Please refer below for ASME B31.3 acceptance criteria. To reject any indication i need to comply 3 rules :-
1. It must be linear indication 2. The indication level must be above reference level 3. Comply with Rejectable length.
If i never comply with one of the above criteria i cant reject any indcation. How about Lack of sidewall fusion , lack of penetration and crack which is consider as a serious indication? Do i still need to follow this 3 rules or can i reject this indication since its a serious indication? I am just concern about small thickness and please advice. I just found one lack of sidewall fusion which is :-
344.6.2 Acceptance Criteria. A linear-type discontinuity is unacceptable if the amplitude of the indication exceeds the reference level and its length exceeds (a) 6 mm (1⁄4 in.) for Tw ≤ 19 mm (3⁄4 in.) (b) Tw/3 for 19 mm < Tw ≤ 57 mm (21⁄4 in.) (c) 19 mm for Tw > 57 mm