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

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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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