ASME SA-53/SA-53M:2013 pdf free download.SPECIFICATION FOR PIPE,STEEL,BLACK AND HOT-DIPPED,ZINC-COATED,WELDED AND SEAMLESS.
11.2.6 Pipe containing one or more imperfections that produce a signal equal to or greater than the signal produced by the calibration standard shall be rejected or the area producing the signal shall be rejected.
11.2.6.1 Test signals produced by imperfections that cannot be identified. or produced by cracks or crack- like imperfrctions. shall result in rejection of the pipe. unless it is repaired and retested. To be accepted. the pipe must pass the same specification test to which it was originally subjected. provided that the remaining wall thickness is not decreased below that Permitted by the specification. Ii shall be permissible to reduce the outside diameter at the point of grinding by the amount so removed.
11.2.6.2 It shall be permissible to evaluate test signals produced by visual imperfections in accordance with provisions of Section 14. A few eaniples of these imperfections would he straightener marks, cutting chips. scratches, steel die stamps. slop marks, or pipe reducer ripple.
11.2.7 The test methods described in this section are not necessarily capable of inspecting the end portion of pipes. This condition is referred to as end effect. The length of the end effect shall be determined by the manufacturer and, when specified in the purchase order, reported to the purchaser.
ASME SA-53/SA-53M:2013 pdf free download
