PQR Qualification
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williams p wilson
Nov 27, 2022, 10:27:00 PM11/27/22
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Dear Experts,
If I used the Steel Designation SA 516 Grade 70 65 60 MTLTV for procedure qualification. I will be qualified for P1 G 1 / 2 To P1 G 1 / 2
Single PQR / WPS satisfy my below welding requirements.
I have a doubt noted below for your advice.
If I used the Steel Designation SA 516 Grade 70 65 60 MTLTV for procedure qualification. I will be qualified for P1 G 1 / 2 To P1 G 1 / 2
Single PQR / WPS satisfy my below welding requirements.
(Toughness & PWHT considered)
1) SA 516 Gr.70 to SA 516 Gr.70
2) SA 106 Gr. B to SA 105
3) SA 106 Gr. B to SA 106 Gr. B
1) SA 516 Gr.70 to SA 516 Gr.70
2) SA 106 Gr. B to SA 105
3) SA 106 Gr. B to SA 106 Gr. B
Thank You & Regards
Williams P Wilson
QA/QC Engineer
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Jenish Mistry
Nov 28, 2022, 2:35:48 AM11/28/22
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Yes Definitely for PQR.
But you need Separate WPS ...
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Vishwas Keskar
Nov 28, 2022, 3:51:22 AM11/28/22
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Is there any requirement of Notched Toughness Requirements in the job by Design Engineering?
On Mon, Nov 28, 2022 at 8:56 AM williams p wilson <william...@gmail.com> wrote:
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williams p wilson
Nov 28, 2022, 4:37:56 AM11/28/22
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Yes, Impact Test required for the weld joints.
Thank You & Regards
Williams P Wilson
QA/QC Engineer
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Manikandan J
Nov 28, 2022, 5:10:42 AM11/28/22
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P1 G1 to P1 G2 PQR allows to weld P1 G1,G2 to P1G1, G2 Base Metals
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williams p wilson
Nov 28, 2022, 10:14:42 PM11/28/22
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Dear Sir,
My case is the test coupon plates (02 No's) are the same grade : SA 516 Grade 70 65 60 MTLTV
Thank You & Regards
Williams P Wilson
QA/QC Engineer
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Zacharias Rohith Joseph
Dec 21, 2022, 10:23:26 PM12/21/22
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Can you please explain why we need separate WPS ?
Zacharias Rohith Joseph
Dec 21, 2022, 10:23:32 PM12/21/22
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All these are P1 materials then they should be qualified by default.
srinivas rao
Dec 26, 2022, 1:21:00 AM12/26/22
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A single WPS will suffice this requirement , Mr.Williamns your undestanding was correct ,
ensure consuambels are using while production welding are meeting the requirment of Gr.70 plate weding in WPS as a note.
if you want to support this PQR for pressure vessels u need SA 516 Grade 70 65 60 MTLTV to SA 516 Grade 70 65 60 MTLTV (mostly prefered combination )- it can support for all the combinations
in other case you can have one side it is SA 516 Grade 70 65 60 MTLTV and other side SA 516 Grade 65 plate for plate to pipe /flange /fitting scope (better avode this ) - some clients wants this combination also.. u can concence them with code.
Regards,
Srinivas Rao
welding Engineer
welding Engineer
Mohd Siraj
Feb 2, 2023, 4:06:37 AM2/2/23
to Materials & Welding
Yes, considered, you have highest impact temp. (-Ve)
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