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1、JIS JAPANESE I N DU STRIAL STANDARD Translated and Published by Japanese Standards Association JIS H 4203100 Magnesium alloy bars ICs 77.150.20 Reference number : JIS H 4203 2005 (E) PROTECTED BY COPYRIGHT 9s Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS
2、 Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- H 4203 : 2005 Foreword This translation has been made based on the original Japanese Industrial Stan- dard revised by the Minister of Economy, Trade
3、and Industry through delibera- tions at the Japanese Industrial Standards Committee as the result of proposal for revision of Japanese Industrial Standard submitted by The Japan Magne- sium Association (JMA)/Japanese Standards Association (JSA) with the draft being attached, based on the provision o
4、f Article 12 Clause 1 of the Industrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS H 4203:1998 is replaced with this Standard. This Standard has been made based on IS0 3116:2001, Magnesium and magne- sium alloys - Wrought magnesium alloys
5、and IS0 7773: 1983, Magnesium alloys -Round bars and tubes -Dimensional tolerances for the purposes of making it easier to compare this Standard with International Standard; to prepare Japa- nese Industrial Standard conforming with International Standard; and to pro- pose a draft of an International
6、 Standard which is based on Japanese Industrial Standard. Attention is drawn to the possibility that some parts of this Standard may con- flict with a patent right, application for a patent after opening to the public, utility model right or application for registration of utility model after openin
7、g to the public which have technical properties. The relevant Minister and Japanese Industrial Standards 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 op
8、ening to the public which have the said technical properties. Date of Establishment: 1964-03-01 Date of Revision: 2005-03-20 Date of Public Notice in Official Gazette: Investigated by: 2005-03-20 Japanese Industrial Standards Committee Standards Board Technical Committee on Non-Ferrous Metals JIS H
9、4203 : 2005, First English edition published in 2005-04 Translated and published by: Japanese 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 2005 All rights reserved.
10、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 permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS un
11、der license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- H 4203 : 2005 Contents Page Introduction 1 1 Scope 1 2 Normative references 1 3 Classification and symbols 2 4 Qualit
12、y 3 4.1 Appearance 3 4.2 Chemical composition 3 4.3 Mechanical properties 3 5 Dimension and tolerances 4 5.1 Length of bars 4 5.2 Tolerances of dimensions 5 6 Tests 5 6.1 Chemical analysis 5 6.2 Tensile test 5 7 Inspection 6 . . . . . . 8 Marking 6 Annex (informative) Comparison table between JIS an
13、d corresponding International Standards 7 (i PROTECTEDBYCOPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IH
14、S -,-,- JAPANESE INDUSTRIAL STANDARD JIS H 4203 : 2005 Magnesium alloy bars Introduction This Japanese Industrial Standard has been, for the classes and its symbols, quality, test and inspection, prepared based on IS0 3116 Magnesium and magnesium alloys- Wrought magnesium alloys, published in 2001 a
15、s the third edition, and for dimension tolerance based on IS0 7773 Magnesium alloys-Round bars and tubes-Dimensional tolerances, published in 1983 as the first edition, with some modi- fications of the technical contents. Dimensions, inspection and marking not specified in corresponding Internationa
16、l Standards are added as the Japanese Industrial Standard. Portions underlined with dots are the modified items of original International Stan- dards. Comparison table is given in annex (informative) with its explanations. 1 Scope This Standard specifies magnesium alloy bars wjth-a-cjrcul-a.r,-.r-ec
