Dear members,
We have inspected some pipes (sizes from 12", 16" & 24" all schedule standard (9.53mm))....but it was observed that the thickness upon measurement is from 9.26mm to 9.3mm. the material is API-5L, Gr.B (PSL-1). eventhough the thicknesses are within the API- mill manufacturing tolerences, these are not matching with the Schedule required by drawings/client specifiactions. normally the physical thicknesses on pipe seen as more like 9.6, 9.7mm etc or even up to 10mm....but if it falls below the thickness written on the pipe itself, how could we assess this issue? opinions from all corners are appreciated. also, this may be very common issue with others, kindly share.
Thanks in advance
Kumar.
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