1、Designation: B969/B969M 11B969/B969M 14Standard Specification forAluminum-Alloy Castings Produced by the SqueezeCasting, Thixocast and Rheocast Semi-Solid CastingProcesses1This standard is issued under the fixed designation B969/B969M; the number immediately following the designation indicates the y
2、earof original adoption or, in the case of revision, the year of last revision. A number 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 specification covers aluminum-alloy castings, p
3、roduced by the thixocast, rheocast, semi-solidsemi-solid, and squeezecasting processes, shown in Table 1.1.2 This specification is not intended for castings used in aerospace applications.1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M).H35.1/H35.1 (M). The equivalent uni
4、fiednumbering system alloy designations are in accordance with Practice E527.1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in
5、 this specification, seeAnnex A1 and Annex A2.1.6 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from t
6、hetwo systems may result in non-conformance with the standard.1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applica
7、bility of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2NOTE 1The following documents of the issue in effect on the date of purchase form a part of this specification to the extent referenced herein.B179 Specification for Aluminum Alloys in Ingot and Molten Forms for
8、Castings from All Casting ProcessesB275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and WroughtB557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy ProductsB557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Allo
9、y Products (Metric)B660 Practices for Packaging/Packing of Aluminum and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB917/B917M Practice for Heat Treatment of Aluminum-Alloy Castings from All ProcessesB985 Practice for SamplingAluminum Ingots, Billets, Casting
10、s and Finished or Semi-Finished WroughtAluminum Products forCompositional AnalysisD3951 Practice for Commercial PackagingE8/E8M Test Methods for Tension Testing of Metallic MaterialsE23 Test Methods for Notched Bar Impact Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test
11、 Data to Determine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys1 This test method is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on AluminumAlloy Ingots a
12、nd Castings.Current edition approved May 1, 2011Oct. 1, 2014. Published June 2011October 2014. Originally approved in 2009. Last previous edition approved in 20102011 asB969 10.B969/B969M 11. DOI: 10.1520/B0969_B0969M-11.10.1520/B0969_B0969M-14.2 For referencedASTM standards, visit theASTM website,
13、www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of
14、what changes have been made to the previous version. Becauseit 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 versionof the standard as published by ASTM is to be considered
15、the official document.*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 States1TABLE 1 Chemical Composition LimitsA,B,CAlloy Composition,%ANSID UNS Silicon Iron Copper Manganese
16、Magnesium Chromium Nickel Zinc Titanium Tin Other ElementsE AluminumEach TotalF319.0 A03190 5.56.5 1.0 3.04.0 0.50 0.10 . 0.35 1.0 0.25 . . 0.50 Remainder355.0 A03550 4.55.5 0.6G 1.01.5 0.50G 0.400.6 0.25 . 0.35 0.25 . . 0.05 0.15 Remainder356.0 A03560 6.57.5 0.6G 0.25 0.35G 0.200.45 0.35 0.25 0.05
17、0.15 RemainderA356.0 A13560 6.57.5 0.20 0.20 0.10 0.250.45 0.10 0.20 0.05 0.15 Remainder357.0 A03570 6.57.5 0.15 0.05 0.03 0.450.6 . . 0.05 0.20 . . 0.05 0.15 Remainder366.0 6.57.5 0.15 0.05 0.03 0.51.2 0.05 0.20 0.05 0.15 Remainder380.0 A03800 7.59.5 2.0 3.04.0 0.50 0.10 . 0.50 3.0 . 0.35 . . 0.50
18、RemainderA390.0 A13900 16.018.0 0.50 4.05.0 0.10 0.450.65H . . 0.10 0.20 . . 0.10 0.20 RemainderAWhen single units are shown, these 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
19、in this table: For purposes of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unitin the last right-hand place of figures used in expressing the specified limit in accordance with the rounding method of Practice
20、 E29.DASTM alloy designations are defined in ANSI H35.1/H35.1(M)H35.1/H35.1 (M).EOther includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may analyze samples for trace elements not specified in the specification. However, such analysisis
