variable. as per QW 252 change in group number call for qualification.
    please give me any reference in the section IX.

    Regards

    vijay katkar  
    On Sun, Nov 13, 2011 at 4:09 PM, Nandesh Kumar <nandeshkumar@rocketmail.com> wrote:
    YES.
    As per SEC IX, any combination of P1, G1 materials can be welded in any combination to P2, G2, provided Impact test requirements are fulfilled.
     
    Nandesh
     
    From: Madhusudan Rout <madhusudan.rout@gmail.com>
    To:     materials-welding@googlegroups.com
    Sent:     Sunday, 13 November 2011 4:37 PM
    Subject:     Re: [MW:12964] Supplementary essential variable - Group number As per section IX
     
    Yes  u can use As per SEC-9. QW-420, base metal grouping, 2010 edition.
     
     
     
    On Sat, Nov 12, 2011 at 9:14 PM, Vijay Katkar <katkar.vijay22@gmail.com> wrote:
    Dear All,

    please sheared your valuable experience for following situation,

    I have PQR with P No-1 Gr No-2 to P No1 Gr 1 combination with impact testing. Can i use following combination with same PQR For impact application.

    1) P No-1 Gr No-2 to P No1 Gr 2
    2) P No-1 Gr No-1 to P No1 Gr 1
    3) P No-1 Gr No-2 to P No1 Gr 1

    If above combination's are possible please provide code reference of ASME section IX or ASME section VIII.

    Regards
    Vijay Katkar

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Thanks & Regards

Hiren Sevak
Surveyor
Bureau Veritas - Ahmedabad
207, Abhishree
Opp Star India Bazaar,
Satellite Road,
Ahmedabad-380015
Tel No. 079-26925491/92

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Thanks & Regards

Hiren Sevak
Surveyor
Bureau Veritas - Ahmedabad
207, Abhishree
Opp Star India Bazaar,
Satellite Road,
Ahmedabad-380015
Tel No. 079-26925491/92

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For more options, visit this group's bolg at http://materials-welding.blogspot.com/
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