JIS-G-3114-2004-ENG.pdf
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1、J IS JAPANESE I N DUSTRIAL STANDARD Translated and Published by Ja pan ese Standards Accoci atio n Hot-rolled atmospheric corrosion resisting steels for welded structure ICs 77.140.01 Reference number : JIS G 3114 : 2004 (E) PROTECTED BY COPYRIGHT 9s G 3114 : 2004 Foreword This translation has been
2、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 Federation
3、 (JISF) with the draft being at- tached, 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 3114 : 1998 is replaced with this Stan- dard. Attention is drawn to the possibility that
4、some parts of this Standard may 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 Stan
5、dards Committee are not responsible 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 Dat
6、e of Revision: 2004-03-20 Date of Public Notice in Official Gazette: 2004-03-22 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Iron and Steel JIS G 3114 : 2004, First English edition published in 2004-06 Translated and published by: Japanese Standards
7、 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 JSA2004 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by
8、 any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT -,-,- G 3114 : 2004 Contents Page Introduction . 1 2 3 4 5 5.1 5.2 6 6.1 6.2 7 8 9 9.1 9.2 10 Scope Normative references Classificatio
9、n and symbols Chemical composition . Carbon equivalent or weld cracking susceptibility of material Carbon equivalent and weld cracking susceptibility of material of SMA570W and SMA570P . Carbon equivalent and weld cracking susceptibility of material of steel plates having undergone thermo-mechanical
10、 process control . Mechanical property . Yield point or proof stress, tensile strength, and elongation Charpy absorption energy Shapes. dimensions. mass. and tolerances . Appearance . Heat treatment and symbols . Heat treatment Symbols for heat treatment . Tests . 10.1 Chemical analysis 10.2 Mechani
11、cal test 11 Inspection 11.1 Inspection 11.2 Reinspection 12 Marking . 13 Report Attached Table 1 Normative references . Annex (normative) Sampling position of the test piece 1 1 1 1 1 2 2 3 4 4 4 5 5 5 5 5 6 6 6 7 8 8 8 8 9 10 (i) PROTECTED BY COPYRIGHT JAPANESE INDUSTRIAL STANDARD JIS G 3114 : 2004
12、 Hot-rolled atmospheric corrosion resisting steels for welded structure Introduction made in 1983, 1988 and 1998 up to the present time. for SMA570 have been specified. Since this Standard was specified in 1968, the revisions have been In this revision? carbon equivalent and weld cracking susceptibi
13、lity of material 1 Scope This Standard specifies the hot-hot rolled atmospheric corrosion resist- ing steels particularly imparted with a high weldability (hereafter referred to as “plates and sections”) to be used for bridges, building and other structures. Remarks : The term “atmospheric corrosion
14、 resistance? means the protective char- acteristics impervious to corrosion when exposed to the atmosphere. 2 Normative references The standards listed in attached table 1 contain provi- sions which, through reference in this Standard, constitute provisions of this Standard. The most recent editions
15、 of the standards (including amendments) shall be applied. 3 Classification and symbols Table 1 Symbols of classification Symbol Applicable thickness mm SMA4OOAW s 4 o o p corrosion resistance; 200 max. “he plates, steel strip in coil, sections and flat steel with atmospheric SMA400BW SMAOOBP corros
16、ion resistance; 200 Max. The plates, steel strip in coil, sections and flat steel with atmospheric The plates, steel strip in coil, and sections with atmospheric corrosion s 4 o o c p resistance; 100 m a . I sMA400cw I SMA49OAW s 4 g o p corrosion resistance; 200 max. The plates, steel strip in coil
17、, sections and flat steel with atmospheric SMA49OBW 4gop corrosion resistance; 200 max. The plates, steel strip in coil, sections and flat steel with atmospheric SMA49OCW s 4 g o c p resistance; 100 max. SMA570W MA570P resistance; 100 max. The plates, steel strip in coil, and sections with atmospher
18、ic corrosion The plates, steel strip in coil, and sections with atmospheric corrosion Remarks : The letter symbol “W” denotes that the plates and sections are usu- ally used with nothing on it or only chemically treated against rust- ing, while “P” denotes that they are usually used after being coat
19、ed. 4 Chemical composition with 10.1, and the ladle analysis values shall conform to table 2. The plates and sections shall be tested in accordance PROTECTED BY COPYRIGHT -,-,- 2 G 3114 : 2004 Table 2 Chemical composition P % 0.035 max. 0.035 max. SMA400BW sMA4oocw S% C u % C r % 0.035 0.30 to 0.45
20、to max. 0.50 0.75 0.035 0.20 to 0.30 to max. 0.35 0.55 SMA400AP SMA400BP SMA4OOCP Si % 0.15 to 0.65 0.55 max. 0.18 max. SMA49OAW SMA490BW sMA49ocw SMA49OCP SMA570W 0.15 to max. 0.18 0.15 to max- 0.65 0.035 max. Mn % 1.25 max. 1.25 max. 0.035 0.30 to 0.45 to max. 0.50 0.75 1.40 max. SMA570P 1.40 max.
21、 1.40 max. 0.18 0.55 max. max. 1.40 max. 0.035 max. 0.035 0.20 to 0.30 to max. 0.35 0.55 0.035 0.035 max. max. Ni % 0.05 to 0.30 - 0.05 to 0.30 - 0.05 to 0.30 - Remarks : The elements effective for the atmospheric corrosion resistance, such as Mo, Nb, Ti, V and Zr may be added to any grade of plates
22、 and sections. The total content of these elements shall not be over 0.15 %. 5 Carbon equivalent or weld cracking susceptibility of material 5.1 Carbon equivalent and weld cracking susceptibility of material of SMA570W and SMA570P Carbon equivalent or weld cracking susceptibility of material of SMA5
23、70W and SMA570P shall be as follows: Carbon equivalent shall be applied to the plates and sections having undergone quenching and tempering. a) Carbon equivalent The carbon equivalent shall be calculated from the fol- lowing formula by using the result of the ladle analysis obtained in 10.1 and the
24、values shall conform to table 3. Carbon equivalent (%) = (1) C+- +-+-f-+- +- . Mn Si Ni Cr Mo V 6 24 40 5 4 14 Table 3 Carbon equivalent I Thickness of the plates and sections mm I 50 max. I Over 50 up to and incl. 100 I I 0.44 max. I 0.47 max. I I Carbon equivalent % b) Weld cracking susceptibility
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