《JIS-G-5121-2003-ENG.pdf》由会员分享，可在线阅读，更多相关《JIS-G-5121-2003-ENG.pdf（28页珍藏版）》请在三一文库上搜索。
1、J IS JAPANESE I NDUSTRIAL STANDARD Translated and Published by Japanese Standards Association (JSCFA/ JSA) Corrosion-resistant cast steels for general applications ICs 77.140.20; 77.140.80 Reference number : JIS G 5121 : 2003 (E) PROTECTED BY COPYRIGHT 15 S G 5121 : 2003 Foreword This translation ha
2、s 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 Steel Castings and Forgings
3、Association of Japan (JSCFA)/ Japanese Standards Association (JSA) with the draft being 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 5121 : 1991 is replaced with thi
4、s Standard. In order to conform to the International Standard, this revision has been prepared based on IS0 11972 : 1998 Corrosion-resistant cast steels for general applications. Date of Establishment: 1956-05-25 Date of Revision: 2003-06-20 Date of Public Notice in Official Gazette: 2003-06-20 Inve
5、stigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Iron and Steel JIS G 5121 : 2003, First English edition published in 2004-01 Translated and published by: Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of any d
6、oubts arising as to the contents, the original TIS is to be the final authority. O JSA 2004 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 mechanical, including photocopying and microfilm, without
7、permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT G 5121 : 2003 Contents Page Introduction . 1 2 3 4 5 6 7 8 9 10 11 Scope Normative references General conditions for delivery . Classification symbols Chemical composition . Mechanical properties . Corrosion resistance
8、 Shapes and dimensions Appearances . Soundness . Manufacturing method . 11.1 General items of the manufacturing method . 11.2 Heat treatment 12 Tests . 12.1 Testing location 12.2 Analytical test 12.3 Mechanical test 12.4 12.5 12.6 Appearance test . 12.7 Non-destructive test Sulfuric acid-copper sulf
9、ate corrosion test Measurement of shape and dimensions . 13 Retest . 14 Inspection 15 Marking . 16 Report 17 Supplementary requirements Annex (informative) Comparison table between JIS and corresponding International Standard . 1 1 1 2 2 3 6 12 12 12 12 12 12 12 12 13 13 13 13 13 13 14 14 14 14 14 1
10、4 16 PROTECTED BY COPYRIGHT -,-,- JAPANESE INDUSTRIAL STANDARD JIS G 5121 : 2003 Corrosion-resistant cast steels for general applications Introduction This Japanese Industrial Standard has been prepared based on the corresponding portions (general conditions for delivery and applicable supplemen- ta
11、ry requirements) of the first edition of IS0 11972 Corrosion-resistant cast steels for general applications published in 1998 without modifying the technical contents. The some items not specified in the original International Standard have been addi- tionally contained herein as Japanese Industrial
12、 Standard. The portions with continuous sidelines or dotted underlines in this Standard are the items not included in the original International Standard. The table of modifi- cation is shown as Annex (informative) with their explanations. 1 Scope This Standard specifies cast steels for general corr
13、osion-resistant applica- tions (including centrifugal cast steel pipes, hereafter referred to as “steel castings“). Remarks : The International Standard corresponding to this Standard is as fol- lows: In addition, symbols which denote the degree of correspondence in the contents between the relevant