21、 not required and may not cover all metallic Other Elements. Should any analysis by the producer or the purchaser establish that an Other Elements exceeds the limit of Each or that the aggregate of several OtherElements exceeds the limit of Total, the material shall be considered nonconforming.FOthe
22、r ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.GIf the iron content exceeds 0.45 %, manganese content shall not be less than one half of the iron.HThe Aluminum Association ruling on the number of decimal pla
23、ces to which Mg percent is expressed is exempted for some long standing alloys. See(See A2.2.6)B969/B969M142E94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminum and Magnesium CastingsE165 Practice for Liquid Penetrant Examination for General IndustryE505 Refere
24、nce Radiographs for Inspection of Aluminum and Magnesium Die CastingsE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique NitrogenAtmosphere (Withdrawn 2011)3E716
25、 Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of ChemicalComposition by Spectrochemical AnalysisE1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission SpectrometryE2422 Digital Reference Images for Inspection of Alum
26、inum Castings2.2 ANSI Standard:4H35.1 / H35.1 (M) - 2006H35.1/H35.1 (M)-2006 American National Standard Alloy and Temper Designation Systems forAluminum2.3 NADCA Standards:5#403 Product Specification Standards for Die Castings Produced by the Semi-Solid and Squeeze Casting Processes2.4 NADCA Product
27、 Specification Standards for Die Castings:Engineering and Design: Coordinate DimensioningS-4A-1-09 Linear Dimensions: Standard TolerancesS-4A-2-09 Parting Line: Standard TolerancesS-4A-3-09 Moving Die Components (MDC): Standard TolerancesS-4A-4-09 Draft Requirements: Standard TolerancesS-4A-5-09 Fla
28、tness Requirements: Standard TolerancesS-4A-6-09 Cored Holes for Cut Threads: Standard TolerancesS-4A-8-09 Cored Holes for Pipe Threads: Standard TolerancesP-4A-1-09 Linear Dimensions: Precision TolerancesP-4A-2-09 Parting Line: Precision TolerancesP-4A-3-09 Moving Die Components (MDC): Precision To
29、lerancesP-4A-4-09 Draft Requirements: Precision TolerancesP-4A-5-09 Flatness Requirements: Precision TolerancesP-4A-6-09 Cored Holes for Cut Threads: Precision TolerancesP-4A-7-09 Cored Holes for Formed Threads: Precision TolerancesS/P-4-9-09 Machining StockAllowances (Standard and Precision) Engine
30、ering and Design:Additional Specification GuidelinesG-6-1-09 Pressure Tightness in Die Cast PartsG-6-2-09 Fillets, Ribs and Corners in Die Cast Parts (1 of 2)G-6-3-09 Fillets, Ribs and Corners in Die Cast Parts (2 of 2)G-6-4-09 Ejector Pins, Pin Marks and Pin FlashG-6-5-09 Casting Flash removalG-6-6
31、-09 Surface Finish, As CastG-6-7-09 Die Cast Lettering and Ornamentation2.5 Federal Standard:6Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2.6 Military Standard:6MIL-STD-129 Marking for Shipment and Storage (Military Agencies)MIL-STD-276 Impregnation of Porous Nonferrous Metal Castings2.7
32、SAE Standard:AMS-STD-184 Identification Marking of Aluminum, Magnesium, and TitaniumAMS 2771 Heat Treatment of Aluminum Alloy Castings2.8 Naval Standard:NAVSEA Technical Publication S9074-AR-GIB-010/2782.9 Other Standards:7EN 14242 Aluminum and Aluminum Alloys Chemical Analysis Inductively AlloysChe
33、mical AnalysisInductivelyCoupled Plasma Optical Emission Spectral Analysis3 The last approved version of this historical standard is referenced on www.astm.org.4 Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600, Arlington, VA 22209, http:/www.aluminum.org.5 Available from Nort
34、h American dieDie Casting Association, (NADCA,) 241 Holbrook Drive, Wheeling, IL 60090. (www.diecasting.org)60090 (www.diecasting.org).6 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.7 Availab
35、le from European Committee for Standardization (CEN), 36 rueRue de Stassart, B-1050, Brussels, Belgium, http:/www.cenorm.be.B969/B969M 1433. Terminology3.1 DefinitionsRefer to Terminology B881 for definitions of product terms used in this specification.3.2 Definitions of Terms Specific to this Stand
36、ard:3.2.1 Squeeze Castinga process whereby a metal product is produced by injecting molten metal at a relatively slow speedthrough a large ingate into a metal die and held under high pressure until solidification is complete.3.2.2 Slurrya thick suspension of solids in a liquid.3.2.3 Semi-Solid Slurr
