JIS-G-3442-2004-ENG.pdf
《JIS-G-3442-2004-ENG.pdf》由会员分享,可在线阅读,更多相关《JIS-G-3442-2004-ENG.pdf(8页珍藏版)》请在三一文库上搜索。
1、JIS JAPANESE INDUSTRIAL STANDARD Translated and Published by Japanese Standards Association JIS G 3442:20*4 Galvanized steel pipes for ordinary piping ICs 23.040.10;77.140.75 Reference number : JIS G 3442 : 2004 (E) PROTECTED BY COPYRIGHT 5 s Copyright Japanese Standards Association Provided by IHS
2、under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 23:35:02 MSTNo reproduction or networking permitted without license from IHS -,-,- G 3442 2004 Foreword This translation has been made based on the original Japanese Indus- trial Standard revised by
3、 the Minister of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by The Japan Iron and Steel Federation (JISF), with the draft being attached, based on the provision of
4、Article 12 clause 1 of the In- dustrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS G 3442:1997 is replaced with this Standard. Attention is drawn to the possibility that some parts of this Standard may confiict with a patent right, applica
5、tion for a patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Ministers and the Japanese Industrial Standards Committee are not responsible for identeng the patent right, a
6、pplication for a patent after opening to the public, utility model right or application for patent after opening to the public, utility model right or application for registra- tion of utility model after opening to the public which have the said tech- nical properties. Date of Establishment: 1957-1
7、0-30 Date of Revision: 2004-03-20 Date of Public Notice in Official Gazette: Investigated by : Japanese Industrial Standards Committee 2004-03-22 Standards Board Technical Committee on Iron and Steel JIS G 3442 : 2004, First English edition published in 2004-06 Translated and published by: Japanese
8、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 2004 Aii rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any f
9、orm 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 JSALicensee=IHS Employees/1111111001, User=Wing,
10、Bernie Not for Resale, 03/10/2007 23:35:02 MSTNo reproduction or networking permitted without license from IHS -,-,- G 3442 : 2004 Contents Page Introduction 1 1 2 3 4 4.1 4.2 4.3 5 6 7 8 8.1 8.2 8.3 8.4 9 10 . Scope 1 Normative references 1 Classification and symbol 1 Materials and manufacturing me
11、thod 1 Materials 1 Hot dipped zinc coating 2 Pipe end 2 Zinc coating characteristic. . ,2 Dimensions, dimensional tolerances and mass,. Appearance . 3 Test. 3 Sampling of test material and the number of test pieces . 3 Zinc coating test . 4 Tread fitting test 4 Appearance . 4 Inspection 4 Marking .
12、-4 . . . 3 . PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 23:35:02 MSTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL ST
13、ANDARD PJIS G 3442 : 2004 Galvanized steel pipes for ordinary piping Introduction In his revision, the part needed to be revised with regard to the planned withdrawal of the antimony chloride method in the zinc coating weight tests associated with the revision of JIS H 0401 referred to was revised,
14、and at the same time the editing of standard and terms were reviewed. 1 Scope This Japanese Industrial Standard specifies the galvanized steel pipe to be used for water pipes (air conditioning, fire extinction, drain, etc.) other than public water supply at the maximum static head of 100 m (hereafte
15、r referred to as “pipe“). 2 Normative references The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. The most recent edi- tions of the standards (including amendments) indicated below shall be applied. JIS B 0203 JIS B 0253 JI
16、S B 2301 JIS B 2302 JIS G 0404 JIS G 3452 JIS I31 0401 JIS H 2107 JIS 3 9124 Taper pipe threads Gauges for taper pipe threads Scre wed type malleable cast iron pipe fittings Scre wed t p e steel pipe fittings Steel and steel products -General technical delivery requirements Carbon steel pipes for or
17、dinary piping Methods of test for hot dip galvanized coatings Zinc ingots Becommendedpractice for zinc coating 3 bol shall be as given in table 1: Classification and symbol The pipe shall be classified into one grade and its sym- Table 1 Symbol of grade I Grade I Svmbol I 1 Galvanized steel DiDe for
18、 ordinarv DiDine I SGPW I 4 Materials and manufacturing method 4.1 Materials Materials shall be as follows: a The pipe shall be of the black pipe with plane end specified in JIS G 3452 and shall be given hot dipped zinc coating prior to threading and tapping. PROTECTED BY COPYRIGHT Copyright Japanes
19、e Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/10/2007 23:35:02 MSTNo reproduction or networking permitted without license from IHS -,-,- 2 G3442 : 2004 b) The socket shall conform to JIS B 2301 or JIS B 2302, and
20、 the socket with hot dipped zinc coating shall be used. 4 . 2 Hot dipped zinc coating The hot dipped zinc coating shall be as follows: a Zinc to be used for galvanizing shall be the distilled zinc ingot class 1 of JIS H 2107 or zinc ingots at least equal in quality. b) The pipes shall be, prior to t
21、hreading and tapping, cleared perfectly of rust, scales and adherents on the inside and outside surfaces by alkali-washing, water-rinse and pickling. Then, the residue of acid still adhering shall be removed by wa- ter-rinsing, and then the pipes and shall be flux-treated and dried. c The pipes havi
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- JIS 3442 2004 ENG
链接地址:https://www.31doc.com/p-3784226.html