14、 International Standard and JIS are IDT (identical), MOD (modified), and NE:. I max. SCS 15 0.08 2.00 2.00 max. max. max. SCS 16 0.03 1.50 2.00 max. max. max. SCS 0.03 1.50 1.50 16A max. max. max. SCS 0.03 1.50 1.50 16AX max. max. max. Table 2 T 0.040 max. 0.030 max. 0.040 0.040 max. max. 0.040 0.04
15、0 max. max. 0.040 0.040 max. max. 0.040 0.030 max. max. 0.040 0.030 max. max. 0.040 0.040 max. max. 0.040 0.040 max. max. 0.040 0.040 max. max. 0.040 0.040 max. max. 0.040 0.040 max. max. (continued) Ni 9.00 to 12.00 10.00 to 14.00 12.00 to 16.00 9.00 to 13.00 9.00 to 12.00 9.00 to 12.00 12.00 to 15
16、.00 19.00 to 22.00 8.00 to 12.00 8.00 to 12.00 12.00 to 16.00 9.00 to 12.00 9.00 to 12.00 10.00 to 14.00 27.50 to 30.00 3.00 to 5.00 17.00 to 2.00 to 20.00 2.50 17.00 to 1.75 to 1.00 to 20.00 2.75 2.50 17.00 to 2.00 to 20.00 3.00 17.00 to 2.00 to 21.00 3.00 17.00 to 2.00 to 20.00 2.50 17.00 to 2.00
17、to 20.00 2.50 22.00 to 26.00 23.00 to 27.00 17.00 to 21.00 - 21.00 17.00 to I I 17.00 to 1.75 to 1.00 to 20.00 1 2.75 1 2.50 17.00 to 2-00 to 20.00 I 3.00 1 19.00 to 2.00 to 3.00 to 22.00 1 3.00 1 (I 15.50 to 2.50 to 17.50 Unit: % PROTECTED BY COPYRIGHT -,-,- 6 G 5121 : 2003 Table 2 (concluded) Clas
18、sifi- symbols max. SCS32 1 max. 3 max. scs36 I “ . 36N I y:. T - P 0.80 0.80 0.035 max. II max. max. 1.00 1 1.50 I 0.035 max. max. ma. 1.00 max. 1.50 max. 1.50 - - max. - 1.50 max. 1.50 max. - 1.50 max. 1.50 max. 1.50 max. 1.50 max. 1.50 max. 0.035 max. 0.040 max. 0.040 max. 0.040 max. 0.040 max. 1.
19、50 I 1.50 1 0.040 max. max. rnax. Notes (1) The maximum added Ni content is 1.00 %. (2) If necessary, alloy elements other than those mentioned above may be added. (3) Where class SCS 13, SCS 13A, SCS 14 or SCS 14A is used at low tem- perature, the maximum limit of Cr may be raised to 23.00 %. (4) T
20、he maximum Mo content for class SCS 1, SCS lX, SCS 2 or SCS 2A may be 0.50 %. 6 Mechanical properties Steel castings shall be tested in accordance with 12.3, and the proof stress, tensile strength, elongation, reduction of area and hardness shall be as given in Table 3 and Table 4. The values of Cha
21、rpy impact strength may be subject to the agreement between the purchaser and the manufacturer. PROTECTED BY COPYRIGHT 7 G 5121 : 2003 P- P- Cu O Y t- 7-i cv fn c4 c4 O Y m 2 4 * N O i ) o , P 7-i m m N x E o, C D N u) m Cu m m Cu O Y c-4 2 O Y O P- 7-i h .rf m a, “ k 2 h 4 o TQ1 .r( n a a cd a, Q c
22、d + + m m a, “ k a , . d o F, n cd V c cd .d u 5 - N 3 U s i E a, .d V a, a m “ m a, “ 3 o a =: 5 E % “ “ m a , u a , 9 cd A r/l 3 4 d n W PROTECTED BY COPYRIGHT 12 G 5121 : 2003 H 1075 H 1150 1 O20 to 1 080 565 to 615 x 4 h 785 min. 960 min. 9 min. 277 min. rapid cooling air cooling 1 O20 to 1 O80
23、605 to 665 x 4 h 665 min. 850 min. 10 min. 269 min. rapid cooling air cooling 7 Corrosion resistance If requested by the purchaser, the resistance to inter- granular corrosion of classes SCS 10, SCS 16, SCS 16A, SCS 19, SCS 19A, SCS 20, SCS 21 and SCS 22 shall be tested in accordance with 12.4, and
24、the intergranular corrosion or cracking of the test piece shall not be found on the bent face. 8 Shapes and dimensions Steel castings shall be tested in accordance with 12.5, and the shape and dimensions shall comply with 6 . 2 . 3 c) in JIS G 0307. This pro- vision shall not apply if it is otherwis
25、e agreed between the purchaser and the manu- facturer. 9 Appearances be free from flaws, cracks, or blow holes, etc. detrimental to use. Steel castings shall be tested in accordance with 12.6, and shall 10 Soundness Steel castings shall, at the request of the purchaser, be subjected to the tests of
