ASTM B108 B108M-2012 Standard Specification for Aluminum-Alloy Permanent Mold Castings《铝合金永久铸模铸件标准规格》.pdf

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1、Designation:B108/B108M11 Designation: B108/B108M 12Standard Specification forAluminum-Alloy Permanent Mold Castings1This standard is issued under the fixed designation B108/B108M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the

2、 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.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification2covers a

3、luminum-alloy permanent mold castings designated as shown in Table 1.1.2This specification is not intended for aluminum-alloy permanent mold castings used in aerospace applications.1.2 This specification is for aluminum-alloy permanent mold castings used in general purpose applications. It may not a

4、ddressthe mechanical properties, integrity testing, and verification required for highly loaded or safety critical applications.1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M). The equivalent unified numbering systemalloy designations are in accordance with Practice E527

5、.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 this specification, seeAnnex A1 and Annex A2.1.6 UnitsThe values stated in

6、either SI units or inch-pound units are to be regarded separately as standard. The values statedin each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with the standard.1.7 This

7、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 applicability of regulatorylimitations prior to use.2. Referenced Documents2.1

8、 The following documents of the issue in effect on the date of casting purchase form a part of this specification to the extentreferenced herein:2.2 ASTM Standards:3B179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting ProcessesB275 Practice for Codification

9、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-Alloy Products (Metric)B660 Practices for Packaging/Packing of Aluminu

10、m and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB917/B917M Practice for Heat Treatment of Aluminum-Alloy Castings from All ProcessesD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data to Determine Conformance with S

11、pecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base AlloysE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminum and Magnesium CastingsE165 Practice for Liquid Penetrant Examination for General IndustryE527 Practice for Numbering Met

12、als and Alloys in the Unified Numbering System (UNS)E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique NitrogenAtmosphere1This specification is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsib

13、ility of Subcommittee B07.01 on AluminumAlloy Ingots and Castings.Current edition approved Dec.May 1, 2011.2012. Published December 2011.June 2012. Originally approved in 1936. Last previous edition approved in 20082011 asB108/B108M08.B108/B108M 11. DOI: 10.1520/B0108_B0108M-112.2For ASME Boiler and

14、 Pressure Code application see related SB-108.3For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This documen

15、t is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of 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 app

16、ropriate. In all cases only the current versionof the standard 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, PA 19428-2959, United S

17、tates.E716 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 Inspecti

18、on of Aluminum CastingsIEEE/ASTM SI 10 Standard for Use of the International System of Units (SI): The Modern Metric System2.3 ANSI Standard:4H35.1/H35.1M Alloy and Temper Designation Systems for Aluminum2.4 Military Standards:5MIL-STD-129 Marking for Shipment and StorageMIL-STD-276 Impregnation of

19、Porous Nonferrous Metal CastingsNAVSEA S9074-AR-GIB-010/278 Requirements for Fabrication Welding and Inspection, and Casting Inspection and Repairfor Machinery, Piping, and Pressure Vessels2.5 AMS Specification:4Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600, Arlington, VA 2

20、2209, http:/www.aluminum.org.5Available 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 Composition LimitsA,B,CAlloy Composition, %ANSIDUNS Aluminum Silicon Iron CopperManga-neseMagne-siu

21、mChromium Nickel Zinc Titanium TinOtherElementsEEach TotalF204.0 A02040 remainder 0.20 0.35 4.25.0 0.10 0.150.35 . 0.05 0.10 0.150.30 0.05 0.05 0.15242.0 A02420 remainder 0.7 1.0 3.54.5 0.35 1.21.8 0.25 1.72.3 0.35 0.25 . 0.05 0.15296.0 remainder 2.03.0 1.2 4.05.0 0.35 0.05 . 0.35 0.50 0.25 . . 0.35

22、308.0 remainder 5.06.0 1.0 4.05.0 0.50 0.10 . . 1.0 0.25 . . 0.50319.0 A03190 remainder 5.56.5 1.0 3.04.0 0.50 0.10 . 0.35 1.0 0.25 . . 0.50332.0GA03320 remainder 8.510.5 1.2 2.04.0 0.50 0.501.5 . 0.50 1.0 0.25 . . 0.50333.0 A03330 remainder 8.010.0 1.0 3.04.0 0.50 0.050.50 . 0.50 1.0 0.25 . . 0.503

