1、Designation: B85/B85M 181Standard Specification forAluminum-Alloy Die Castings1This standard is issued under the fixed designation B85/B85M; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in par
2、entheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1NOTEFootnote C of Table X2.2 was revised editorially in August 2018.1. Sc
3、ope*1.1 This specification covers aluminum-alloy die castingsdesignated as shown in Table 1.1.2 This specification is for aluminum-alloy die castingsused in general purpose applications. It may not address themechanical properties, integrity testing, and verification re-quired for highly loaded or s
4、afety critical applications.1.3 Alloy and temper designations are in accordance withANSI H35.1/H35.1(M).1.4 Unless the order specifies the “M” specificationdesignation, the material shall be furnished to the inch-poundunits.1.5 For acceptance criteria for inclusion of new aluminumand aluminum alloys
5、 and their properties in this specification,see Annex A1 and Annex A2.1.6 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. Thevalues stated in each system may not be exact equivalents;therefore, each system shall be used independently of the ot
6、her.Combining values from the two systems may result in non-conformance with the standard.1.7 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 establish appro-priate safety, health, and envir
7、onmental practices and deter-mine the applicability of regulatory limitations prior to use.1.8 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standar
8、ds, Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 The following documents of the issue in effect on dateof order acceptance form a part of this specification to theextent referenced herein:2.2 ASTM Standards:2
9、B179 Specification for Aluminum Alloys in Ingot and Mol-ten Forms for Castings from All Casting ProcessesB275 Practice for Codification of Certain Zinc, Tin and LeadDie CastingsB557 Test Methods for Tension Testing Wrought and CastAluminum- and Magnesium-Alloy ProductsB557M Test Methods for Tension
10、Testing Wrought and CastAluminum- and Magnesium-Alloy Products (Metric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB666/B666M Practice for Identification Marking of Alumi-num and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB985 Pract
11、ice for Sampling Aluminum Ingots, Billets, Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisD3951 Practice for Commercial PackagingE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE23 Test Methods for Notched Bar Impact Testing of Me-tallic Mate
12、rialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base Alloys (Withdrawn 2017)3E505 Reference Radiographs for Inspection of Aluminumand Magnesium Die CastingsE607 Test Method for Atomi
13、c Emission Spectrometric1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.01 onAluminum Alloy Ingots and Castings.Current edition approved May 1, 2018. Published May 2018. Originallyapproved in 1931. Las
14、t previous edition approved in 2014 as B85/B85M 14. DOI:10.1520/B0085_B0085M-18E01.2For 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 to the standards Document Summary pa
15、ge onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*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 StatesThis internation
16、al standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee
17、.1Analysis Aluminum Alloys by the Point to Plane Tech-nique Nitrogen Atmosphere (Withdrawn 2011)3E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofChemical Composition by Spark Atomic Emission Spec-trometryE1251 Test Method for Analysis of Aluminum
18、 and Alumi-num Alloys by Spark Atomic Emission SpectrometryIEEE/ASTM SI 10 Standard for Use of the InternationalSystem of Units (SI): The Modern Metric System2.3 ANSI Standard:H35.1/H35.1(M)-2006 American National Standard Alloyand Temper Designation Systems for Aluminum42.4 NADCA Product Specificat
19、ion Standards for Die Cast-ings:5Engineering and Design: Coordinate DimensioningS-4A-1-15 Linear Dimensions: Standard TolerancesS-4A-2-15 Parting Line: Standard TolerancesS-4A-3-15 Moving Die Components (MDC): Standard Tol-erancesS-4A-4-15 Draft Requirements: Standard TolerancesS-4A-5-15 Flatness Re