17、tangular, extrusion process (hereafter referred to as “bars”). s war!%- .reffUlar. hexagonal -or .regular. octaonal .c.ros E - section, and manufactured by the Remarks : The International Standards corresponding to this Standard are as fol- lows. In addition, symbols which denote the degree of corre
18、spondence in the contents are IDT (identical), MOD (modified), and NEQ (not equiva- lent) according to ISO/ IEC Guide 21. IS0 3116:2001 Magnesium and magnesium alloys- Wrought magne- sium alloys (MOD) IS0 7773: 1983 Magnesium alloys -Round bars and tubes - Dim ensional tolerances (MOD) PROTECTED BY
19、COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 H 4203 2005 3 ble l. Classification and symbol
20、s The classification and symbols shall be as given in ta- Table 1 Classification and symbols Class 1 B I Class 1 C I MB1C Class 2 MB2 Class 3 MB3 I Class 5 I MB5 Class 6 Class 8 Class 9 Class 10 MB10 Class 11 MB11 I I Class i2 I MB12 Corresponding symbol of IS0 ISO-MgAl3Znl(A) ISO-MgAl6Znl ISO-MgAlS
21、Zn - ISO-MgZn3Zr ISO-MgZn6Zr ISO-MgMn2 IS0 -MgZn2Mn 1 ISO-MgZn7Cul ISO-MgY5RE4Zr ZSO-MgY4RE3Zr Equivalent alloy (Informative) ASTM 1 BS DIN NF AZ31B I MAG110 3.5312 G-A3Z1 -1-1-1- AZ61A MAG121 3.5612 G-A6Z1 AZ80A - 3.5812 - Remarks : Example MBlB-F The temper designation symbols of table 3 shall be
22、expressed after the symbols above listed with a hyphen (-1. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted withou
23、t license from IHS -,-,- 3 H 4203 : 2005 4.2 Chemical composition The chemical composition of bars shall be as given in ta- ble 2 Clacsi- ficat ion Class 1 B Class i C Class 2 Class 3 Class 5 Class 6 Class 8 Class 9 Class i0 Class 11 Class 12 Table 2 Chemical composition Unit % 4.8 to - dB6 Re- - ma
24、in 6.2 der dB8 Re- - 1.2 to - main der 2.3. vl10 Re- 0.2 6.0 to 0.5 to /“ I max. I 7.0 1 1.0 YIB11 Re- - 0.20 0.03 I max I max. Imain I main max. max. 1.5 tc 4.0 !.4 tc 4.4 - Chemical comnosition - Si - 0.10 max. 0.1 max. 0.10 max. 0.10 max. - - - 0.10 max. 0.10 max. - 0.10 max. 0.01 max. 0.01 max.
25、- oth- ers 0.05 10.0051 - I 0.05 I 0.30 max. max. max. max. 0.05 0.005 0.05 0.30 max. I max. I - I max. lmax. I 0.05 l0.0051 - I 0.05 I 0.30 max. I max. I I max. I max. m max. max. Notes (l) RE means neodymium (Nd) and other heavy rare earth elements. PROTECTED BY COPYRIGHT Copyright Japanese Standa
26、rds Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 H 4203 : 2005 Diameter Table 3 Mechanical properties (3) Tensile test Tensile 0.2
27、 % Elongatioi strength yield Over 10 to and incl. 40 Over 40 to and incl. 65 40 max. Over 40 to and incl. 60 Over 60 to and incl. 130 6 max. Over 6 to and incl. 60 Over 60 to and incl. 130 10 max. Over 10 to and incl. 100 All dimension of the cross section 50 max. 50 max. 10 max. Over 10 to and incl
28、. 50 Over 50 to and incl. 100 10 max. Over 10 to and incl. 75 10 or over to and incl. 130 270 min. 260 min. 295 min. 295 min. 290 min. 325 min. 330 min. 310 min. 280 min. 300 min. 275 min. 300 min. 310 min. 230 min. 230 min. 200 min. 230 min. 245 min. 250 min. 180 min. 160 min. 195 min. 195 min. 185
29、 min. 205 min. 230 min. 205 min. 200 min. 225 min. 255 min. 10 min. 10 min. 10 min. 8 min. 8 min. 4 min. 4 min. 2 min. 8 min. 8 min. 4 min. Class 5 Class 6 Class 8 F F T5 T5 F F T5 T5 F F Symbol and tem- per des- ignation MBiB-F MB1C-F MB2-F MB3-F Classi- fication spond- temper nation I Strength I I
30、 I of IS0 2lass i B I F I F Cilass 1 C I Class 2 T Class 3 MB3-T5 MB5-F MB5-T5 MB6-F MB6-T5 MB8-F MB9-F MB10-F MB10-T6 MBll-TS Class 9 Class i0 I F IF 160 min. I 7 min. -y-+%- Class 11 T5 + Class i2 T5 MB12-T6 Notes (3) Mechanical properties shall be in accordance with the symbols, defini- tion and
31、meanings specified in JIS H 0001. (4) Temper designation F is an informative value. Remarks .L. The-mech-anical- PrqPertiGs .of .bars .with. diameter. ezce-eding- the. speci: f1.d xanges-shall. .beAP?ed- .between. the .ma.nufilcturer. - and-. the. 2ur: chaser. . . 2 1 N/mm2 = 1 MPa PROTECTED BY COPY
