1、Designation:B952/B952M12B952/B952M13 Standard Specication for Zinc Alloys in Ingot Form for Spin Casting 1 This standard is issued under the xed designation B952/B952M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of l
2、ast revision.Anumber in parentheses indicates the year of last reapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval. 1. Scope* 1.1 This specication covers zinc alloys in ingot form for remelting for the manufacture of Spin Castings as specied and d
3、esignated, as shown in Table 1. Seven alloy compositions are specied, designated as follows: Common Traditional UNS Spin Casting Alloy SC-A . . Spin Casting Alloy SC-A . Z35550 Spin Casting Alloy SC-B . . Spin Casting Alloy SC-B . Z35551 Spin Casting Alloy SC-C . . Spin Casting Alloy SC-C . Z35534 S
4、pin Casting Alloy SC-D HJ10 . Spin Casting Alloy SC-D HJ10 Z35547 Spin Casting Alloy SC-E HJ20 . Spin Casting Alloy SC-E HJ20 Z35548 Spin Casting Alloy SC-F HJ40 . Spin Casting Alloy SC-F HJ40 Z35552 ZA-73 . . ZA-73 . Z36500 1.2 Zinc alloys #2, #3, #5, and ZA-8 specied in Specication B240 are also u
5、sed in the spin casting process. 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two syste
6、ms may result in non-conformance with the standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identied in the appropriate Materia
7、l Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use. 2. Referenced Documents 2.1 The following documents of the issue in effect on date of or
8、der acceptance form a part of this specication to the extent referenced herein: 2.2 ASTM Standards: 2 B240Specication for Zinc and Zinc-Aluminum (ZA) Alloys in Ingot Form for Foundry and Die Castings B899Terminology Relating to Non-ferrous Metals and Alloys B908Practice for the Use of Color Codes fo
9、r Zinc Casting Alloy Ingot B949Specication for General Requirements for Zinc and Zinc Alloy Products E29Practice for Using Signicant Digits in Test Data to Determine Conformance with Specications E88Practice for Sampling Nonferrous Metals and Alloys in Cast Form for Determination of Chemical Composi
10、tion E536Test Methods for Chemical Analysis of Zinc and Zinc Alloys E634Practice for Sampling of Zinc and Zinc Alloys by Spark Atomic Emission Spectrometry 1 This specication is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommitte
11、e B02.04 on Zinc and Cadmium. Current edition approved May 1, 2012Feb. 1, 2013. Published August 2012March 2013. Originally approved in 2007. Last previous edition approved in 20102012 as B952/B952M-10.B952/B952M12. DOI: 10.1520/B0952_B0952M-12.10.1520/B0952_B0952M-13. 2 ForreferencedASTMstandards,v
12、isittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatserviceastm.org.For Annual Book ofASTM Standards volume information, refer to the standards Document Summary page on the ASTM website. This document is not anASTM standard and is intended only to provide the user of anASTM standard an ind
13、ication of what changes have been made to the previous version. Because it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version of the standard as published by ASTM is to b
14、e considered the official document. *ASummary of Changes section appears at the end of this standard Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States 12.3 ISO Standards: 3 ISO3815-1Zinc and zinc alloysPart 1: Analysis of solid samples
15、by optical emission spectrometry ISO3815-2Zinc and zinc alloysPart 2: Analysis by inductively coupled plasma optical emission 3. Terminology 3.1 Terms shall be dened in accordance with Terminology B899. 3.2 Denitions of Terms Specic to This Standard: 3.2.1 spincasting,nacastingprocessinwhichmoltenme
16、talispouredintoarubber,polymer,graphiteormetalmoldandspun centrifugally until solidied, also a product produced by such a process. 4. Ordering Information 4.1 Orders for zinc alloy ingot under this specication shall include information as specied in Specication B949, Section 4. 5. Materials and Manu