20、quirements: Standard TolerancesS-4A-6-15 Cored Holes for Cut Threads: Standard Toler-ancesS-4A-8-15 Cored Holes for Pipe Threads: Standard Toler-ancesP-4A-1-15 Linear Dimensions: Precision TolerancesP-4A-2-15 Parting Line: Precision TolerancesP-4A-3-15 Moving Die Components (MDC): Precision Tol-eran
21、cesP-4A-4-15 Draft Requirements: Precision TolerancesP-4A-5-15 Flatness Requirements: Precision TolerancesP-4A-6-15 Cored Holes for Cut Threads: Precision Toler-ancesP-4A-7-15 Cored Holes for Formed Threads: Precision Tol-erancesS/P-4-9-15 Machining Stock Allowances (Standard and Pre-cision) Enginee
22、ring and Design: Additional SpecificationGuidelinesG-6-1-15 Pressure Tightness in Die Cast PartsG-6-2-15 Fillets, Ribs and Corners in Die cast Parts (1 of 2)G-6-3-15 Fillets, Ribs and Corners in Die cast Parts (2 of 2)G-6-4-15 Ejector Pins, Pin Marks and Pin FlashG-6-5-15 Casting Flash removalG-6-6-
23、15 Surface Finish, As CastG-6-7-15 Die Cast Lettering and Ornamentation2.5 Federal Standard:6Fed. Std. No. 123 Marking for Shipment (Civil Agencies)4Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.5Available from North Ame
24、rican Die Casting Association (NADCA), 241Holbrook Dr Wheeling, Illinois 60090-5809, http:/www.diecasting.org/6Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.TABLE 1 Chemical RequirementsA,B,C,D
25、Desig.JSi Fe Cu Mn Mg Cr Ni Zn Ti Ag Be Pb Sn Zr FNsOthersEAlMin.Each TotalF360.0G9.010.0 2.0 0.6 0.35 0.400.6 . . . 0.50 0.50 . . . . . . . . . . . . 0.15 . . . . . . . . . . . . 0.25 Rem.A360.0K9.010.0 1.3 0.6 0.35 0.400.6 . . . 0.50 0.50 . . . . . . . . . . . . 0.15 . . . . . . . . . . . . 0.25 R
26、em.380G7.59.5 2.0 3.04.0 0.50 0.10 . . . 0.50 3.0 . . . . . . . . . . . . 0.35 . . . . . . . . . . . . 0.50 Rem.A380.0H,K7.59.5 1.3 3.04.0 0.50 0.10 . . . 0.50 3.0 . . . . . . . . . . . . 0.35 . . . . . . . . . . . . 0.50 Rem.383.0H9.511.5 1.3 2.03.0 0.50 0.10 . . . 0.30 3.0 . . . . . . . . . . . .
27、0.15 . . . . . . . . . . . . 0.50 Rem.384.0H10.512.0 1.3 3.04.5 0.50 0.10 . . . 0.50 3.0 . . . . . . . . . . . . 0.35 . . . . . . . . . . . . 0.50 Rem.390.0 16.018.0 1.3 4.05.0 0.10 0.450.65I. . . . . . 0.10 0.20 . . . . . . . . . . . . . . . . . . . . . 0.10 0.20 Rem.B390.0 16.018.0 1.3 4.05.0 0.50
28、 0.450.65I. . . 0.10 1.5 0.20 . . . . . . . . . . . . . . . . . . . . . 0.10 0.20 Rem.392.0 18.020.0 1.5 0.400.8 0.200.6 0.81.2 . . . 0.50 0.50 0.20 . . . . . . . . . 0.30 . . . . . . . . . 0.15 0.50 Rem.413.0G11.013.0 2.0 1.0 0.35 0.10 . . . 0.50 0.50 . . . . . . . . . . . . 0.15 . . . . . . . . .
29、. . . 0.25 Rem.A413.0K11.013.0 1.3 1.0 0.35 0.10 . . . 0.50 0.50 . . . . . . . . . . . . 0.15 . . . . . . . . . . . . 0.25 Rem.C443.0G4.56.0 2.0 0.6 0.35 0.10 . . . 0.50 0.50 . . . . . . . . . . . . 0.15 . . . . . . . . . . . . 0.25 Rem.518.0G0.35 1.8 0.25 0.35 7.58.5 . . . 0.15 0.15 . . . . . . . .
30、 . . . . 0.15 . . . . . . . . . . . . 0.25 Rem.AWhen single units are shown, they indicate the maximum amounts permitted.BAnalysis shall be made for the elements for which limits are shown in this table.CThe following applies to all specified limits in this table: For purposes of determining conform
31、ance to these limits, an observed value or a calculated value obtained fromanalysis shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the specified limit in accordance with the rounding-off method ofPractice E29.DIn case of discrepancy between the values
32、 listed in Table 1 and those listed in the Designations and Composition Limits for Aluminum Alloys in the Form of Castingsand Ingot (known as the “Pink Sheets”), the composition limits registered with the Aluminum Association and published in the “Pink Sheets” shall be consideredthe controlling comp
33、osition.E“Others” includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may analyze samples for trace elements notspecified in the registration or specification. However, such analysis is not required and may not cover all metallic “Others”
34、 elements. Should any analysis by the produceror the purchaser establish that an “Others” element exceeds the limit of “Each” or that the aggregate of several “Others” elements exceeds the limit of “Total”, the materialshall be considered nonconforming.FThe sum of those “Others” metallic elements 0.