32、RIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 H 4203 : 2005 5.2 Tolerances of dimensions The tol
33、erances of dimensions shall be as follows. a) When the length of bars is specified by the agreement between the manufacturer and the purchaser and its diameter is not exceeding 50 mm and the length 2 O00 mm to 6 O00 mm, the length tolerance of bars shall be in the range of f - : : . . m m . The tole
34、rances other than this range shall be agreed between the manufacturer and the purchaser. b) The tolerances of diameter of bars shall be as given in table 4. Table 4 Tolerances and its grades of diameter Diameter 4 or over to and incl. i 0 Over i0 to and incl. 16 Over 16 to and incl. 30 Over 30 to an
35、d incl. 50 Over 50 to and incl. 80 Over 80 to and incl. 120 Unit: mrn Tolerance Normal precision (5) I Special precision (6) +0.5 O +0.6 O +0.7 O +0.9 O +1.2 O +1.6 O -0.09 O -0.11 O -0.13 O -0.16 - - Notes (5) The bars extruded and straightened. (6) The bars extruded and sized. Remarks : The tolera
36、nces on diameter other than the specified ranges shall be agreed between the manufacturer and the purchaser. c) The maximum deflection tolerance shall be within 0.2 % of the length. d) The dimension and its tolerances of cross section other than round shall be agreed between the manufacturer and the
37、 purchaser. 6 Tests 6 . 1 1336 JIS H 1337 JIS H 1338 a - - - - - - - . - - - . - - . - - - - - - - - - - . . - - - - . - - - - . - - - - - - - - - - - - - . - - . - - - - - - - . - - - - JIS H 1340 JIS H 1341 and JIS H 1345. Chemical analysis The chemical analysis of the chemical composition shall b
38、e in accordance with J i s . H . 1 . 3 3 , . J I S . H 3 3 , J ? J . H 1 . 3 3 . J . 3 , . J The analytical methods for other elements in table 2 shall be agreed between the manufacturer and the purchaser. 6.2 Tensile test The tensile test shall be in accordance with JIS Z 2241. The-te-nsile test. d
39、Ld!-b.e- erfor-me-b-us:ng- the. test s2eCin)en-s.ameled-b- .a.n.approerlatesamee_g metbod. -from. .thebars. !?f-the. sameclaslfic.aton,. temp.er-. b2esignation. .anb.-di.mension, The test specimen shall be in accordance with JIS Z 2201, and for the non-proportional test specimen, No.4, or 10 type sh
40、all be used, and for the proportional one, No.2 or 14A PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without lic
41、ense from IHS -,-,- 6 H 4203 : 2005 type shall be used. It shall be agreed between the manufacturer and the purchaser which of the test specimen shall be used. For the bars of which diameter is not less than 50 mm, the test specimen shall be taken from the middle between the surface and the center o
42、f the bar. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 7 H 4203 : 2005 ci $3 I
43、e - Q ES 2 3 E 3 F a o U o .i s % grl rl m m H m t - t- t- O z PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted wit
44、hout license from IHS -,-,- 8 H 4203 : 2005 3 m o U c Y G O 3 U - a m I Ld 5 N 3 W P 3 2 m N 1 E a d Ld I r: .3 PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/14/2007 08:20:
45、33 MDTNo reproduction or networking permitted without license from IHS -,-,- 9 H 4203 : 2005 A 5 J i 2 - c O .3 d E a .i .i Y m a m s PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Res
46、ale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- 10 H 4203 : 2005 r Y c a W U .i 5 a c - O Y PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie No
47、t for Resale, 03/14/2007 08:20:33 MDTNo reproduction or networking permitted without license from IHS -,-,- a u E: o-dm m ho c: 3 E m O 3 CEi u 2 P d + m cd a, Y d .3 Q, cd Y 4 cd a c cd 2 w c, E M ed .3 Y cd a , . Q H % O m * c h v % s c, 6 Fi O m h W E al 4 .d o o 5 m .3 Y o al m a, Y o, + 6 c, . 3 * d Q, a , s 9 I i cd -d c cd 2 3; o k ri cd .r( * cd o, c c Y W .d z 2 c 2 a, E a 1 ri .3 + a , k cd c 3 h v m 4 -42 c k O m h v E a , Q .3 o u q % 5 .3 * U a Q, m a 3 .d c, z a cd a 2 O I 11 H 4203 : 2005 5 cd a c cd