According to EN287-1 a welders qualifications need to be prolonged every 2 years by testing of two samples within a 6 month period prior to their expiry date. My question is if the qualification originally required the testing of 4 pipe samples because of their diameter and per the requirements of ASME Section IX, are the samples required for prolongation (2) sets of the original (4) pipe samples for a total of (8)or just (2) samples of material that falls within the original qualification range? Our Inspection Agency is insiting that we need to provide (8) samples and the way EN-287 reads it sounds like only (2) are required.
Can anyone clarify this - Thanks in advance for any guidence anyone can give.
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