Hello,
Defects can survive an hydrotest, then it can grow and appears as a leak, as César Vitero wrote some defects could grow during logistics or assembling.
Sergio Muñoz
IWE-IIW
http://Weld-ING.tk
El lunes, 2 de febrero de 2015, 22:10:12 (UTC-5), raouf salhi escribió:
-- Defects can survive an hydrotest, then it can grow and appears as a leak, as César Vitero wrote some defects could grow during logistics or assembling.
Sergio Muñoz
IWE-IIW
http://Weld-ING.tk
El lunes, 2 de febrero de 2015, 22:10:12 (UTC-5), raouf salhi escribió:
Dear experts;We have a skid of piping 10 " and 2 " API 5L welded and inspected according B 31.3.we made already the internal hydro test ( two houres at 375 bar) in workshop and the result was satisfactory , we repeat the same hydrotest in the client workshop and we found a leak in one 2 " joints.the RT report for this weld mention only undercut ( acceptable).how we can explain this ?regardsSALHI RaoufQA/QC Engineer
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