超声检查程序ULTRASONIC EXAMINATION PROCEDURE.docVIP

ULTRASONIC EXAMINATION PROCEDURE Revision 0 Date 30/04/2017 Page PAGE 1 of NUMPAGES 20 ULTRASONIC EXAMINATION PROCEDURE 3 2 1 0 REVISION PREPARED BY REVIEWED BY APPROVED BY AI STATEMENT OF DEMONSTRATION CERTIFICATION We hereby certify that the Ultrasonic Examination Procedure （Doc.No.：NDE07-03/Rev.0） has been demonstrated on a test specimen with known defects to the satisfaction of the Authorized Inspector (AI) according to T-150 of ASME Code section V, as required by UW-53 and Appendix 12 of Section VIII, Div.1. Specimen No.:NDE01-1＃ Report No.: NDE07-03-01 NDE07-03-02 NDE07-03-03 Certified by NDE Level Ⅲ: Date: AI: Date: 1. Scope of Application 1.1 This procedure is compiled in accordance with the requirements of Code Section I、 Section V and Section Ⅷ Division 12. 1.2 In accordance with this procedure a pulse-echo type of ultrasonic instrument shall be used for Code product examination. Single probe, angle beam scanning shall be the principal method, if necessary, straight beam scanning may also be used. All scanning methods used are manual. 1.3 This procedure is applicable for ultrasonic examination of butt-welded, full penetrated joint in wrought (rolled, drawn, forged or extruded) material with thickness equal to or greater than 5/16in.(8mm) detecting, locating and evaluating the reflectors from the weld metal, heat affected zone and base metal adjacent the weld. 1.4 Ultrasonic examination of single side welded partial penetrated welds and austenitic steel welds are not considered to be within the scope of this procedure. 1.5 Unless other procedure has been approved and accepted that may specify particular requirements, ultrasonic examination relating to method, evaluation, and detailed technique and requirement shall be in accordance with this procedure. 2. NDE Personnel 2.1 NDE personnel shall be qualifi