1、Designation: B108/B108M 14Standard 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 year of last revision. A
2、 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 U.S. Department of Defense.1. Scope*1.1 This specification2covers aluminum-alloy perman
3、entmold castings designated as shown in Table 1.1.2 This specification is for aluminum-alloy permanentmold castings used in general purpose applications. It may notaddress the mechanical properties, integrity testing, and veri-fication required for highly loaded or safety critical applica-tions.1.3
4、Alloy and temper designations are in accordance withANSI H35.1/H35.1(M). The equivalent unified numberingsystem alloy designations are in accordance with PracticeE527.1.4 Unless the order specifies the “M” specificationdesignation, the material shall be furnished to the inch-poundunits.1.5 For accep
5、tance criteria for inclusion of new aluminumand aluminum alloys 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 equivalen
6、ts;therefore, each system shall be used independently of the other.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 th
7、is standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 The following documents of the issue in effect on thedate of casting purchase form a part of this specification to theextent referenced
8、 herein:2.2 ASTM Standards:3B179 Specification for Aluminum Alloys in Ingot and Mol-ten Forms for Castings from All Casting ProcessesB275 Practice for Codification of Certain Nonferrous Metalsand Alloys, Cast and WroughtB557 Test Methods for Tension Testing Wrought and CastAluminum- and Magnesium-Al
9、loy ProductsB557M Test Methods for Tension Testing Wrought and CastAluminum- and Magnesium-Alloy Products (Metric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB917/B917M Practice for Heat Treatment of Aluminu
10、m-Alloy Castings from All ProcessesB985 Practice for Sampling Aluminum Ingots, Billets, Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data toDetermine Conformance wit
11、h SpecificationsE34 Test Methods for Chemical Analysis of Aluminum andAluminum-Base AlloysE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminumand Magnesium CastingsE165 Practice for Liquid Penetrant Examination for GeneralIndustryE527 Practice for Numbering Met
12、als and Alloys in theUnified Numbering System (UNS)E607 Test Method for Atomic Emission SpectrometricAnalysis Aluminum Alloys by the Point to Plane Tech-nique Nitrogen Atmosphere (Withdrawn 2011)4E716 Practices for Sampling and Sample Preparation ofAluminum and Aluminum Alloys for Determination ofCh
13、emical Composition by Spectrochemical Analysis1This 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 Oct. 1, 2014. Published October 2014. Orig
14、inallyapproved in 1936. Last previous edition approved in 2012 as B108/B108M 121.DOI: 10.1520/B0108_B0108M-14.2For ASME Boiler and Pressure Code application see related SB-108.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. Fo
15、r Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4The 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 Ba
16、rr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E1251 Test Method for Analysis of Aluminum and Alumi-num Alloys by Spark Atomic Emission SpectrometryE2422 Digital Reference Images for Inspection of Alumi-num CastingsIEEE/ASTM SI 10 Standard for Use of the InternationalS
17、ystem of Units (SI): The Modern Metric System2.3 ANSI Standard:5H35.1/H35.1M Alloy and Temper Designation Systems forAluminum2.4 Military Standards:6MIL-STD-129 Marking for Shipment and StorageMIL-STD-276 Impregnation of Porous Nonferrous MetalCastingsNAVSEA S9074-AR-GIB-010/278 Requirements for Fab
18、ri-cation Welding and Inspection, and Casting Inspection andRepair for Machinery, Piping, and Pressure Vessels5Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600,Arlington, VA 22209, http:/www.aluminum.org.6Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Sec
19、tion 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-siumChromium Nickel Zinc Titanium TinOtherElementsEEach TotalF204.0 A02040 remainder 0.20 0.35 4.25.0 0.10
20、 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 . . 0.35308.0 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
21、.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 . . 0.50336.0GA03360 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 remainde
22、r 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 . . 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 0.15
23、A356.0 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 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.
24、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 0.50 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
25、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 0.100.25 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 .
26、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 0.15713.0 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 remaind
27、er 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 . 0.20 5.57.0 . 0.30AWhen single units are shown, these indicate the maximum amounts permitted.BAnalysi
28、s 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 observed value or a calculated value obtained fromanalysis shall be rounded to the nearest unit in the l
29、ast right-hand place of figures used in expressing the specified limit in accordance with the rounding method of PracticeE29.DASTM alloy designations are recorded in Practice B275.EOthers includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The produce
30、r 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 producer or the purchaserestablish that an Others element exceeds the limit of Each or that the aggregate of s
31、everal 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 the second decimal before determining the sum.G336.0 formerly A332.0, 332.0 formerly F332.0, 513.0 forme
32、rly 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 0.040.07.JBeryllium 0.002 maxKBeryllium 0.0030.007, boron 0.005 max.B108/B108M 1422.5 AMS Specification:AMS 27
33、71 Heat Treatment of Aluminum Alloy Castings72.6 Federal Standard:6Fed Std. No. 123 Marking for Shipment (Civil Agencies)2.7 Other Standards:8CEN EN 14242 Aluminum andAluminumAlloys, ChemicalAnalysis, Inductively Coupled Plasma Optical EmissionSpectral Analysis3. Terminology3.1 DefinitionsRefer to T
34、erminology B881 for definitionsof product terms used in this specification.4. Ordering Information4.1 Orders for material under this specification shall includethe following information (see 1.4 and 1.5):4.1.1 This specification designation (which includes thenumber, the year, and the revision lette
35、r, if applicable),NOTE 1For inch-pound application, specify Specification B108 andfor metric application specify Specification B108M. Do not mix units.4.1.2 Alloy (see Section 7 and Table 1),4.1.3 Temper (see Section 10 and Table 2 Table 3),TABLE 2 Tensile RequirementsA(Inch-Pound Units)NOTE 1For pu
36、rposes of determining conformance with this specification, each value for tensile strength and yield strength shall be rounded to thenearest 0.1 ksi, and each value for elongation shall be rounded to the nearest 0.5 %, both in accordance with the rounding method of Practice E29.AlloyTemperBTensileSt
37、rength, min,ksiYield StrengthC(0.2 % offset),min, ksiElongation in2 in. or 4 Diameter, min, %Typical BrinellHardnessD500-kgf load,10-mm ballANSIEUNS204.0 A02040 T4 separately cast specimens 48.0 29.0 8.0 .242.0 A02420 T571 34.0 .F105T61 40.0 .F110296.0 A02960 T4 33.0 15.0 4.5 75T6 35.0 . 2.0 90T7 33
38、.0 16.0 3.0 .308.0 A03080 F 24.0 . . 70319.0 A03190 F 27.0 14.0 2.5 95332.0GA03320 T5 31.0 .F105333.0 A03330 F 28.0 .F90T5 30.0 .F100T6 35.0 .F105T7 31.0 .F90336.0GA03360 T551 31.0 .F105T65 40.0 .F125354.0 A03540 T61separately cast specimens 48.0 37.0 3.0casting, designated areaH47.0 36.0 3.0casting
39、s, no location designatedH43.0 33.0 2.0T62separately cast specimens 52.0 42.0 2.0castings, designated areaH50.0 42.0 2.0castings, no location designatedH43.0 33.0 2.0355.0 A03550 T51 27.0 .F75T62 42.0 .F105T7 36.0 .F90T71 34.0 27.0F80C355.0 A33550 T61separately cast specimens 40.0 30.0 3.0 8590casti
40、ngs, designated areaH40.0 30.0 3.0castings, no location designatedH37.0 30.0 1.0 85356.0 A03560 F 21.0 10.0 3.0T6 33.0 22.0 3.0 85T71 25.0 . 3.0 70A356.0 A13560 T61separately cast specimens 38.0 26.0 5.0 8090castings, designated areaH33.0 26.0 5.0castings, no location designatedH28.0 26.0 3.0357.0 T
41、6 45.0 . 3.0 .A357.0 A13570 T61separately cast specimens 45.0 36.0 3.0 100castings, designated areaH46.0 36.0 3.0 .castings, no location designatedH41.0 31.0 3.0 .E357.0IT61separately cast specimens 45.0 36.0 3.0 100castings, designated areaH46.0 36.0 3.0castings, no location designatedH41.0 31.0 3.
42、0F357.0JT6 45.0 3.0359.0 A03590 T61separately cast specimens 45.0 34.0 4.0 907Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001, http:/www.sae.org.8Available from European Committee for Standardization (CEN), 36 rue deStassart, B-1050, Brussels, Bel
43、gium, http:/www.cenorm.be.B108/B108M 143TABLE 2 ContinuedAlloyTemperBTensileStrength, min,ksiYield StrengthC(0.2 % offset),min, ksiElongation in2 in. or 4 Diameter, min, %Typical BrinellHardnessD500-kgf load,10-mm ballANSIEUNScastings, designated areaH45.0 34.0 4.0castings, no location designatedH40
44、.0 30.0 3.0T62separately cast specimens 47.0 38.0 3.0 100castings, designated areaH47.0 38.0 3.0castings, no location designatedH40.0 30.0 3.0443.0 A04430 F 21.0 7.0 2.0 45B443.0 A24430 F 21.0 6.0 2.5 45A444.0 A14440 T4separately cast specimens 20.0 . 20 .castings, designated areaH20.0 . 20 .513.0GA
45、05130 F 22.0 12.0 2.5 60535.0 A05350 F 35.0 18.0 8.0 .705.0 A07050 T1 or T5 37.0 17.0 10.0707.0 A07070 T1 42.0 25.0 4.0T7 45.0 35.0 3.0711.0GA07110 T1 28.0 18.0 7.0 70713.0 A07130 T1 or T5 32.0 22.0 4.0850.0 A08500 T5 18.0 . 8.0851.0GA08510 T5 17.0 . 3.0T6 18.0 . 8.0852.0GA08520 T5 27.0 . 3.0AIf agr
46、eed upon by manufacturer and the purchaser, other mechanical properties may be obtained by other heat treatments such as annealing, aging, or stress relieving.BRefer to ANSI H 35.1/H35.1(M) for description of tempers.CYield strength to be evaluated only when specified in contract or purchase order.D
47、Hardness values given for information only, not required for acceptance.EASTM alloy designations are recorded in Practice B275.FNot required.G332.0 formerly F332.0, 336.0 formerly A332.0, 513.0 formerly A514.0, 711.0 formerly C712.0, 851.0 formerly A850.0, 852.0 formerly B850.0.HThese properties app
48、ly only to castings having section thicknesses not greater than 2 in. except that section thicknesses of34 in., max, shall apply to Alloy A444.0.IProperties copied from A357.0T61.JProperties copied from 357.0T6.TABLE 3 Tensile Requirements (SI Units) MetricABNOTE 1For purposes of determining conform
49、ance with this specification, each value for tensile strength and yield strength shall be rounded to thenearest 1 MPa and each value for elongation shall be rounded to the nearest 0.5 %, both in accordance with the rounding method of Practice E29.AlloyTemperCTensileStrength,min,MPaDYield StrengthE(0.2 % offset),min,MPaDElongationin5D, min, %Typical BrinellHardnessF500-kgf load,10-mm ballANSIGUNS204.0 A02040 T4 separately cast specimens 330 200 7.0 .242.0 A02420 T571 235 .H10
