Standard No.:	NB/T 47013.9-2012
English Name:	Nondestructive testing of pressure equipments - Part 9: Acoustic emission testing
Chinese Name:	承压设备无损检测 第9部分：声发射检测
Chinese Classification:	H26    Metal nondestructive testing method
Professional Classification:	NB    Professional Standard - Energy
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Issued by:	NEA
Issued on:	2012-1-4
Implemented on:	2012-3-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This Part specifies the classification and evaluation of acoustic emission testing methods and results for metal pressure equipment. This Part is applicable to the acoustic emission testing and monitoring of active defects for metal pressure equipment in use. This Part is not applicable to the acoustic emission testing and monitoring of leakage. 2 Normative References The following documents are indispensable for the application of this document. For dated references, only the dated edition is applicable to this document. For undated references, the latest edition (including all the amendments) applies.

Foreword I Introduction II 1 Scope 2 Normative References 3 Terms and Definitions 4 General Requirements 5 Testing Methods 6 Result Evaluation and Classification 7 Verification of Acoustic Emission Location Source 8 Records and Reports Appendix A (Normative) Performance Requirements on Acoustic Emission System Appendix B (Informative) Schematic Diagram of Sensor Layout