1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA
2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any
3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ISBN 978-0-626-22414-1 SANS 138:2009 Edition 1.1 Any reference to SABS 138 is deemed to be a reference to this standard (Government Notice No. 1373 of 8
4、November 2002)SOUTH AFRICAN NATIONAL STANDARD Resin cored solders (highly activated) Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS This standard may only be used and printed by approved s
5、ubscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 Table of changes Change No. Date Scope Amdt 1 2009 Amended to change the designation of SABS standards to SANS standards and to remove reference to the standardization mark scheme. Acknowledgement The SABS Standards Division w
6、ishes to acknowledge the valuable assistance derived from publications of the following organizations: American Society for Testing of Materials British Standards Institution Deutscher Normenausschus Federal Supply Service, General Services Administration, USA Foreword This South African standard wa
7、s approved by National Committee SABS TC 1078, Engineering materials Non-ferrous metals, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This document was published in February 2009. This document supersedes SABS 138:1971 (edition 1)
8、. A vertical line in the margin shows where the text has been technically modified by amendment No. 1. This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 1 Contents Page Acknowledgement Foreword 1 Scope . 3 2 Definitions
9、3 3 Requirements . 3 4 Packing and marking . 7 5 Sampling and compliance with the specification . 7 6 Inspection and methods of test 7 7 Methods of analysis and determination of flux content 7 Appendix A Notes to purchasers . 8 This standard may only be used and printed by approved subscription and
10、freemailing clients of the SABS.SANS 138:2009 Edition 1.1 2 This page is intentionally left blank This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 3 Resin cored solders (highly activated) 1 Scope 1.1 This specification
11、covers soft solders (in the form of wire or ribbon) containing one or more cores of highly activated flux. NOTE a) Requirements that must be specified by the purchaser are listed in appendix A. b) Provision of the sample required in terms of 5.1.1 (for assessing compliance with the requirements for
12、the resistance of flux residues) requires special agreement between supplier and purchaser. Amdt 1 2 Definitions 2.1 For the purposes of this specification the definitions for “batch”, ”defective”, and “lot” of SANS 137 shall apply. 3 Requirements 3.1 Composition of the solder alloy Except as allowe
13、d for in terms of the Note below, the alloy shall be one of the grades given in tables 1, 2, 3, 4, and 5, as specified by the purchaser, and its composition, determined in accordance with 7.2, shall comply with the appropriate values given in the relevant table. NOTE Grades of tin-lead solder other
14、than those given in table 1 may be supplied if so required by the purchaser. For any such grade the tin content shall be within 0,5 per cent of the value specified by the purchaser, and the requirements for other elements shall be as given in table 1 for the grade that has the nearest (higher) tin c
15、ontent. This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 4 Table 1 Tin-lead solders 1 2 3 4 5 6 7 Composition SABS grade % Sn Cu Sb Type 3, highly activated ISO designation Min. Max. Max. Max. Other elements* Pb 63T-3 6
16、0T-3 50T-3 Sn-Pb37 Sn-Pb40 Sn-Pb50 62,5 59,0 49,0 63,5 60,0 50,0 0,05 0,10 0,10 0,10 0,15 0,15 ) ) ) 40T-3 30T-3 20T-3 Pb-Sn40 Pb-Sn30 Pb-Sn20 39,0 29,0 19,0 40,0 30,0 20,0 0,10 0,10 0,10 0,15 0,15 0,15 ) ) ) Remainder * The total of other impurity elements shall not exceed 0,20 per cent, and the co
17、ntents of individual impurity elements shall not exceed the following: Element Contents, per cent, max. Bi . As Fe 0,10 0,05 0,02 Al + Zn + Cd Sum of other deleterious elements 0,002 0,08 Table 2 Tin-lead solders containing copper 1 2 3 4 5 6 Composition SABS grade % Sn Cu Type 3, highly activated I
18、SO designation Min. Max. Min. Max. Other elements* Pb 60YA-3 60YB-3 50Y-3 Sn-Pb38Cu2 Sn-Pb40Cu Sn-Pb48Cu1 59,0 59,0 49,0 60,0 60,0 50,0 1,6 0,1 1,2 2,0 0,3 1,6 ) ) ) Remainder * The total of impurity elements shall not exceed 0,20 per cent, and the contents of individual impurity elements shall not
19、exceed the following: Element Contents, per cent, max. Sb . Bi . Fe As 0,15 0,10 0,02 0,05 Al + Zn + Cd Sum of other deleterious elements 0,002 0,08 This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 5 Table 3 Tin-lead so
20、lders containing silver 1 2 3 4 5 6 7 Composition SABS grade % Sn Ag Other elements Sb Total* Type 3, highly activated ISO designation Min. Max. Min. Max. Max. Max. Pb 63Z-3 60Z-3 50Z-3 Sn-Pb35Ag2 Sn-Pb36Ag4 Sn-Pb46Ag4 62,5 59,0 49,0 63,5 60,0 50,0 1,3 3,0 3,0 2,0 4,0 4,0 0,10 0,15 0,15 ) ) ) 5Z-3 1
21、Z-3 Pb-Sn5Ag2 Pb-Sn1Ag2 4,70 1,0 5,30 1,5 1,4 1,4 1,6 1,6 0,15 0,15 ) ) Remainder * The total of impurity elements, including antimony, shall not exceed 0,25 per cent, and the contents of individual impurity elements shall not exceed the following: Element Contents, per cent, max. Cu . As . Fe . 0,0
22、5 0,05 0,02 Al + Zn + Cd . Sum of other deleterious elements . 0,002 0,08 Table 4 Tin solders 1 2 3 4 5 6 Composition SABS grade % Sn Sb Cu Type 3, highly activated ISO designation Min. Max. Min. Max. Max. Other elements* 100X-3 95X-3 Sn Sn-Sb5 99,7 94,5 95,5 4,75 0,10 5,25 0,10 0,05 * The total of
23、other impurity elements shall not exceed 0,30 per cent and the contents of individual impurity elements shall not exceed the following: Element Contents, per cent, max. Pb Bi As . Fe .0,07 0,20 0,05 0,02 Al + Zn + Cd . Sum of other deleterious elements 0,002 0,08 This standard may only be used and p
24、rinted by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 6 Table 5 Antimonial tin-lead solders 1 2 3 4 5 6 Composition SABS grade % Sn Sb Type 3, highly activated ISO designation Min. Max. Min. Max. Other elements* Pb 14W-3 12W-3 Pb-Sn14Sb Pb-Sn12Sb 14,0 11,5 15,
25、0 12,5 0,2 0,2 0,7 0,7 ) ) Remainder * The total of impurity elements shall not exceed 0,30 per cent, and the contents of individual impurity elements shall not exceed the following: Element Contents, per cent, max. Bi . Cu As 0,10 0,10 0,05 Fe Al + Zn + Cd Sum of other deleterious elements 0,02 0,0
26、02 0,08 3.2 Flux 3.2.1 Type The flux shall be a suitable resin containing highly activating material and of uniform composition. 3.2.2 Resistance of flux residues The requirements of subsection 3.2.2 of SANS 137 shall apply. 3.3 Size 3.3.1 Wire The nominal size of the wire shall be as specified by t
27、he purchaser and shall, preferably, be one of the sizes given in table 6. NOTE When a size not given in table 6 is specified by the purchaser, the tolerances applicable to the nearest size given in table 6 shall apply. Table 6 Wire diameters 1 2 3 4 5 6 7 8 9 10 11 Diameter mm 3,15 2,50 2,24 2,00 1,
28、60 1,25 1,00 0,90 0,71 0,50 Tolerance mm 0,05 0,03 3.3.2 Ribbon The size of the ribbon and the tolerances on width and thickness shall be as specified by the purchaser. This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 7
29、 3.4 Flux content The requirements of subsection 3.4 of SANS 137 shall apply. 3.5 Spreading value (not applicable to SABS grades 5Z-3, 1Z-3, 14W-3, and 12W-3) The spreading value, determined in accordance with 6.2, of solder shall be at least 110 mm 2 . 3.6 Setting of residues The requirements of su
30、bsection 3.8 of SANS 137 shall apply. 3.7 Freedom from toxicity The requirements of subsection 3.9 of SANS 137 shall apply. 3.8 Finish The requirements of subsection 3.10 of SANS 137 shall apply. 4 Packing and marking The requirements of section 4 of SANS 137 shall apply. 5 Sampling and compliance w
31、ith the specification 1)5.1 Sampling The procedure given in subsection 5.1 of SANS 137 shall be used. 5.2 Compliance with the specification The criteria given in subsection 5.2 of SANS 137 shall apply. 6 Inspection and methods of test 6.1 Inspection Inspect the samples taken in accordance with 5.1 f
32、or compliance with the requirements of 3.3, 3.8, and section 4. 6.2 Methods of test Use the relevant methods given in section 6 of SANS 137. 7 Methods of analysis and determination of flux content Use the methods given in section 7 of SANS 137. 1) This section applies to the sampling for inspection
33、and testing before acceptance or rejection of single lots (consignments) in cases where no information about the implementation of quality control or testing during manufacture is available to help in assessing the quality of the lot. It is also used as the procedure for adjudicating in cases of dis
34、pute. This standard may only be used and printed by approved subscription and freemailing clients of the SABS.SANS 138:2009 Edition 1.1 8 Appendix A Notes to purchasers The following requirements must be specified in tender invitations and in the order or contract: a) The grade (see 3.1) b) The nomi
35、nal size and, in the case of solder in ribbon form, the tolerances (see 3.3) c) When relevant, that bulk containers need not bear the specified markings (see subsection 4.2.2 of SANS 137) SABS This standard may only be used and printed by approved subscription and freemailing clients of the SABS. SA
36、BS Standards Division The objective of the SABS Standards Division is to develop, promote and maintain South African National Standards. This objective is incorporated in the Standards Act, 2008 (Act No. 8 of 2008). Amendments and Revisions South African National Standards are updated by amendment o
37、r revision. Users of South African National Standards should ensure that they possess the latest amendments or editions. The SABS continuously strives to improve the quality of its products and services and would therefore be grateful if anyone finding an inaccuracy or ambiguity while using this sta
38、ndard would inform the secretary of the technical committee responsible, the identity of which can be found in the foreword. Tel: +27 (0) 12 428 6666 Fax: +27 (0) 12 428 6928 The SABS offers an individual notification service, which ensures that subscribers automatically receive notification regardi
39、ng amendments and revisions to South African National Standards. Tel: +27 (0) 12 428 6883 Fax: +27 (0) 12 428 6928 E-mail: salessabs.co.za Buying Standards Contact the Sales Office for South African and international standards, which are available in both electronic and hardcopy format. Tel: +27 (0)
40、 12 428 6883 Fax: +27 (0) 12 428 6928 E-mail: salessabs.co.za South African National Standards are also available online from the SABS website http:/www.sabs.co.za Information on Standards The Standards Information Centre provides a wide range of standards-related information on both national and in
41、ternational standards, and is the official WTO/TBT enquiry point for South Africa. The Centre also offers an individual updating service called INFOPLUS, which ensures that subscribers automatically receive notification regarding amendments to, and revisions of, international standards. Tel: +27 (0)
42、 12 428 6666 Fax: +27 (0) 12 428 6928 E-mail: infosabs.co.za Copyright The copyright in a South African National Standard or any other publication published by the SABS Standards Division vests in the SABS. Unless exemption has been granted, no extract may be reproduced, stored in a retrieval system
43、 or transmitted in any form or by any means without prior written permission from the SABS Standards Division. This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used
44、for any purpose other than implementation, prior written permission must be obtained. Details and advice can be obtained from the Senior Manager. Tel: +27 (0) 12 428 6666 Fax: +27 (0) 12 428 6928 E-mail: infosabs.co.za This standard may only be used and printed by approved subscription and freemailing clients of the SABS.
