Re: [MW:28427] Can I use WPS/PQR P NO-1, Group NO-1 (PLATE) to P NO-1, Group NO-2 (PLATE) for welding of ASTM A333 Gr.6 (P No: 1, Group No: 1) to ASTM A350 Gr.LF2 CL.1 (P No: 1, Group No: 2) ?

Dear Experts,

We are actually in the process of making WPS for Hot Tapping . in this context while referring to API 1104 , unable to interpret the below paragraph from API 1104 In Service welding .

Kindly help in understanding

B.2.3.1.2 Pipeline Operating Conditions

For in-service welds, an increase in the severity of the pipeline operating conditions (in terms of weld cooling rates)

above the group qualified constitutes an essential variable.

Thanks in advance

Regards,

SRK

On Mon, Sep 17, 2018 at 2:13 PM sandeep kumar <sandeepdhiman63@gmail.com> wrote:

Specific to your query, please see below clause of ASME Section IX.

QW-211 BASE METAL

The base metals may consist of either plate, pipe, or

other product forms. Qualification in plate also qualifies

for pipe welding and vice versa.

Thanks & regards

Sandeep Kumar

On Monday, September 17, 2018 at 1:46:44 PM UTC+3, chiranjeevulu wrote:

Dear Nithin,

My query:

Can I use Plate  PQR (P1 G1 to P1 G2),  for piping welding job (P1 G1 to P1 G2) ? and both PQR with impact requirement.

On Mon, Sep 17, 2018 at 3:34 PM Nithin Joseph <nithind...@gmail.com> wrote:

Hi Please check your query,

You are saying "Can I use WPS/PQR P NO-1, Group  NO-1 (PLATE) to P NO-1, Group NO-2 (PLATE) " if your PQR is P1 G1 to P1 G2, then you can use this PQR for subject application with impact testing.

If your PQR is P1 G1 to P1 G1, then this PQR cannot be supported for welding the subject application.

On Fri, Aug 24, 2018 at 5:58 PM Temburu Chiranjeevulu <chiru...@gmail.com> wrote:

Dear Experts,

1. WPS/PQR (P NO: 1, Group No-1 to P NO: 1, Group No-1 ) is available with contractor

2. Pipe material: ASTM A333 Gr.6 (P No: 1, Group No: 1)

     Flange/Fitting material: ASTM A350 Gr.LF2 CL.1 (P No: 1, Group No: 2)

     WPS/PQR ( P NO: 1, Group No-1 to P NO: 1, Group No-2 ) is not available with contractor 

3.  Charpy "V" notch test to be done

My query is 

 

Can I use WPS/PQR P NO-1, Group  NO-1 (PLATE) to P NO-1, Group NO-2 (PLATE)   for welding of  ASTM A333 Gr.6 (P No: 1, Group No: 1) to ASTM A350 Gr.LF2 CL.1 (P No: 1, Group No: 2) ?

Please give suggestions, Is it possible in accordance with ASME Section-IX  ?

CHIRANJEEVULU TEMBURU l Inspection Engineer-Mechanical I +918790956353.

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Regards,
Nithin Joseph Dsilva

+971 557645785

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Thanks and Best Regards,

CHIRANJEEVULU TEMBURU l Inspection Engineer-Mechanical I +918790956353.

Capacity Augmentation of Jamnagar Loni LPG Pipeline Project of GAIL(JLPL),

GAIL- JAMNAGAR.

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