17、facture 5.1 The alloys may be made by any approved process. 5.2 The material covered by this specication shall be of uniform quality and shall be free from dross or other harmful contamination. 6. Chemical Requirements 6.1 LimitsThe alloy shall conform to the requirements as to chemical composition
18、prescribed in Table 1. 6.2 Chemical requirement procedures shall be in compliance with the provisions of Specication B949, Section 5.2. 6.3 Methods of SamplingSampling procedures shall be in compliance with the provisions of Specication B949, Section 6. 6.4 Method of AnalysisApproved methods include
19、: Test Methods E536, ISO3815-1, or ISO3815-2. NOTE 1Test Methods E536 is directly applicable in an unmodied form, only to alloys 3, 5, and 7. ISO3815-1 and ISO3815-2 are generic methods applied to zinc and zinc alloys. Each of the methods may be modied and formatted for the alloy to be assayed.An ex
20、perienced chemist, using suitable and/or traceable standards along with valid quality assurance techniques, will be able to perform and validate the methods and demonstrate acceptable precision and accuracy. 7. Source Inspection 7.1 Source inspection shall be in compliance with the provisions of Spe
21、cication B949, Section 7. 8. Rejection and Rehearing 8.1 Claims to be considered in accordance with the provisions of Specication B949, Section 8. 9. Investigation of Claims 9.1 Claims shall be investigated in accordance with the provisions of Specication B949, Section 8. 3 Available from American N
22、ational Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org. TABLE 1 Chemical and North American Color Code Requirements Alloy SC-A Alloy SC-B Alloy SC-C ZA-73 Alloy SC-D Alloy SC-E Alloy SC-F Alloy SC-A Alloy SC-B Alloy SC-C ZA-73 Alloy SC-D Alloy SC-E Allo
23、y SC-F UNS Z35550 Z35551 Z35534 Z56500 Z35547 Z35548 Z35552 Color Code A Element B Aluminum 3.94.3 3.94.3 3.44.6 7.78.0 3.23.8 3.2-3.8 3.25-3.75 Magnesium 0.10.2 0.40.6 0.40.43 0.020.03 0.15-0.30 0.45-0.75 0.45-4.75 Copper 2.62.9 2.73.3 1.31.4 3.03.3 1.2-1.8 2.5-3.25 4.25-4.75 Iron, max 0.035 0.035
24、0.10 0.075 0.035 0.075 0.035 Lead, max 0.004 0.004 0.015 0.005 0.004 0.005 0.004 Cadmium, max 0.0030 0.0030 0.005 0.003 0.003 0.003 0.003 Tin, max 0.0015 0.0015 0.005 0.002 0.002 0.003 0.002 Nickel, max . . 0.02 . . . . 0.02 . . . Zinc Remainder Remainder Remainder Remainder Remainder Remainder Rema
25、inder A Per Practice B908. B For purposes of acceptance and rejection, the observed value or calculated value obtained from analysis should be rounded to the nearest unit in the last right-hand place of gures, used in expressing the specic limit in accordance with the rounding procedure prescribed i
26、n Practice E29. B952/B952M13 210. Settlement of Claims 10.1 Claims shall be settled in accordance with the provisions of Specication B949, Section 8. 11. Product Identication Marking and Packaging 11.1 Eachslab,block,jumbooringotshallbemarkedforidenticationinaccordancewiththeprovisionsofSpecicationB
27、949, Section 10. 12. Preparation for Delivery 12.1 PackagingUnlessotherwisespecied,theingotshallbepackagedtoprovideadequateprotectionduringnormalhandling and transportation. Each package shall contain only one alloy unless otherwise agreed upon. 13. Keywords 13.1 casting;castingalloys;centrifugicalc
28、asting;prototyping;rubbermold;SC-A;SC-B;SC-C;siliconmold;spincasting;ZA alloys; Zamak; ZA-73; zinc; zinc-aluminum alloys SUMMARY OF CHANGES Committee B02 has identied the location of selected changes to this standard since the last issue (B952/B952M 12) that may impact the use of this standard. (App
29、roved February 1, 2013.) (1)UNS numbers were added. SUMMARY OF CHANGES Committee B02 has identied the location of selected changes to this standard since the last issue (B952/B952M-10B952/B952M10) that may impact the use of this standard. (Approved May 1, 2012May 1, 2012.).) (1)Revisions have been m
30、ade to Sections 2, 4, 6, 7, 8, 9, 10, and 11 to reference Specication B949 and delete certain portions of these sections formerly a part of this standard. (2)ThetitlesofSections7and9havebeenrevisedtobeinagreementwithastandardformatforSubcommitteeB02.04standards. ASTM International takes no position
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