《JIS-Z-3060-2002-ENG.pdf》由会员分享，可在线阅读，更多相关《JIS-Z-3060-2002-ENG.pdf（88页珍藏版）》请在三一文库上搜索。
1、JAPANESE INDUSTRIAL STANDARD JIS 2 3060 : 2002 Method for ultrasonic examination for welds of ferritic steel July, 2004 ERRATA Page 29 Annex 3.2 e) Error : 13.4 of JIS Z 2350 Correct : 8.3.7 of JIS Z 2350 Remarks: This erratum is for correcting the second edition of this Standard. Japanese Standards
2、 Association - 15- Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS Z 3060
3、 : 2002 Method for ultrasonic examination for welds of ferritic steel September 2003 ERRATA Page 4 7.2.2 Fig1 RB-41, N0.2 Thickness of over 20 mm up to and incl. 40 mm Error: TI2 - 5 Correct: TI2 Remarks: This erratum is for correcting the first edition of this Standard. Japanese Standards Associati
4、on - 29 - Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright Japanese Standards Association Provide
5、d by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association (JSNDI/ JS
6、A) Method for ultrasonic examination for welds of ferritic steel ICs 19.100; 25.160.40; 77.140.01 Reference number : JIS Z 3060 : 2002 (E) PROTECTED BY COPYRIGHT 43 s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie N
7、ot for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- Z 3060 : 2002 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minister of Economy, Trade and Industry through deliberations at the Ja
8、panese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by The Japanese Society for Non-Destructive Inspection (JSNDI)/ the Japanese Standards Association (JSA) with the draft being attached, based on the provision of Article 12 Clause
9、1 of the Industrial Standard- ization Law applicable to the case of revision by the provision of Article 14. Consequently JIS Z 3060 : 1994 is replaced with this Standard. This revision is made in consideration of the technological advancement and international technological trend with regard to ult
10、rasonic examination. Date of Establishment: 1975-09-01 Date of Revision: 2002-03-20 Date of Public Notice in Official Gazette: 2002-03-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Welding JIS Z 3060 : 2002, First English edition published in 2003
11、-04 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2003 All rights reserved. Unless otherwise specified, no part of this publicat
12、ion may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALice
13、nsee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- Z 3060 : 2002 Contents Page 1 1 1 2 2 2 2 3 3 3 3 4 5 5 5 5 5 7 8 9 9 14 16 17 17 1 2 3 4 5 5.1 5.2 6 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 S
14、cope Normative references Definitions Examination personnel . Calibration blocks and reference blocks Calibration blocks Reference blocks . Couplant Preparation of examination . Selection of examination method Selection of reference blocks or calibration blocks Selection of frequency . Selection of
15、disregard level Finishing of test surface Stage of examination Examination of parent materials Measurement of wave velocity ratio to STB . Selection of refraction angle according to wave velocity ratio 7.10 Calculation method of refraction angle by test object 8 8.1 8.2 8.3 9 9.1 Adjustment and chec
16、k of ultrasonic test equipment Angle beam examination Normal beam examination . Tandem examination . Examination . Angle beam examination PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for
17、 Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- Z 3060 : 2002 9.2 Normal beam examination . 21 9.3 Tandem examination . 22 10 Record 24 Annex 1 (normative) Annex 2 (normative) Examination method for joint welds of flat plate Annex 3 (normative)
18、Method for the examination of circumferential joint welds . 37 Annex 4 (normative) Examination method for longitudinal joint welds . Annex 5 (normative) Function and performance of ultrasonic test equipment 27 32 43 Examination method for steel pipe branch joint weld 57 Annex 6 (normative) Examinati
19、on method for nozzle joint weld Annex 7 (normative) Method for classifying examination results 71 65 Annex 8 (informative) Method for measurement of ultrasonic discontinuity height . 72 (ii) PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicense
20、e=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS Z 3060 : 2002 Method for ultrasonic examination for welds of ferritic steel 1 Scope This Japanese Industrial St
21、andard specifies the method for detecting a discontinuity and for measuring its location and dimensions on full penetration welds of ferrite series steel with thickness of 6 mm or more, in the case of manual ultra- sonic examination (hereafter referred to as “examination”) using pulse echo technique
22、 by ultrasonic test instrument (hereafter referred to as “test instrument”) with a scope display. However, this Standard is not applied to the examination of joint welds of steel pipes under production process. 2 Normative references The following standards contain provisions which, through referenc
23、e in this Standard, constitute provisions of this Standard. The most recent editions of the standards (including amendments) shall be applied. JIS Z 2300 JIS Z 2345 JIS Z 2350 JIS Z 2352 Glossary of terms used in nondestructive testing Standard test blocks for ultrasonic testing Method for measureme
24、nt of performance characteristics of ultrasonic probes Method for assessing the overall performance characteristics of ultra- sonic pulse echo testing instrument 3 Definitions For the purposes of this Standard, the definitions given in JIS Z 2300 and the following definitions shall apply. paste A pa
25、stelike couplant. glycerol paste The glycerol paste is a kind of couplant, which is made by adding a small amount of surfactant and thickener to glycerol. probe-discontinuity distance The distance for path length from probe in- dex where the maximum echo height is obtained by using an angle probe to
26、 a discontinuity to be projected on the test surface. L direction L direction is the principal rolling direction of rolled steel materi- als. C direction C direction is the direction perpendicular to the principal rolling direction. Q direction Q direction is the direction at an angle of 45” from th
