JIS-G-3191-2002-R2007-ENG.pdf
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1、J IS JAPANESE I NDUSTRIAL STA N DA R D Translated and Published by Japanese Standards Association (TISF/ JSA) Dimensions, mass and permissible variations of hot rolled steel bars and bar in coil ICs 77.140.60 Reference number : JIS G 3191 : 2002 (E) 5s G 3191 : 2002 Foreword T h i s translation has
2、been made based on the original Japanese Industrial Standard revised by 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 Feder
3、ation (JISF)/the Japanese Standards Association (JSA) with the draft being attached, based on the provision of Article 12 Clause 1 of the Industrial Standardization Law. Consequently JIS G 3191 : 1966 is replaced with this Standard. Date of Establishment: 1954-07-30 Date of Revision: 2002-01-20 Date
4、 of Public Notice in Official Gazette: 2002-01-21 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Iron and Steel JIS G 3191 : 2002, First English edition published in 2002-05 Translated and published by: Japanese Standards Association 4-1-24, Akasaka,
5、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 2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mech
6、anical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan -,-,- JAPANESE INDUSTRIAL STANDARD JIS G 3191 : 2002 Dimensions, mass and permissible variations of hot rolled steel bars and bar in coil 1 Scope This Standard specifies dimensions, mass
7、and tolerances thereon as well as appearance, shape, and allowable limits thereto of steel bars and bar in coil which are manufactured by hot rolling. In addition, the application of this Standard shall be stated in respective product standards. 2 Normative reference The following standard contains
8、provisions which, through reference in this Standard, constitute provisions of this Standard. The most recent edition of the standard (including amendments) indicated below shall be applied. Guide to the rounding of numbers JIS Z 8401 3 Definitions For the purposes of this Standard, the following de
9、finitions shall apply. 3.1 steel bars The steel which is hot rolled into a bar form and supplied by be- ing cut into a prescribed length. There are types of round bars, square bars and hexagonal bars. 3.1.1 round bars sectional shape is round. The steel which is rolled into a bar form and of which c
10、ross 3.1.2 square bars The steel which is rolled into a bar form and of which cross sectional shape is square. It also includes a type of steel with the corner of cross sectional shape rounded. 3.1.3 hexagonal bars The steel which is rolled into a bar form and of which cross sectional shape is hexag
11、onal. 3.2 bar in coil The steel which is hot rolled into a bar form and supplied by being wound into a coil shape. 4 Expression of dimensions The expression of dimensions shall be as follows. 4.1 side or width across flats and in meters for length. The dimensions of steel bars shall be expressed in
12、millimeters for diameter, 4.2 or width across flats. The dimension of bar in coil shall be expressed in millimeters for diameter, side 5 Standard dimensions The standard dimensions shall be as follows. 5.1 dance with Table 1. The standard diameter of round bar (including bar in coil) shall be in acc
13、or- 2 G 3191 : 2002 Diameter, side or width across flats Under 16 Table 1 Standard diameter of round bar Unit: mm Tolerance Diametrical deviation P) k 0.4 Not more than 70 % of total 5.5 6 7 8 9 10 11 12 13 (14) 16 (18) 19 20 22 24 25 (27) 28 30 32 (33) 36 38 (39) 42 (45) 46 48 50 (52) 55 56 60 64 6
14、5 (68) 70 75 80 85 90 95 100 110 (120) 130 140 150 160 180 200 Remarks 1 It is preferable that the standard diameters other than those being enclosed in parenthe- ses should apply thereto. 2 The standard diameter shall apply to the round steel not less than 9 mm therein and to the bar in coil not mo
15、re than 50 mm therein. 5.2 The standard length of steel bars shall be in accordance with Table 2. Table 2 Standard length of steel bars Unit: m 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 8.0, 9.0, 10.0 I Remarks : In the case of bar in coil, the total mass on order and coil unit mass shall be designated, when re
16、quired. 6 Dimensional tolerances The dimensional tolerances shall be as follows. 6.1 deviation of the steel bar and bar in coil shall be as given in Table 3. The dimensional tolerances on diameter, side or width across flats and diametrical Table 3 Dimensional tolerance on diameter, side or width ac
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