液体渗透检验程序LIQUID PENETRANT EXAMINATION PROCEDURE.docVIP

LIQUID PENETRANT EXAMINATION PROCEDURE NDE07-05 Revision 0 Date 30/04/2017 Page PAGE 10 of NUMPAGES 11 LIQUID PENETRANT EXAMINATION PROCEDURE 3 2 1 0 REVISION PREPARED BY REVIEWED BY APPROVED BY AI DEMONSTRATION CERTIFICATION We hereby certify that the Liquid Penetrant Examination procedure（Doc.No.： NDE07-05/Rev.0） has been demonstrated on a test specimen with known defects to the satisfaction of the AI according to ASME Code Section V, T-150 as required by the Section VIII, Div. 1, Appendix 8. Test Specimen No.:NDE01-2＃ Demo. Report No.: NDE07-05-01 Certified by NDT Level Ⅲ: Date: AI: Date: 1. General 1.1 This procedure provides the requirements and acceptance standards for dye liquid penetrant examination in accordance with ASME Code Section I、 Section V and Section Ⅷ Division 12. 1.2 This procedure is only suitable for detecting the defects that are open to the surface of material or weldment 1.3 This procedure shall be certified by demonstration to the satisfaction of the AI prior to implementation. 2. Personnel 2.1 The personnel engaged in the penetrant examination shall be qualified and certified in accordance with the requirement of “Written Practice for NDE Personnel Training, Examination，Qualification and Certification ” 2.2 The operator shall be at least level Ⅰ.Interpretation of results shall only be performed by a level Ⅱ or a level Ⅲ personnel. 3. Written Procedure Requirements 3.1 Requirements. Liquid penetrant examination shall be performed in accordance with this written procedure, which shall, as a minimum, contain the requirements listed in Table 1. The written procedure shall establish a single value, or range of values, for each requirement. 3.2 Procedure Qualification When procedure qualification is specified, a change of requirement in Table 1 identified as an essential variable from the specified value, or range of values, shall require requalification of th