If the code governing the job is B31.3, then the qualified range shall be T/2 ~ (T+1/4"). In this specific case, PQR A qualified 4mm ~ 14mm and PQR B qualified 11mm ~ 28mm, so your range shall be 4mm ~ 28 mm.
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| Feng Lu, Ph.D. | ||
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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of George Dilintas
Sent: Tuesday, March 22, 2016 3:14 PM
To: Meghanadh K
Subject: Re: [MW:24570] Reg: combination of 2pqr's make a wps
you can not exceed the base metal thickness qualified with the PQRB
2016-03-19 13:29 GMT+02:00 Chandra <chandrasekhar.palapala@gmail.com>:
Dear to all,
I would like to ask you about the combination of pqr's
I have PQR A - 8mm (gtaw+smaw)
PQR B - 21.5mm (gtaw+smaw)
Both the pqr's were impact tested
now i want to make a wps using the 2pqr's as the thickness range 8mm to 43mm with impact requirements.
I require suggestions on this. Please give comments n valuable answers
Chandra
Welding Engineer
Best Regards,
Chandra
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Dr. Georgios Dilintas,
Dipl. Ing. In Aeronautic and Space Engineering
Ph.D in Mechanics of Solids - Computational Mechanics
A.I.S, A.N.I, IRCA Lead Auditor
Welding, Stress Analysis, Corrosion, QA/QC, Failure Analysis, Risk Analysis
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