This part in JB/T 4730 specifies the liquid penetrant testing methods and quality grading of pressure equipments.
This part is applicable for the test of surface breaking defects of non-porous metal material or non-metallic material caused during manufacture, installation and using.
2 Normative References
The following standards contain provisions which, through reference in this part of GB/T 5465, constitute provisions of this part. For dated reference, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these labels are applied or not. For undated references, the latest edition of the normative document is applicable to this part.
JB/T 4730.5-2005 The following standards are cited: