1、Designation:B96012B96013 Standard Specication for Prime Western Grade-Recycled (PWG-R) Zinc 1 This standard is issued under the xed designation B960; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.Anumbe
2、r 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 prime western grade-recycled (PWG-R) zinc made by recycling zinc secondary materials including but not limited to
3、 drosses and skimmings. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This standard does not purport to address all of the
4、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 Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriat
5、e safety and health practices, and determine the applicability of regulatory limitations prior to use. 2. Referenced Documents 2.1 Thefollowingdocumentsoftheissueineffectonthedateofmaterialpurchaseformapartofthisspecicationtotheextent referenced herein. 2.2 ASTM Standards: 2 B6Specication for Zinc B
6、897Specication for Conguration of Zinc and Zinc Alloy Jumbo Block and Half Block Ingot B899Terminology Relating to Non-ferrous Metals and Alloys B914Practice for Color Codes on Zinc and Zinc Alloy Ingot for Use in Hot-Dip Galvanizing of Steel B949Specication for General Requirements for Zinc and Zin
7、c 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 Composition E527Practice for Numbering Metals and Alloys in the Unied Numbering System (UNS
8、) E536Test Methods for Chemical Analysis of Zinc and Zinc Alloys 2.3 ISO Standards: 3 ISO 3815-1Zinc and zinc alloysPart 1: Analysis of solid samples by optical emission spectrometry ISO 3815-2Zinc and zinc alloysPart 2: Analysis by inductively coupled plasma optical emission spectrometry 3. Termino
9、logy 3.1 Terms shall be dened in accordance with Terminology B899. 3.2 Denitions of Terms Specic to This Standard: 3.2.1 Prime Western Grade-Recycled, na grade of zinc containing 0.5 to 1.4% lead, a minimum or 98.5% zinc, with controlled impurity levels as specied in Table 1 made by recycling zinc s
10、econdary materials. 3.3 Abbreviations: 3.3.1 PWG-RPrime Western Grade-Recycled Zinc 1 This specication is under the jurisdiction ofASTM Committee B02 on Nonferrous Metals andAlloys and is the direct responsibility of Subcommittee B02.04 on Zinc and Cadmium. Current edition approved May 1, 2012Feb. 1
11、, 2013. Published August 2012March 2013. Originally approved in 2008. Last previous edition approved in 20082012 as B960-08.B960 12. DOI: 10.1520/B0960-12.10.1520/B0960-13. 2 ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatserviceastm.org.For Annual Book ofA
12、STM Standards volume information, refer to the standards Document Summary page on the ASTM website. 3 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org. This document is not anASTM standard and is intended only to provide t
13、he user of anASTM standard an indication 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 stan
14、dard as published by ASTM is to be considered the official document. *A Summary of Changes section appears at the end of this standard Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959. United States 14. Ordering Information 4.1 Orders for zinc alloy i
15、ngot under this specication shall include information as specied in Specication B949, Section 4. 5. Materials and Manufacture 5.1 The manufacturer shall use care to have each lot of zinc metal be as uniform in quality as possible. 6. Chemical Composition 6.1 The zinc metal shall conform to the requi
16、rements prescribed in Table 1. 7. Sizes and Shapes 7.1 Slabs varying in weight from 40 to 60 pounds (18 to 27 kg) are all considered standard slabs. 7.2 PWG-R Zinc metal may be ordered in jumbos or blocks as specied in Specication B897. 7.3 Other shapes and sizes as may be agreed upon between the pr
17、oducer and the customer if they are cast to the chemical composition requirements prescribed in Table 1. 8. Appearance 8.1 The PWG-R Zinc metal shall be reasonably free of surface corrosion and adhering foreign material. 9. Sampling for Chemical Analysis 9.1 Sampling procedures shall be in complianc
18、e with the provisions of Specication B949, Section 6. 10. Methods of Chemical Analysis 10.1 The chemical compositions enumerated in this specication shall, in case of disagreement, be determined by the methods mutually agreed upon and approved for referee purposes by Test Methods E536, ISO 3815-1, o
19、r ISO 3815-2. TABLE 1 Chemical Requirements NOTE1Thefollowingappliestoallspeciedlimitsinthistable:Forpurposesofdeterminingconformancewiththisspecication,anobservedvalue obtainedfromanalysisshallberoundedofftothenearestunitinthelastright-handplaceofguresusedinexpressingthelimitingvalue,inaccordance w
20、ith the rounding method of Practice E29. Composition, % A Grade (UNS) B Color Code C Lead Iron max Cadmimum max Aluminum max Copper max Total Non-Zinc max D Zinc, min. by difference Prime Western Grade- Recycled, (PWG-R) (Z18004) Black 0.51.4 0.05 0.20 0.01 0.10 1.5 98.5 TABLE 1 Chemical Requirement
21、s NOTE1Thefollowingappliestoallspeciedlimitsinthistable:Forpurposesofdeterminingconformancewiththisspecication,anobservedvalue obtainedfromanalysisshallberoundedofftothenearestunitinthelastright-handplaceofguresusedinexpressingthelimitingvalue,inaccordance with the rounding method of Practice E29. C
22、omposition, % A Grade (UNS) B Color Code C Lead Iron max Cadmimum max Aluminum max Copper max Total Non-Zinc max D Zinc, min. by difference Prime Western Grade- Recycled, (PWG-R) (Z18005) Black 0.51.4 0.05 0.20 0.01 0.10 1.5 98.5 A This composition will remain the same as specied in B6 for Prime Wes
23、tern Grade. B UNS designations were established in accordance with Practice E527. C Refer to Practice B914. D PWG-RmaycontainsmallamountsofBi,Ni,andSnwhichcouldaffectthegalvanizingprocessorproduct.Themaximumlimitsfortheseelementsmaybeagreedupon by written agreement between the producer and consumer.
24、 B96013 2NOTE1TestMethodsE536isdirectlyapplicable,inanunmodiedform,onlytoalloys3,5,and7.ISO3815-1andISO3815-2aregenericmethods applied to zinc and zinc alloys. Each of the methods may be modied and formatted for the alloy to be assayed.An experienced chemist, using suitable and/or traceable standard
25、s along with valid quality assurance techniques, will be able to perform and validate the methods and demonstrate acceptable precision and accuracy. 11. Rejection and Rehearing 11.1 Claims to be considered in accordance with the provisions of Specication B949, Section 8. 12. Investigation of Claims
26、12.1 Claims shall be investigated in accordance with the provisions of Specication B949, Section 8. 13. Settlement of Claims 13.1 Claims shall be settled in accordance with the provisions of Specication B949, Section 8. 14. Product Identication Marking and Packaging 14.1 Each slab, block, jumbo, or
27、ingot shall be marked for identication in accordance with Specication B949, Section 10. 15. Keywords 15.1 prime western grade-recycled zinc; prime western zinc; PWG-R; recycled zinc; secondary zinc; zinc; zinc metal SUMMARY OF CHANGES CommitteeB02hasidentiedthelocationofselectedchangestothisstandard
28、sincethelastissue(B96012) that may impact the use of this standard. (Approved 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 (B960-08B96008) that may impact the use of this standard. (
29、Approved May 1, 2012.) (1)Revisions have been made to Sections 2, 4, 9, 11, 12, 13 and 14 to reference Specication B949 and delete certain portions of these sections formerly a part of this standard. (2)ThetitlesofSections4and14havebeenrevisedtobeinagreementwithastandardformatforSubcommitteeB02.04st
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33、ss shown below. This standard is copyrighted byASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA19428-2959, United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website (www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/ COPYRIGHT/). B96013 3
