Welding between A106 Gr.B and API 5L Gr.B

[thiru sam]

Dear All,

One of my contractor submitted and wps/pqr for approval for welding
between A106 Gr.B and API 5L Gr.B pipes.

The Wps is prepared newly for this project and PQR is from old
projects.

I reviewed and i found that the PQR is done for API 5L PSL1-Gr.B to
API 5L PSL1-Gr.B.

Is it possible to prepare the wps for A106 Gr.B and API 5L Gr.B pipes
based on the above PQR.

Please reply.

Thanks.

[Bathula Raghuram (Mumbai - PIPING)]

What is your code of construction?
It is acceptable based on ASME Sec IX 2010 edition, however earlier editions of ASME i.e. before 2010, APL 5L B was assigned as S number 1, requalification was necessary then.

Note: thou it is not applicable in your present case, if you are using B31.3 and you have multiple grades API 5L each strength level requires requalification.

Dear All,

Please reply.

Thanks.

Filtered by Hosted Filtering

[Elshan Feyzullayev]

in accordance ASME IX 2001 edition QW 420.2 you can use this WPS for welding of ASTM 106 Gr b to API 5L Gr B.
 
regards,
Elshan.

> -----Original Message-----
> From: material...@googlegroups.com [mailto:material...@googlegroups.com] On Behalf Of thiru sam
> Sent: Tuesday, December 21, 2010 4:14 PM
> To: Materials & Welding
> Subject: [MW:8853] Welding between A106 Gr.B and API 5L Gr.B
>
> Dear All,
>
> One of my contractor submitted and wps/pqr for approval for welding
> between A106 Gr.B and API 5L Gr.B pipes.
>
> The Wps is prepared newly for this project and PQR is from old
> projects.
>
> I reviewed and i found that the PQR is done for API 5L PSL1-Gr.B to
> API 5L PSL1-Gr.B.
>
> Is it possible to prepare the wps for A106 Gr.B and API 5L Gr.B pipes
> based on the above PQR.
>
> Please reply.
>
> Thanks.
>
>
> Filtered by Hosted Filtering
>
>

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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.

[SOHAIB GHNAIMAT]

In accordance with ASME IX, (ASTM 106 Gr B) and (API 5L Gr B) have the same P-no and therefore , you don't need to qualify new WPS it covers BOTH.

 

Regards,

 

Sohaib

---

From: Elshan Feyzullayev <elsh...@hotmail.com>
To: material...@googlegroups.com
Sent: Tue, December 21, 2010 2:14:06 PM
Subject: RE: [MW:8858] Welding between A106 Gr.B and API 5L Gr.B

[Sundaram Elumalai]

No, API 5L  Gr.B is S1 group and will not cover the P1. So he has to qualify the PQR.

 

P1 covers S1 but S1 will not cover P1.    QW 420.2

 

 

 

 

With Kind regards,

 

S.Elumalai.

---

[Prabhu Kumar L]

 

Dear All,

 

Please refer to ASME Sec. IX edition 2010 in which no “S” number classification specified. All S number has been indicated with respective P number classification. In fact some of EN and JIS materials and ISO equivalent group number also specified.

 

Regards,

 

L. Prabhu kumar.

 

 

---

[praveen alavandar]

Mr.Elumalai,   You were right about API 5L Gr.B classification as S.No.1, but that was until only 2007 Sec.IX edition, the latest 2010 Sec.IX is addressing API 5L Gr.B as P.No.1 only.   Please find attachment for details.   Mr.Thiru Sam you need to see which version of Sec.IX is applicable for your contract / project and then  review it accordingly, if the latest versio needs to be followed , I think there should not be any problem in accepting this PQR and WPS.   Regards,   Praveen Alavandar Sr.Welding Engineer Muscat           --- On Wed, 12/22/10, Sundaram Elumalai <Elumalai...@starfab.com.sa> wrote:

[ashok malhar]

[John Henning]

What Code or Standard?  Other requirements?

 

John A. Henning

Welding & Materials

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