MSS SP-55-20012 w+ Y! b/ k* U
Quality Standard for Steel Castings for Valves, Flanges, Fittings, and Other Piping Components Visual Method for Evaluation of Surface Irregularities) F) Q" H6 R6 x- A4 _
% L W8 j$ M) H/ S0 h ^ N该标准中的几种类型的缺陷NOT ACCEPTABLE MEANS REJECT OR NOT." t6 X! _& P5 x% [
# e5 R$ v ~2 }3 n0 x如果不是,不可接受是否可以是经过修复以后再进行VT检查,通过VT就可以了?