27、e principal rolling direction. STB wave velocity ratio A ratio (V/VSTB) of transverse wave velocities (V) measured so that the vibrating direction of transverse wave agrees with the scan- ning direction of test object to transverse wave velocities (VSTB) measured by using model Al STB or one out of
28、model A3 series STB. STB difference of refraction angle by scanning direction The difference between the refraction angle by test object and the STB refraction angle (8STB) measured by using model A l STB or one out of model A3 series STB. PROTECTED BY COPYRIGHT Copyright Japanese Standards Associat
29、ion Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 2 3060 : 2002 i) maximum transmission pulse The transmission pulse of which amplitude is maxi
30、mized when scanning a test object by the V path method. j) ultrasonic discontinuity length An apparent discontinuity length estimated by transference distance of the probe. 4 Examination personnel The personnel engaged in the examination of welds should possess not only the general knowledge of prin
31、ciple of ultrasonic examina- tion and welds of ferritic steel, but also sufficient knowledge and experience of the examination of the specified test object. 5 Calibration blocks and reference blocks 5 . 1 The calibration blocks (STB) to be used in this Standard shall be model Al calibration blocks,
32、model A2 and A3 series calibration blocks which are specified in JIS Z 2345. Calibration blocks 5.2 justment. Reference blocks The reference blocks (RB) shall be used for sensitivity ad- RB-41 1) 2) 2. i) 2.2) RB-41 shall be used for the examination of joint welds of flat plate and joint welds with
33、the radius of curvature of 250 mm or over, and its form shall be as given in Fig. 1 and its size as given in Table 1. RB-41 shall meet one of the following requirements. Reference blocks with the test surface Finished by using homogeneous low damping materials and without radius of curvature, Refere
34、nce blocks of the same grade of steel as that of the test object used, which meet the following condition with respect to the state of test sur- face, and are without radius of curvature. Condition : Thickness shall be within RB-42orRB-A6 : RB-41 Adjustment of working sensitivity i STB-A1 or model A
35、3 series calibration block 1 Annex 3 Fig. 1 Scope of reference and calibration blocks 2.2 RB-42 shall be as shown in Annex 3 Fig. 2. Reference block of RB-42 The form and dimensions of reference block of In addition, RB-42 shall be any of the following: a) Having the curvature to the direction perpe
36、ndicular to the scanning direction with the test surface finished with homogeneous low damping materials. Having the curvature meeting the following conditions in the state of the same grade of steel, test surface as those of the test object. Conditions : The thickness and curvature shall be within
37、f 10 % of those of test object, and the wave velocity difference between RB-42 and test object shall be within + 2 %. b) PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/20
38、07 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- 38 Z 3060 : 2002 2 - 1 S I D S : Maximum path length to D : Width of transducer be used Annex 3 Fig. 2 Example of RB-42 2.3 Reference block RB-A6 The form and dimensions of reference block RB-A6 shall be as shown i
39、n Annex 3 Fig. 3. The perpendicularity of hole of RB-A6 shall be 0.5“ or less, top angle of hole shall be 118“, and the corner of hole shall not be cham- fered. Furthermore, the thickness and curvature of RB-A6 shall be within , b) STBorRB w, w w 2 Path length (mm) c) Quantity of sensitivity correct
40、ion (V - V) Annex 6 Fig. 2 Method of sensitivity correction for examination from outer surface b) Case of examining from inner surface (concave surface) The sensitivity correction shall be performed in accordance with of 4.4.2 b) of Annex 3. 4.4.3 Case of examining from outer surface of nozzle The q
41、uantity of sensi- tivity correction shall be obtained from Annex 3 Fig. 6 or Annex 3 Fig. 7 in accor- dance with nominal frequency and transducer size of the angle probe to be used, couplant and outer diameter of the nozzle in units of 1 dB (round off). 4 . 5 Adjustment of working sensitivity The wo
42、rking sensitivity shall be adjusted in accordance with 8 . 1 . 6 of the body. 5 Method for examination 5.1 Confirmation of probe to weld distance and path length 5 . 1 . 1 Case of nozzle joint weld attached to cylindrical body The axial di- rection of the cylindrical body shall be taken as O“ as sho
43、wn in Annex 6 Fig. 3, and the probe to weld distance of 0.5 skip and 1.0 skip in each deflection angle of O“, 30, 45“, 60“ and 90, and their path lengths shall be obtained by either of the fol- lowing two items. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under li
44、cense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-,- 68 Z 3060 : 2002 a) The stereoscopic figure (including form of groove) of each examining location shall be made up by the s
45、haping gauge as shown in Annex 6 Fig. 4 and the probe to weld distance and path length shall be obtained from the stereoscopic figure, The mark lines shall be drawn at the positions of the probe to weld distances YL and YU, on the test surface. shall be obtained by using Annex 6 Fig. 5 from the valu
46、e of $- of the nominal value or of the actual value and the deflection angle OC between the probe direction and the axial direction of cylindrical body. shall be taken as 5 in Annex 4 Fig. 12 and Annex 4 Fig. 13, the correction factors a and b shall be obtained, and the probe to weld distance and pa
47、th length shall be calculated from the following formu- lae. t b) The value of t Furthermore, the value of YL = (t tane) X b, YU = 2 X YL WL = (t/cosO) x a, Wu = 2 x WL The mark lines shall be drawn at the positions of the probe to weld distances YL and YU on the test surface. i The same form as the
48、 I Annex 6 Fig. 3 Relationship among deflection angle c, direction of probe and axial direction of cylindrical body Annex 6 Fig. 4 An example of use of shaping gauge PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/11/2007 06:43:57 MDTNo reproduction or networking permitted without license from IHS -,-