Kindly suggest on below case
We have prepared proposed wps on the basis of that pqr was welded in one of the established classification society. Test coupon were sent in NABL lab... TPI witnessed the same...four side bend, two tensile and hardness conducted in the lab.
All test pass however one of the bend test failed due to defects length more the 3mm.
Then we approach TPI for re-test from the original specimen as per ASME QW202. 1 (3rd para).
But classification society project manager says it is a wrong practice and we will witness only new welding samples.
We told him that it is written in the code and if all other test are passed then failure is not related to welding parameters.... It is particularly related to specific defect may be present at that point and that has caused failure and for that there is an option for re-test as per ASME Sec IX.
Kindly suggest your opinion... And what should we do now? Because classification society is not willing to witness the re-test as per ASME sec ix.
Rgds,
M R Gupta
+91-9820604076
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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