37、ya mixture of solid spherical or globular primary phase dispersed in liquid, and which exhibitsthixotropic behavior.3.2.4 Thixotropica property of some materials to flow like a high viscosity liquid when a force is applied and maintain formwhen the force is removed.3.2.5 Semi-Solid Casting (SSM)a ca
38、sting process wherein a partially solidified metal slurry is injected into a die cavity to formcast components,3.2.6 Thixocastingsemi-solid casting process wherein the feed-stock is a pre-cast slug of aluminum alloy capable of actingin a thixotropic manner, that has been heated to its thixotropic st
39、ate and injected into a metal die cavity and allowed to solidify.3.2.7 Rheocastingsemi-solid casting process in which the thixotropic aluminum alloy feed-stock is produced at the die castmachine and injected whilst in its thixotropic state into a metal die cavity without an intermediate solidificati
40、on stage.3.2.8 Die Castinga casting produced by introducing molten metal under substantial pressure into a metal die and characterizedby a high degree of fidelity to the die cavity.3.2 Definitions of Terms Specific to This Standard:3.2.1 die casting, na casting produced by introducing molten metal u
41、nder substantial pressure into a metal die andcharacterized by a high degree of fidelity to the die cavity.3.2.2 rheocasting, nsemi-solid casting process in which the thixotropic aluminum alloy feed-stock is produced at the die castmachine and injected whilst in its thixotropic state into a metal di
42、e cavity without an intermediate solidification stage.3.2.3 semi-solid casting (SSM), na casting process wherein a partially solidified metal slurry is injected into a die cavity toform cast components.3.2.4 semi-solid slurry, na mixture of solid spherical or globular primary phase dispersed in liqu
43、id, and which exhibitsthixotropic behavior.3.2.5 slurry, na thick suspension of solids in a liquid.3.2.6 squeeze casting, na process whereby a metal product is produced by injecting molten metal at a relatively slow speedthrough a large ingate into a metal die and held under high pressure until soli
44、dification is complete.3.2.7 thixocasting, nsemi-solid casting process wherein the feed-stock is a pre-cast slug of aluminum alloy capable of actingin a thixotropic manner, that has been heated to its thixotropic state and injected into a metal die cavity and allowed to solidify.3.2.8 thixotropic, a
45、dja property of some materials to flow like a high viscosity liquid when a force is applied and maintainform when the force is removed.4. Ordering Information4.1 Orders for material under this specification shall include the following information:4.1.1 This specification designation (which includes
46、the number, the year, and the revision letter, if applicable),NOTE 2For inch-pound application, specify Specification B969 and for metric application specify Specification B969M. Do not mix units.4.1.2 Alloy (Section 7 and Table 1).),4.1.3 Temper (Section 11, Table X2.1 Table X2.2, Table X2.3 Table
47、X2.4, and Table X2.5 Table X2.6),4.1.4 Applicable drawing or part number, and4.1.4.1 Drawing of casting, when required, giving all necessary dimensions and showing latest revisions and allowances forlinear dimensions (12.2), parting lines (see 12.3), moving die components (12.4), draft (12.5), flatn
48、ess (12.6), cored hole threads(12.7 12.9), and machining stock (12.10). Location of ejector pin marks or parting lines shall be at the option of the producer,unless specifically designated on the drawing,drawing.4.1.5 The quantity in either pieces or pounds kilograms,kilograms.4.2 Additional tests,
49、options, and special inspection requirements as provided below should be justified only on the basis ofneed. These shall be specified in the contract or purchase order, as additional procedures and extended delivery time may beinvolved,4.3 Additionally, orders for material to this specification shall include the following information when required by thepurchaser.purchaser:4.3.1 Whether squeeze casting process or the semi-solid thixocast or rheocast process is to be used to produce the parts,B969/B969M 1444.3.2 Wheth
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