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1、J IS JAPANESE INDUSTRIAL STANDARD Translated and Published by Japanese Standards Association Classification of magnesium and magnesium alloy scraps ICs 77.120.20 Reference number : JIS H 2120 : 2002 (E) PROTECTED BY COPYRIGHT 7s Copyright Japanese Standards Association Provided by IHS under license
2、with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from IHS -,-,- H 2120 : 2002 Foreword This translation has been made based on the original Japanese Industrial Standard established by the Minis
3、ter of Economy, Trade and Industry through deliberations at the Japanese Industrial Standards Committee according to the proposal of establishing a Japanese Industrial Standard from the Japan Magnesium Association (JMA) /the Japanese Standards Association (JSA), with a draft of Industrial Standard b
4、ased on the provision of Article 12 Clause 1 of the Industrial Standardization Law. Date of Establishment: 2002-08-20 Date of Public Notice in Official Gazette: 2002-08-20 Investigated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Non-Ferrous Metals JIS H 2120 :
5、2002, First English edition published in 2003-05 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 2003 All rights reserved. Unless
6、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 permission in writing from the publisher. Printed in Japan PROTECTED BY COPYRIGHT Copyright Japanese Standards Associati
7、on Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from IHS -,-,- H 2120 : 2002 Contents Page Scope Normative references Definitions Classification and symbols Pr
8、operty . Analytical test Inspection Marking . PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from
9、 IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS H 2120 : 2002 Classification of magnesium and magnesium alloy scraps 1 sium and magnesium alloy scraps. Scope This Japanese Industrial Standard specifies the classification of magne- 2 Normative references The following standards contain provisions which,
10、through reference in this Standard, constitute provisions of this Standard. The most recent editions of the standards (including amendments) indicated below shall be applied. JIS H 1322 JIS H 1331 JIS H 1332 JIS H 1333 JIS H 1334 JIS H 1335 JIS H 1336 JIS H 1337 JIS H 1338 JIS H 1339 JIS H 1340 JIS
11、H 1341 JIS H 1345 JIS H 2150 JIS H 2221 JIS H 2222 JIS H 4201 JIS H 4202 JIS H 4203 JIS H 4204 JIS H 5203 JIS H 5303 JIS H 6125 Method for emission spectrochemical analysis of magnesium ingot General rules for chemical analysis of magnesium alloys Methods for determination of aluminium in magnesium
12、and magne- sium alloys Methods for determination of zinc in magnesium and magnesium alloys Methods for determination of manganese in magnesium and magne- sium alloys Methods for determination of silicon in magnesium and magnesium alloys Methods for determination of copper in magnesium and magnesium
13、alloys Method for determination of nickel in magnesium und magnesium alloys Methods for determination of iron in magnesium and magnesium alloys Methods for determination of beryllium in magnesium alloys Method for determination of zirconium in magnesium alloys Method for determination of calcium in
14、magnesium alloys Method for determination of rare earths in magnesium alloys Magnesium ingots Magnesium alloy ingots for castings Magnesium alloy ingots for die castings Magnesium alloy sheet and plates Magnesium alloy seamless pipes and tubes Magnesium alloy bars Magnesium alloy extruded shapes Mag
15、nesium alloy castings Magnesium alloy die castings Magnesium galvanic anodes for cathodic protection PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo re
16、production or networking permitted without license from IHS -,-,- 2 H 2120 : 2002 IS0 121 Magnesium-aluminium-zinc alloy ingots and alloy castings-Chemical composition, and mechanical properties of sand cast reference test burs IS0 3 115 Casting in magnesium alloys containing zirconium-Chemical comp
17、o- sition and mechanical properties IS0 3116 Magnesium and magnesium alloys-Wrought magnesium alloys IS0 8287 Magnesium and magnesium alloys-Unalloyed magnesium-Chemical composition 3 Definitions For the purpose of this Standard, the following definitions apply: nonstandardized alloy The magnesium a
