AS 4749-2001

1 - AS 4749-2001 NON-DESTRUCTIVE TESTING-TERMINOLOGY OF AND ABBREVIATIONS FOR FUSION WELD IMPERFECTIONS AS REVEALED BY RADIOGRAPH
4 - PREFACE
5 - CONTENTS
6 - 1 SCOPE
6 - 2 REFERENCED DOCUMENTS
6 - 3 SURFACE IMPERFECTIONS IN THE WELD OR ADJACENT PARENT METAL
6 - 4 INTERNAL IMPERFECTIONS IN THE WELD
21 - APPENDIX A - CODING OF IMPERFECTIONS AND THEIR LOCATION
22 - APPENDIX B - IMPERFECTION ABBREVIATIONS

Specifies definitions and descriptions of weld imperfections using, where appropriate, schematic diagrams and reference radiographs. Covers surface imperfections in the weld or the adjacent parent metal and internal imperfections in the weld. An appendix contains a scheme for the coding of imperfections and their location.

This Standard defines and describes weld imperfections using, where appropriate, schematic diagrams and reference radiographs, as follows:(a) Surface imperfections in the weld or the adjacent parent metal.(b) Internal imperfections in the weld.It also includes abbreviations for the imperfection types.NOTES: 1 A scheme for the coding of imperfections and their location is given in Appendix A.2 Methods of carrying out radiography on welded butt joints in metal are given in AS 2177.1.

First published as AS Z5.2-1968.Revised and redesignated as AS 4749-2001. First published as AS Z5.2-1968. Revised and redesignated as AS 4749-2001.