23、36.0GA03360 remainder 11.013.0 1.2 0.501.5 0.35 0.71.3 . 2.03.0 0.35 0.25 . 0.05 .354.0 A03540 remainder 8.69.4 0.20 1.62.0 0.10 0.400.6 . . 0.10 0.20 . 0.05 0.15355.0 A03550 remainder 4.55.5 0.6H1.01.5 0.50H0.400.6 0.25 . 0.35 0.25 . 0.05 0.15C355.0 A33550 remainder 4.55.5 0.20 1.01.5 0.10 0.400.6

24、. . 0.10 0.20 . 0.05 0.15356.0 A03560 remainder 6.57.5 0.6H0.25 0.35H0.200.45 . . 0.35 0.25 . 0.05 0.15A356.0 A13560 remainder 6.57.5 0.20 0.20 0.10 0.250.45 . . 0.10 0.20 . 0.05 0.15357.0 remainder 6.57.5 0.15 0.05 0.03 0.450.6 . . 0.05 0.20 . 0.05 0.15A357.0 A13570 remainder 6.57.5 0.20 0.20 0.10

25、0.400.7 . . 0.10 0.040.20 . 0.05I0.15E357.0 remainder 6.57.5 0.10 0.10 0.550.6 . . . 0.100.20 . 0.05J0.15F357.0 remainder 6.57.5 0.10 0.20 0.10 0.400.7 . . 0.10 0.040.20 . 0.05J0.15359.0 A03590 remainder 8.59.5 0.20 0.20 0.10 0.500.7 . . 0.10 0.20 . 0.05 0.15443.0 A04430 remainder 4.56.0 0.8 0.6 0.5

26、0 0.05 0.25 . 0.50 0.25 . . 0.35B443.0 A24430 remainder 4.56.0 0.8 0.15 0.35 0.05 . . 0.35 0.25 . 0.05 0.15A444.0 A14440 remainder 6.57.5 0.20 0.10 0.10 0.05 . . 0.10 0.20 . 0.05 0.15513.0GA05130 remainder 0.30 0.40 0.10 0.30 3.54.5 . . 1.42.2 0.20 . 0.05 0.15535.0 A05350 remainder 0.15 0.15 0.05 0.

27、100.25 6.27.5 . . . 0.100.25 . 0.05K0.15705.0 A07050 remainder 0.20 0.8 0.20 0.400.6 1.41.8 0.200.40 . 2.73.3 0.25 . 0.05 0.15707.0 A07070 remainder 0.20 0.8 0.20 0.400.6 1.82.4 0.200.40 . 4.04.5 0.25 . 0.05 0.15711.0GA07110 remainder 0.30 0.71.4 0.350.65 0.05 0.250.45 . . 6.07.0 0.20 . 0.05 0.15713

28、.0 A07130 remainder 0.25 1.1 0.401.0 0.6 0.200.50 0.35 0.15 7.08.0 0.25 . 0.10 0.25850.0 A08500 remainder 0.7 0.7 0.71.3 0.10 0.10 . 0.71.3 . 0.20 5.57.0 . 0.30851.0GA08510 remainder 2.03.0 0.7 0.71.3 0.10 0.10 . 0.30.7 . 0.20 5.57.0 . 0.30852.0GA08520 remainder 0.40 0.7 1.72.3 0.10 0.60.9 . 0.91.5

29、. 0.20 5.57.0 . 0.30AWhen 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 in this table: For purposes of determining conformance to these limits, an o

30、bserved value or a calculated value obtainedfrom analysis 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 method ofPractice E29.DASTM alloy designations are recorded in Practice B275.EOthers includes

31、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 specification. However, such analysis is not required and may not cover all metallic Others elements. Should any analysis by the produce

32、r or the purchaserestablish that an Others element exceeds the limit of Each or that the aggregate of several Others elements exceeds the limit of Total, the material shall be considerednonconforming.FOther ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to t

33、he second decimal before determining the sum.G336.0 formerly A332.0, 332.0 formerly F332.0, 513.0 formerly A514.0, 711.0 formerly C712.0, 851.0 formerly A850.0, 852.0 formerly B850.0.HIf the iron content exceeds 0.45 %, manganese content shall not be less than one half of the iron.IBeryllium 0.040.0