18、lloy not being conformed to the nor- mative references specified in 2, in which one or more classes among calcium, strontium, and rare earth element (rare earths) are included. different material The magnesium or magnesium alloy which is not conformed to the respective classes of “property” specifie
19、d in 5, and is not classified by every alloy kind. foreign matters The matters other than magnesium and magnesium alloy. new scraps The scraps produced in casting process and plasticizing process, or the scraps produced in after their process. old scraps The scraps disused after passed through essen
20、tial uses. dross The scum rising to the upper surface of melt in smelting process. metal sludge ing process. trimming material The unnecessary portion cut out from product in casting process and plasticizing process. The settlement precipitated at the lower part of melt in smelt- 4 Classification an
21、d symbols The classification and symbols of magnesium and magnesium alloy scraps shall be subjected to Table 1. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:
22、45 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 H 2120 : 2002 Table 1 Classification and symbols Classification Pure magnesium Magnesium scrap Grade 1 Magnesium scrap Grade 2 Classified (l) magnesium alloy new scrap Grade 1 Classified(l) magnesium alloy new scrap Grade
23、 2 Classified (l) magnesium alloy new scrap Grade 3 Classified (l) magnesium alloy new scrap Grade 4 Classified (l) magnesium alloy old scrap Grade 1 Classified (l) magnesium alloy old scrap Grade 2 Magnesium alloy - old scrap Grade 3 Classified (I) magnesium alloy - new scrap Grade 1 Classified (1
24、magnesium alloy new scrap Grade 2 Classified (l) magnesium alloy new scrap Grade 3 Classified (l) magnesium alloy new scrap Grade 4 Classified (l) magnesium alloy - old scrap Grade 1 Magnesium alloy casting old scrap Grade 2 Classified (l) magnesium alloy new scrap Grade 1 Classified (l) magnesium a
25、lloy new scrap Grade 2 Classified (l) magnesium alloy old scrap Grade 1 Magnesium alloy malleable material old scrap Grade 2 Classified (l) dry cutting chip Classified (l) chip by using water insoluble cutting oil Classified (l) chip by using water soluble cutting oil Shredder chip Dross Metal sludg
26、e Die casting and injection moulding product Casting (except die casting and injection moulding product) Malleable material Chip Others (informative) Symbols M- 1 M-2 MDA-1 MDA-2 MDA-3 MDA-4 MDB-1 MDB-2 MDB-3 MCA-II MCA-2 MCA-3 MCA-4 MCB-1 MCB-2 MWA-1 MWA-2 MWB- 1 MWB-2 MKD MKU MKW MSS MOD MOS Note
27、(1) The classification mentioned herein means the class of alloy specified in the product standard for mag- nesium alloy (see 2 Normative references) and the nonstandard alloy corresponding to the above. 5 Property The property of magnesium and magnesium alloy scraps shall be sub- jected to Table 2.
28、 PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 H 2120 : 2002 Table 2 Property C
29、lassification 1 Symbol 1 Property Pure magnesium It shall be conformed to JIS H 2150 and IS0 8287. Not less than 99.90 % in magnesium shall be con- IM-l 1 tained. Magnesium scrap Grade 1 Not less than 99.8 % in magnesium shall be con- lM-2 I tained. Magnesium scrap Grade 2 Die casting and injection
30、moulding products These shall be conformed to JIS H 2222, JIS H 5303 and IS0 121, or shall be corresponded to those. Classified(1) magnesium alloy new scrap Grade 1 Classified(1) magnesium alloy new scrap Grade 2 Classified (1) magnesium alloy new scrap Grade 3 Classified (1) magnesium alloy new scr
31、ap Grade 4 MDA-1 MDA-2 MDA-3 MDA-4 Defectives and trimming material of the same al- loy class produced in die casting and injection moulding process. Not to be corroded. Not to be painted, and to be free from foreign mat- ters. Not less than 95 % in yield of regeneration. Remarks: It shall not be mi
32、xed with different material except the same alloy class. Defectives and trimming material of the same al- loy class produced in die casting, injection moul- ding process and processing process, which do not correspond to MDA-1. Not to be painted, or not to contain foreign mat- ters. Not less than 93
33、 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. Defectives and trimming material of the same al- loy class produced in die casting, injection moul- ding process and processing process. Not to contain metallic element except alloy ele-
