1、Designation:B89410(Reapproved 2015)Standard Specification forACuZinc51(Zinc-Copper-Aluminum)Alloy Die Castings2This standard is issued under the fixed designation B894;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last
2、revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers ACuZinc5,zinc-copper-aluminum alloy die castings.(UNS Z46541).31.2 The values stated in SI units are t
3、o be regarded asstandard.No other units of measurement are included in thisstandard.1.3 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to become familiarwith all hazards including those identifie
4、d in the appropriateMaterial Safety Data Sheet(MSDS)for this product/materialas provided by the manufacturer,to establish appropriatesafety and health practices,and determine the applicability ofregulatory limitations prior to use.2.Referenced Documents2.1 The following documents of the issue in eff
5、ect on dateof order acceptable form a part of this specification to theextent referenced herein:2.2 ASTM Standards:4B892 Specification for ACuZinc5B899 Terminology Relating to Non-ferrous Metals and Al-loysB949 Specification for General Requirements for Zinc andZinc Alloy ProductsE10 Test Method for
6、 Brinell Hardness of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE527 Practice for Numbering Metals and Alloys in theUnified Numbering System(UNS)E536 Test Methods for Chemical Analysis of Zinc and ZincAlloys2.3 Federal Standard
7、s:5Fed.Std.No.123 Marking for Shipment(Civil Agencies)2.4 ISO Standards:6ISO 3815-1 Zinc and zinc alloys Part 1:Analysis of solidsamples by optical emission spectrometryISO 3815-2 Zinc and zinc alloys Part 2:Analysis byinductively coupled plasma optical emission spectrometry2.5 Military Standard:7MI
8、L-P-116 Methods of PreservationMIL-STD-129 Marking for Shipment and Storage2.6 NADCA Standard:8NADCA Product Specification Standards for Die Castings3.Terminology3.1 Terms shall be defined in accordance with TerminologyB899.3.2 Definitions of Terms Specific to This Standard:3.2.1 die casting,na cast
9、ing process in which moltenmetal is injected under high velocity and pressure into a metaldie and solidified,also a product produced by such a process.Alternately known as pressure die casting.4.Ordering Information4.1 Orders for die castings shall include the following basicinformation in addition
10、to the information specified in Speci-fication B949,Section 4:4.1.1 Part name and number,4.1.2 Alloy(Table 1),and4.1.3 Drawing of die casting,when required,giving allnecessary dimensions and showing latest revisions and allow-ances for machining,if any.Location of ejector pin marks or1ACuZinc and AC
11、uZinc5 are registered trade names of the General MotorsCorporation.2This specification is under the jurisdiction of ASTM Committee B02 onNonferrous Metals and Alloys and is the direct responsibility of SubcommitteeB02.04 on Zinc and Cadmium.Current edition approved May 1,2015.Published May 2015.Orig
12、inallyapproved in 1999.Last previous edition approved in 2010 as B894 101.DOI:10.1520/B0894-10R15.3See Footnote B in Table 1.4For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer
13、 to the standards Document Summary page onthe ASTM website.5Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http:/www.access.gpo.gov.6Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,Ne
14、w York,NY 10036,http:/www.ansi.org.7Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/www.dodssp.daps.mil.8Available from North American Die Casting Association 241 Holbrook DrWheeling,Illinois 60090-5809,http:/www.diecasting.or
15、g.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 parting lines shall be at the option of the producer,unlessspecifically designated on the drawing.4.2 Additional tests,opti
16、ons and special inspection require-ments as provided below should be justified only on the basisof need.These shall be specified in the contract or purchaseorder,as additional procedures and extended delivery time maybe involved.4.2.1 Chemical analysis(7.1.1),4.2.2 Quality assurance(Section 6),4.2.3 Special proof tests or mechanical properties(Section8),4.2.4 General quality options for internal soundness or forfinish(Section 10),4.2.5 Source inspection(Section 11),4.2.6 Certification(Section 13