34、7.JBeryllium 0.002 maxKBeryllium 0.0030.007, boron 0.005 max.B108/B108M 122AMS 2771 Heat Treatment of Aluminum Alloy Castings62.6 Federal Standard:5Fed Std. No. 123 Marking for Shipment (Civil Agencies)2.7 Other Standards:7CEN EN 14242 Aluminum and Aluminum Alloys, Chemical Analysis, Inductively Cou

35、pled Plasma Optical Emission SpectralAnalysis3. Terminology3.1 DefinitionsRefer to Terminology B881 for definitions of product terms used in this specification.4. Ordering Information4.1 Orders for material under this specification shall include the following information (see 1.4 and 1.5):4.1.1 This

36、 specification designation (which includes the number, the year, and the revision letter, if applicable),NOTE 1For inch-pound application, specify Specification B108 and for metric application specify Specification B108M. Do not mix units.4.1.2 Alloy (see Section 7 and Table 1),4.1.3 Temper (see Sec

37、tion 10 and Table 2 Table 3),4.1.4 Applicable drawing or part number,4.1.5 The quantity in either pieces or pounds kilograms,4.2 Additionally, orders for material to this specification shall include the following information when required by the purchaser.4.2.1 Whether foundry control is required (s

38、ee Section 9),4.2.2 Whether yield strength tests are required (see 10.1 and Table 2, Footnote C, Table 4, , Footnote D),4.2.3 Whether castings or test bars, or both, are to be artificially aged for Alloys 705.0-T5, 707.0-T5, and 713.0-T5 (see 10.3),4.2.4 Whether test specimens cut from castings are

39、required in addition to or instead of separately cast specimens (see Sections10, 12.2, 13.2, and 15),4.2.5 Whether heat treatment is to be performed in accordance with AMS 2771 (see Section 16),4.2.6 Whether repairs are permissible (see Section 17),4.2.7 Whether inspection is required at the produce

40、rs works (see Section 18),4.2.8 Whether certification is required (see Section 22),4.2.9 Whether surface requirements will be checked visually or by observational standards where such standards are established(see 19.1),4.2.10 Whether liquid penetrant inspection is required (see 19.2),4.2.11 Whether

41、 radiographic inspection is required and, if so, the radiographic grade of casting required (19.3, Table 4), and4.2.12 Whether Practices B660 applies and, if so, the levels of preservation, packaging and packing required (see 23.4).5. Responsibility for Quality Assurance5.1 Unless otherwise specifie

42、d in the contract or purchase order, the producer shall be responsible for the performance of allinspections and test requirements specified herein. Unless otherwise agreed upon, the producer may use his own or any othersuitable facilities for the performance of the inspection and test requirements

43、specified herein. The purchaser shall have the rightto perform any of the inspections and tests set forth in the specification where such inspections are deemed necessary to confirmthat the material conforms to prescribed requirements.6. Manufacture6.1 The responsibility of furnishing castings that

44、can be laid out and machined to the finished dimensions within the permissiblevariations specified, as shown on the blueprints or drawings, shall rest with the producer, except where mold equipment isfurnished by the purchaser.7. Chemical Composition7.1 The product shall conform to the chemical comp

45、osition limits prescribed in Table 1. Conformance shall be determined bythe producer by taking samples at the time castings are poured in accordance with E716 and analyzed in accordance with E607,E1251, E34, or CEN EN 14242. If the producer has determined the composition of the material during casti

46、ng, they shall not berequired to sample and analyze the finished product.7.2 If it becomes necessary to analyze castings for conformance to chemical composition limits, the method used to samplecastings for the determination of chemical composition shall be by agreement between the producer and the

47、purchaser. Analysisshall be performed in accordance with E716, E607, E1251, E34, or CEN EN 14242 (ICP method).6Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http:/www.sae.org.7Available from European Committee for Standardization (CEN), 36 rue

48、 de Stassart, B-1050, Brussels, Belgium, http:/www.cenorm.be.B108/B108M 1237.3 Other methods of analysis or in the case of a dispute the method of analysis shall be agreed upon by the producer and thepurchaser.7.4 A sample for determination of chemical composition shall be taken to represent one of

49、the following:7.4.1 Not more than 4000 lb 2000 kg of clean castings or a single casting poured from one furnace. The maximum elapsedtime between determinations shall be established for each alloy, but in any case the maximum elapsed time shall not exceed 8hours.TABLE 2 Tensile RequirementsA(Inch-Pound Units)NOTE 1For purposes of determining conformance with this specification, each value for tensile strength and yield strength shall be rounded to thenearest 0.1 ksi, and each v