35、010 % or more each, expressed to the second decimal before determining the sumGAlloys 360.0, 380.0, 413.0, C443.0 and 518.0 are suitable for the production of die casting by either the hot-chamber or the cold-chamber process. Die castings of alloysA360.0, A380.0, 383.0, 384.0, and A413.0 may be made
36、 only in cold-chamber machines.HWith respect to mechanical properties, alloys A380.0, 383.0 and 384.0 are substantially interchangeable.IThe Aluminum Association ruling on the number of decimal places to which Mg percent is expressed is exempted for some long standing alloys. See A2.2.6.JFor a cross
37、 reference of current and former alloy designations see the Aluminum Associations “Designations and Chemical Composition Limits for Aluminum Alloys inthe Form of Castings and Ingot (The Pink Sheets)”.KA360.1, A380.1, and A413.1 ingot is used to produce 360.0 and A360.0; 380.0 and A380.0; 413.0 and A
38、413.0 castings, respectively.B85/B85M 18122.6 Military Standard:6MIL-STD-129 Marking for Shipment and Storage (MilitaryAgencies)2.7 Aluminum Association Standard:7Designations and Chemical Composition Limits for Alumi-num Alloys in the Form of Castings and Ingot (The PinkSheets)2.8 Other Standard:8E
39、N 14242 Aluminum and Aluminum Alloys ChemicalAnalysis inductively Coupled plasms Optical EmissionSpectral Analysis3. Terminology3.1 DefinitionsRefer to Terminology B881 for definitionsof product terms used in this specification.4. Ordering Information4.1 Orders for material under this specification
40、shall includethe following information:4.1.1 This specification designation (which includes thenumber, the year, and the revision letter, if applicable),NOTE 1For inch-pound application, specify Specification B85 and formetric application specify Specification B85M. Do not mix units.4.1.2 The quanti
41、ty in either pieces or pounds kilograms,4.1.3 Part name and number,4.1.4 Alloy (see Section 8 and Table 1), and4.1.5 Drawing of die casting, when required, giving allnecessary dimensions and showing latest revisions and allow-ances for linear dimensions (10.2), parting lines (10.3), movingdie compon
42、ents (10.4), draft (10.5), flatness (10.6), cored holethreads (10.7 10.9), and machining stock (10.10). Location ofejector pin marks or parting lines shall be at the option of theproducer; unless specifically designated on the drawing.4.2 Additional tests, options and special inspection require-ment
43、s 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 Whether chemical analysis reports are required (8.3and Table 1),4.2.2 Whether additional quality assur
44、ance requirements arerequired (7.1),4.2.3 Whether special proof tests or mechanical propertytests are required (Section 9),4.2.4 Whether there are additional general quality require-ments for internal soundness (11.2), pressure tightness (11.3),fillets, ribs and corners (11.4), ejector pins, pin mar
45、ks, pin flashand flash removal (11.5), casting flash removal (11.6), surfacefinish (11.7), die cast lettering and ornamentation (11.8)orworkmanship (11.10),4.2.5 Whether source inspection is required (Section 12),4.2.6 Whether certification is required (Section 14),4.2.7 Marking for identification (
46、Section 15), and4.2.8 Whether marking in accordance with Fed. Std. 123 orASTM D3951 (16.2) or MIL-STD-129 applies (16.2).4.2.9 Whether Practices B660 applies and, if so, the levelsof preservation, packaging and packing required (16.4),5. Materials5.1 Unless otherwise specified, only aluminum alloy c
47、on-forming to the requirements of Specification B179 or produc-ers foundry scrap (identified as being made from alloyconforming to Specification B179) shall be used in the remelt-ing furnace from which molten metal is taken for pouringdirectly into castings. Additions of small amounts of modifiersan
48、d grain refining elements or alloys are permitted.5.1.1 Pure materials, recycled materials, and master alloysand material not conforming to Specification B179 may beused to make alloys conforming to this specification, providedchemical analysis can be taken and adjusted to conform toTable 1 prior to
49、 pouring any castings.6. Manufacture6.1 The responsibility of furnishing die castings that can belaid out and machined to the final dimensions within thepermissible variations specified, as shown on the blueprints ordrawings, shall rest with the producer, except when the die isfurnished by the purchaser.7. Quality Assurance7.1 Responsibility for InspectionWhen specified in thecontract or purchase order, the producer or supplier is respon-sible for the performance of all inspection and test require-ments specified herein. Except as ot
