ISO-4992-2-2006.pdf
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1、 Reference number ISO 4992-2:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 4992-2 First edition 2006-02-15 Steel castings Ultrasonic examination Part 2: Steel castings for highly stressed components Pices moules en acier Contrle aux ultrasons Partie 2: Pices moules en acier pour composants fortement s
2、ollicits Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Qatar Petroleum/5943408001 Not for Resale, 04/12/2007 02:05:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4992-2:2006(E) PDF disclaimer This PDF file m
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5、ion parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2006 All rights reserved. Unless
6、 otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO cop
7、yright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2006 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Qatar
8、 Petroleum/5943408001 Not for Resale, 04/12/2007 02:05:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4992-2:2006(E) ISO 2006 All rights reserved iii Contents Page Foreword iv 1 Scope . 1 2 Normative references. 1 3 Terms and definitions. 2 4 Requirements 2 4.1 Orde
9、r information . 2 4.2 Extent of examination. 3 4.3 Maximum permissible size of discontinuities . 3 4.4 Personnel qualification 3 4.5 Wall-section zones 4 4.6 Severity levels. 4 5 Examination. 4 5.1 Principles. 4 5.2 Material 4 5.3 Equipment, coupling medium, sensitivity and resolution of detection 5
10、 5.4 Preparation of casting surfaces for testing . 6 5.5 Examination procedure 6 5.6 Examination report. 9 Annex A (normative) Resolution of detection of the instrument/probe combination. 16 Annex B (informative) Sound-beam diameters . 17 Annex C (informative) Types of indications 19 Bibliography. 3
11、1 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Qatar Petroleum/5943408001 Not for Resale, 04/12/2007 02:05:43 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 4992-2:2006(E) iv ISO 2006 All rights reserved Forew
12、ord ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a techni
13、cal committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of e
14、lectrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to
15、the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for i
16、dentifying any or all such patent rights. ISO 4992-2 was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 11, Steel castings. ISO 4992 consists of the following parts, under the general title Steel castings Ultrasonic examination: Part 1: Steel castings for general purposes Part 2:
17、Steel castings for highly stressed conponents Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=Qatar Petroleum/5943408001 Not for Resale, 04/12/2007 02:05:43 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONA
18、L STANDARD ISO 4992-2:2006(E) ISO 2006 All rights reserved 1 Steel castings Ultrasonic examination Part 2: Steel castings for highly stressed components 1 Scope This part of ISO 4992 specifies the requirements for the ultrasonic examination of steel castings (with ferritic structure) for highly stre
19、ssed components, and the methods for determining internal discontinuities by the pulse echo technique. This part of ISO 4992 applies to the ultrasonic examination of steel castings which have usually received a grain-refining heat treatment and which have wall thicknesses up to and including 600 mm.
20、 For greater wall thicknesses, special agreements apply with respect to the test procedure and recording levels. This part of ISO 4992 does not apply to austenitic steels and joint welds. 2 Normative references The following referenced documents are indispensable for the application of this document
21、. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 5577, Non-destructive testing Ultrasonic inspection Vocabulary ISO 7963, Non-destructive testing Ultrasonic testing Specification for
22、calibration block No. 2 EN 583-1, Non-destructive testing Ultrasonic examination Part 1: General principles EN 583-2, Non-destructive testing Ultrasonic examination Part 2: Sensitivity and range setting EN 583-5,2005, Non-destructive testing Ultrasonic examination Part 5: Characterization and sizing
23、 of discontinuities EN 1330-4, Non-destructive testing Terminology Part 4: Terms used in ultrasonic testing EN 12223, Non-destructive testing Ultrasonic examination Specification for calibration block No. 1 EN 12668-1, Non-destructive testing Characterization and verification of ultrasonic examinati
24、on equipment Part 1: Instruments EN 12668-2, Non-destructive testing Characterization and verification of ultrasonic examination equipment Part 2: Probes EN 12668-3, Non-destructive testing Characterization and verification of ultrasonic examination equipment Part 3: Combined equipment Copyright Int
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