26、1 2 . 7 or other appropriate method, and they shall be free from defects detrimental to use such as flaws, cracks, or blow holes, etc. The criteria for acceptability of the soundness shall be subjected to the agree- ment between the purchaser and the manufacturer. 11 Manufacturing method 11.1 factur
27、ing method shall be in accordance with clause 5 in JIS G 0307. General items of the manufacturing method General items of the manu- 1 1 . 2 Heat treatment Steel castings shall be subjected to the heat treatment speci- fied in Table 3 and Table 4. Heat treatment other than given in the Tables may be
28、subjected to the agreement between the purchaser and the manufacturer. 12 Tests PROTECTED BY COPYRIGHT -,-,- 13 G 5121 : 2003 12.1 Testing location The testing location shall be, as a rule, the manufactur- ing plant concerned. At the request of the purchaser, the manufacturer shall allow the purchas
29、er to attend the test. 12.2 Analytical test 12.2.1 General items of analytical test General items of analytical test shall be in accordance with 6.2.2 e) in JIS G 0307. 12.2.2 Method of analysis The analytical method shall be in accordance with any one of the following standards: JIS G 1211, JIS G 1
30、212, JIS G 1213, JIS G 1214, JIS G 1215, JIS G 1216, JIS G 1217, JIS G 1218, JIS G 1219, JIS G 1228, JIS G 1237, JIS G 1238, JIS G 1253, JIS G 1256, JIS G 1257 12.3 Mechanical test 12.3.1 General items of mechanical test General items of mechanical test shall be in accordance with 6.2.2 c in JIS G 0
31、307. The following conditions shall also The shape and dimensions of the test specimen shall be in accordance with Fig- ure 1 a), b), c) or d) of JIS G 0307. The preparation of test specimens for centrifugal cast steel pipes shall be sub- jected to the agreement between the purchaser and the manufac
32、turer. The test specimens shall be heat-treated together with the steel castings. apply: a) b) 12.4 Sulfuric acid-copper sulfate corrosion test 12.4.1 Preparation of test pieces The test pieces for the sulfuric acid-copper sulfate corrosion test shall becut from test specimens prepared according to
33、6.2.2 b) in JIS G 0307. 12.4.2 Test method The test method shall be as given in 9 j in JIS G 0307. In the case that the determination of the presence of intergranular corrosion cracking is difficult due to the mechanical cracking caused when the specified bending is per- formed, the determination ma
34、y be performed by bending the test piece to the maxi- mum angle at which mechanical cracking does not occur, which had been beforehand obtained by performing the bend test using a test piece of the same size which has not undergone immersion in the corrosion test liquid. 12.5 Measurement of shape an
35、d dimensions The shape and dimensions of steel castings shall be measured with a device having the precision required for the given tolerance. 12.6 Appearance test The appearance test of steel castings shall be in accor- dance with 6.2.3 a) in JIS G 0307. PROTECTED BY COPYRIGHT -,-,- 14 G 5121 : 200
36、3 1 2 . 7 Non-destructive test The non-destructive test of steel castings shall be in accordance with 6 . 2 . 3 b) in JIS G 0307. 13 Retest Retest of the mechanical properties shall be in accordance with 6 . 2 . 2 d) in JIS G 0307. 14 Inspection Inspection of steel castings shall be as follows: a) b
37、) c) d) e) f) g h) General items of the inspection shall be in accordance with 6 . 3 in JIS G 0307. The chemical composition shall conform to the requirements specified in clause 5. The mechanical properties shall conform to the requirements specified in clause 6. The corrosion resistance shall conf
