JIS-G-3132-2005-ENG.pdf
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1、J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association Hot-rolled carbon steel strip for pipes and tubes ICs 77.140.20 Reference number : JIS G 3132 : 2005 (E) PROTECTED BY COPYRIGHT G 3132 : 2005 Foreword This translation has been made based on the original
2、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 Federation (JISF) with the draft bein
3、g attached, based on the provision of Article 12 Clause 1 of the Industrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS G 3132 : 1990 is replaced with this Standard. Attention is drawn to the possibility that some parts of this Standard may
4、 conflict with a patent right, application 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 Minister and the Japanese Industrial Standards Committee are not respons
5、ible for identifying the patent right, application 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 the said technical properties. Date of Establishment: 1968-04-01 Date of Revision: 2005-10-20 Date
6、of Public Notice in Official Gazette: 2005-10-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Iron and Steel JIS G 3132 : 2005, First English edition published in 2006-03 Translated aiid published by: Japanese Standards Association 4-1-24, Altasaka,
7、 Minato-ku, Tokyo, 107-5440 JAPAN In the event of any doubts arising as to the contents, the original JIS is to be the final authority. O JSA 2006 All rights reserved. Unless otherwise specified, no part of this publication inay be reproduced or utilized iii any form or by any ineans, electronic or
8、mechanical, including pliotocopying and microfilin, without permission in writing froin the piiblisher. Printed in Japan PROTECTED BY COPYRIGHT AT G 3132 : 2005 Contents Page 1 2 3 4 5 6 7 8 8.1 8.2 9 9.1 9.2 10 11 Scope Normative references Classification. symbols and applicable thicknesses Chemica
9、l composition . Mechanical properties . Shapes. dimensions. mass and tolerances Appearance . Tests . Chemical analysis Mechanical test Inspection Inspection Reinspection Marking . Report 1 1 1 1 2 2 4 4 4 4 5 5 5 5 6 (i PROTECTED BY COPYRIGHT JAPANESE INDUSTRIAL STANDARD JIS G 3132 : 2005 Classifica
10、tion symbol Hot-rolled carbon steel strip for pipes and tubes Applicable thickness mm 1 This Japanese Industrial Standard specifies the hot-rolled carbon steel strip (hereafter referred to as “steel strip”) to be used for welded steel pipes and tubes. Scope 2 Normative references The following stand
11、ards contain provisions which, through reference in this text, constitute provisions of this Standard. The most recent edi- tions of the standards (including amendments) indicated below shall be applied. JIS G 0320 Standard test methods for heat analysis of steel products JIS G O404 Steel and steel
12、products-General technical delivery requirements JIS G 0415 Steel and steel products-Inspection documents JIS G 3193 Dimensions, mass and permissible variations of hot rolled steel plates, sheets and strips Test pieces for tensile test for metallic materials Bend test pieces for metallic materials M
13、ethod of tensile test for metallic materials Method of bend test for metallic materials JIS Z 2201 JIS Z 2204 JIS Z 2241 JIS Z 2248 3 Classification, symbols and applicable thicknesses The steel strips shall be classified into 4 grades and their symbols and applicable thicknesses shall be as given i
14、n table 1. Table 1 Classification, symbols and applicable thicknesses 1.2 or over up to and incl. 13 SPHT2 1.6 or over up to and incl. 13 (1 SPHT4 Note (1) May be applied for thicknesses 1.2 mm or over up to and excluding 1.6 mm as agreed between the purchaser and the manufac- turer. 4 and the deter
15、mined cast analysis values shall be as specified in table 2. Chemical composition The steel strip shall be tested in accordance with 8.1 PROTECTED BY COPYRIGHT 2 G 3132 : 2005 Classification symbol SPHT1 Table 2 Chemical composition Unit: % C Si Mn P S O. 10 max. 0.35 max. (2) 0.50 max. 0.040 max. 0
16、.040 max. 180“ 180“ 180“ 180“ I SPHT2 I 0.18max. I 0.35 max. I 0.60 max. I 0.040 max. I 0.040 max. I Flat Thick- on ness itself x 0.5 Thick- Thick- ness ness x 1.0 x 1.5 Thick- Thick- ness ness x 1.5 x 2.0 Thick- Thick- ness ness x 1.5 x 2.0 I SPHT3 I 0.25 max. I 0.35 max. I 0.30 to 0.90 I 0.040 max
17、. I 0.040 max. I 340 min. I SPHT4 I 0.30 max. I 0.35 max. I 0.30 to 1.00 I 0.040 max. I 0.040 max. I 25 min. 27 min. Note (2) It may be modified to 0.04 5% max. by agreement between the purchaser and the supplier. 490 min. 5 Mechanical properties The steel strip shall be tested in accordance with 8.
18、2 and the determined tensile strength, elongation and bendability shall comply with table 3. In the bend test, no cracks shall be generated on the outside of the bent portion. The bend test may be omitted unless otherwise specified by the purchaser. 15 min. 18 min. Table 3 Mechanical properties Clas
19、si- fication symbol Tensile test piece Bendability Elongation strength N/mm2 Bend- ing angle I Inside radius Test piece I mm Thickness to and incl. 13 3.0 or over to and excl. 6.0 6.0 or over up to and incl. 13 SPHT1 270 min. 30 min. 32 min. II 35 min. 37 min. No. 5 taken in rolling direction No. 3
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