i found this in B31.3 332.2.1 Bend Flattening. Flattening of a bend, the difference between maximum and minimum diameters at any cross section, shall not exceed 8% of nominal outside diameter for internal pressure and 3% for external pressure. Removal of metal shall not be used to achieve these requirements.
Please Like, Share and subscribe my channel to get the regular updates . My channel link...
czcams.com/users/WeldingNDTInspection
i found this in B31.3
332.2.1 Bend Flattening. Flattening of a bend, the
difference between maximum and minimum diameters
at any cross section, shall not exceed 8% of nominal
outside diameter for internal pressure and 3% for external
pressure. Removal of metal shall not be used to achieve
these requirements.
Q7 : 1.5 for hydrotest, 1.1 for pneumatic
Q7. According to my understanding Test pressure is 1.5x Design pressure. Not 1.5 %.
Question # 12 Please Reference code or standard
In question 12 referred to which standard not mentioned please mention