Re: [MW:28218] 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) ?

Kindly see QW-403.5...

On Sat 25 Aug, 2018, 1:18 PM Aslam Khan, <aslamkhan15@gmail.com> wrote:

No you can't...you have to qualify the combination pqr or otherwise if you want to use as asked in question you have to qualify P.No.1 G.No.2 to itself and then you can use it for combination WPS provided that no essential and supplementary essential variables are unchanged except Group No....

On Fri 24 Aug, 2018, 7:28 PM Temburu Chiranjeevulu, <chiru.qaqc@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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