Standard No.:	NB/T 47013.7-2012(JB/T
English Name:	Nondestructive testing of pressure equipments - Part 7: Visual examination
Chinese Name:	承压设备无损检测 第7部分：目视检测
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:	2000 words
Price(USD):	40.0
Delivery:	via email in 1 business day

1 Scope This Part of NB/T 47013 specifies the visual examination methods of pressure equipment. This Part is applicable to the visual examination of pressure equipment in manufacturing and in use. The visual examination of the support Parts and structural members related to pressure equipment may also refer to this Part. This Part is not applicable to visual observation activity adopted in other nondestructive testing methods

Foreward I 1 Scope 2 Normative References 3 Terms and Definitions 4 General Requirements 5 Testing Methods and Technology 6 Results Evaluation 7 Records and Report

*GB 11533-2011 Standard for logarithmic visual acuity charts
*GB/T 20737-2006 Non-destructive testing - General terms and definitions
*GB/T 20968-2007 Non-destructive testing—Aids to visual inspection—Selection of low-power magnifiers
*JB/T 4730.1-2005 Nondestructive Testing for Pressure Equipment - Part 1: General Requirements