Regarding PQR Qualification,
Weld a clad plate of similar composition (as production Joint) with 254 SMO Alloy plate (based on production joint dissimilar thickness allowed)
Thanks & Regards
J.Gerald Jayakumar
On Monday, 26 December, 2022 at 08:40:51 am IST, 'james gerald' via Materials & Welding <materials-welding@googlegroups.com> wrote:
Weld the joint as per attached configuration as a single vee joint using alloy filler wire/electrode such as ER/E NiCrMo3 for the complete joint.
Thanks & Regards
J.Gerald Jayakumar
On Friday, 23 December, 2022 at 04:35:28 pm IST, atul jha <atulkrjha21@gmail.com> wrote:
Dear sir
-- I Have to establish a PQR as per below detail :-
Material 1 : SA 516 gr 70 overlay of 3 mm by NiCrmo-3 ( done at vendor works).
Material 2 : A182 Gr F 44 UNS S 31254.
Code of construction ; B31.3.
Pwht : none
I have to weld this joint in our plant as per attach figure.
QUERY: can a PQR with P1 to P8 by nicrmo-3 will serve the purpose OR I have to establish a PQR P1 ( cladded by nicrmo-3 ) to P8 welded by NicrMO-3 . I want to go with 1 st case
Does change in welding process also affect the above choice .
Kindly note that these vessel are for ARAMCO.
Kindly explain and guide me accordingly.
Regards
Atul jha
B.E in welding Technology.
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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