34、ments in paint, and to be free from foreign mat- ters. Not less than 80 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. Defectives of the same alloy class produced from die casting, injection moulding process and process- ing process an
35、d attached with insert. Not contain- ing copper or nickel in insert. Remarks 1 It shall not be mixed with different material except the same alloy class. 2 It shall not be mixed with different material except insert, PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS und
36、er license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 H 2120 : 2002 Table 2 (continued) Classification I (1) magnesium alloy old scrap Grade 1 Classified (I) magnesium al
37、loy old scrap Grade 2 Magnesium alloy old scrap Grade 3 Symbol MDB-1 MDB-2 MDB-3 Property Recovered scrap in the city of the same alloy class of die casting and injection moulding product. Not to be painted, and to be free from foreign mat- ters. Not less than 93 % in yield of regeneration. Remarks:
38、 It shall not be mixed with different material except the same alloy class. Recovered scrap in the city of the same alloy class of die casting and injection moulding product. Not containing metallic element in paint except alloy elements free from foreign matters. Not less than 80 % in yield of rege
39、neration, Remarks: It shall not be mixed with different material except the same alloy class. Recovered scrap in the city of die casting and in- jection moulding product not clear in alloy class. Free from foreign matters. Casting (except die casting and injection moulding product) These shall be co
40、nformed to JIS H 2221, JIS H 5203, JIS H 6125, IS0 121 and IS0 3115, or shall be corresponded to those. Classified (1) magnesium alloy new scrap Grade 1 (1) magnesium alloy new scrap Grade 2 Classified (1) magnesium alloy new scrap Grade 3 MCA-1 MCA-2 MCA-3 Defectives and trimming material of the sa
41、me al- loy class produced in casting process. Not to be corroded. Not to be painted, and to be free Srom foreign mat- ters. Not less than 95 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. Defectives and trimming material of the same al
42、- loy class produced in casting process and process- ing process, which do not correspond to MCA-1. Not to be painted, and to be free from foreign mat- ters. Not less than 93 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. That of the s
43、ame alloy class produced in casting process and processing process. Not to contain metallic element except alloy ele- ments in paint. Free from foreign matters. Not less than 80 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. PROTECTED
44、BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/12/2007 20:53:45 MDTNo reproduction or networking permitted without license from IHS -,-,- 6 H 2120 : 2002 Table 2 (continued) I Classif
45、ication Classified (1) magnesium alloy new scrap Grade 4 Classified(1) magnesium alloy old scrap Grade 1 Magnesium alloy casting old scrap Grade 2 Symbol MCA-4 MCB-1 MCB-2 Pr Oper ty Defectives of the same alloy class produced in casting process and processing process, and at- tached with insert. No
46、t to contain copper and nickel in insert. Remarks 1 It shall not be mixed with different material except the same alloy class. 2 It shall not be mixed with different material except insert. Recovered scrap in the city of the same alloy class of casting product free from foreign matters. Not less tha
47、n 80 % in yield of regeneration. Remarks: It shall not be mixed with different material except the same alloy class. Recovered scrap in the city of casting products not clear in alloy class. Attached with insert. Not to contain copper or nickel in insert. Remarks: It shall not be mixed with differen
48、t material except insert. Malleable material These shall be conformed to JIS H 4201, JIS H 4202, JIS H 4203, JIS H 4204 and IS0 3116, or shall correspond to those. Classified(1) magnesium alloy new scrap Grade 1 Classified(1) magnesium alloy new scrap Grade 2 Classified (1) magnesium alloy old scrap Grade 1 MWA- 1 MWA-2 MWB-1 Defectives and trimming material of the same al- loy class produced in manufacturing process and processing process. Not to be corroded. Not to be painted, and to be free from foreign mat- ters. Not less than 95 % in