38、orm to the requirements specified in clause 7 . The shape and dimensions shall conform to the requirements specified in clause 8. The appearance shall conform to the requirements specified in clause 9. The soundness shall conform to the requirements specified in clause 10. Steel castings shall not b
39、e subjected to any treatment prior to inspecting such as painting, which might interfere with the inspection. 15 Marking Steel castings which have passed inspection shall be clearly marked in accordance with clause 7 in JIS G 0307. For the classes SCS 1, SCS 6X and SCS 24, the heat treatment symbol
40、shall also be marked. 16 Report A report shall be issued in accordance with Annex 2 in JIS G 0307. If alloy elements are added as per Note (2) of Table 2, the content of the added elements shall be stated in the report. The report shall also indicate which one of Figure 1 a), b), c) or d) of JIS G 0
41、307 is used as the basis for the shape and dimen- sions of the test specimen. 17 Supplementary requirements The supplementary requirements are speci- fied on the inquiry and purchase order, and shall apply only when agreed upon be- tween the purchaser and the manufacturer. The items of the supplemen
42、tary requirements used in the option of the purchaser are included in JIS G 0307. The subclause numbers and items specified in JIS G 0307 used with this Standard are given below. The details of these items are listed in JIS G 0307, Others, whether or not in JIS G 0307, may be subjected to the agreem
43、ent between the purchaser and the manufacturer. 9 a) 2) Reporting of the steelmaking process 9 a) 3) Agreed manufacturing procedure 9 a) 4) Dividing up the cast 9 a) 6) Mass and tolerance on mass 9 c) Chemical analyses for residual elements 9 d) 4) Low temperature impact test (lateral expansion valu
44、e, fracture ratio) 9 f) Test specimens PROTECTED BY COPYRIGHT -,-,- 15 G 5121 : 2003 9 g) 2) 9 h) 1) 9 i) i) 9 i) 2) 9 i) 3) 9 i) 4) 9 j) 1) 9 j) 4) Details of the heat-treatment Prior agreement relating to major repair welds Liquid penetrant inspection Magnetic particle inspection (not for austenit
45、ic castings) Radiographic examination Ultrasonic inspection (not for austenitic castings) Pressure tightness Corrosion resistance test PROTECTED BY COPYRIGHT -,-,- 16 G 5121 : 2003 l - E E .r( PROTECTED BY COPYRIGHT 17 G 5121 : 2003 I rk E fi ci) PROTECTED BY COPYRIGHT -,-,- 18 G 5121 : 2003 PROTECT
46、ED BY COPYRIGHT 19 G 5121 : 2003 I - ci c o) ci a u !- 43 O O T? 2 C .I z a o m E o u i “ E L Z .2 O rl PROTECTED BY COPYRIGHT -,-,- 20 G 5121 : 2003 W 2 a do t 2 oui “ E a z1 c N 2 PROTECTED BY COPYRIGHT 21 G 5121 : 2003 4-i O PROTECTED BY COPYRIGHT -,-,- 22 G 5121 : 2003 .ci U o u C m d w .- U a3
47、4 .- I p: h Y v o) b J 3 c m 2 PROTECTED BY COPYRIGHT -,-,- U Q o U U 2 ;Ei o m i: b o u i O E 2 % ho ai m 3 cd 0 c c . r ( z m m a X w o .C + o Q) Y 2 I ; E e c- U Fi P p: 2 23 2 5121 : 2003 PROTECTED BY COPYRIGHT 24. G 5121 : 2003 PROTECTED BY COPYRIGHT -,-,- Errata for JIS (English edition) are p
48、rinted in Standardization Journal, published monthly by the Japanese Standards Association, and also provided to subscribers of JIS (English edition) in Monthly Information. Errata will be provided upon request, please contact: Standardization Promotion Departmen& Japanese Standards Association 4-1-24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN TEL. 03-3583-8002 FAX. 03-3583-0462 100% Recycl