1、Designation: B108/B108M 14B108/B108M 15Standard 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 las
2、t 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 U.S. Department of Defense.1. Scope*1.1 This specification2 covers aluminu
3、m-alloy permanent mold castings designated as shown in Table 1.1.2 This specification is for aluminum-alloy permanent mold castings used in general purpose applications. It may not addressthe mechanical properties, integrity testing, and verification required for highly loaded or safety critical app
4、lications.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 E527.1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound u
5、nits.1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, seeAnnex A1Annex A1 and Annex A2 and Annex A2.1.6 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values statedi
6、n 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 standard does not purport to address all of the safety concerns, if any, associated with its use.
7、 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 The following documents of the issue in effect on the date of casting purchase form a part of th
8、is 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 of Certain Zinc, Tin and Lead Die CastingsB557 Test Methods for Tension Testing Wrought and Cast
9、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 Aluminum and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB917/B917M Practice f
10、or Heat Treatment of Aluminum-Alloy Castings from All ProcessesB985 Practice for SamplingAluminum Ingots, Billets, Castings and Finished or Semi-Finished WroughtAluminum Products forCompositional AnalysisD3951 Practice for Commercial PackagingE29 Practice for Using Significant Digits in Test Data to
11、 Determine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base AlloysE94 Guide for Radiographic ExaminationE155 Reference Radiographs for Inspection of Aluminum and Magnesium Castings1 This specification is under the jurisdiction of ASTM Committee B07
12、on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on AluminumAlloy Ingots and Castings.Current edition approved Oct. 1, 2014May 1, 2015. Published October 2014May 2015. Originally approved in 1936. Last previous edition approved in 20122014 asB108/B108M 12B108/B108M
13、14.1. DOI: 10.1520/B0108_B0108M-14.10.1520/B0108_B0108M-15.2 For ASME Boiler and Pressure Code application see related SB-108.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information,
14、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 what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all
15、 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 the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 10
16、0 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1E165 Practice for Liquid Penetrant Examination for General IndustryE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum
17、 Alloys by the Point to Plane Technique NitrogenAtmosphere (Withdrawn 2011)4E716 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 A
18、tomic Emission SpectrometryE2422 Digital Reference Images for Inspection of Aluminum CastingsIEEE/ASTM SI 10 Standard for Use of the International System of Units (SI): The Modern Metric System2.3 ANSI Standard:5H35.1/H35.1MH35.1/H35.1(M) Alloy and Temper Designation Systems for Aluminum2.4 Military
19、 Standards:6MIL-STD-129 Marking for Shipment and StorageMIL-STD-276 Impregnation of Porous Nonferrous Metal Castings4 The last approved version of this historical standard is referenced on www.astm.org.5 Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600, Arlington, VA 22209, ht
20、tp:/www.aluminum.org.6 Available 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, %ANSID UNS Aluminum Silicon Iron Copper Manga-nese Magne-sium Ch
21、romium 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 . . 0.35308
22、.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 . . 0.50332.0G A03320 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
23、.0G A03360 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 0.6H 1.01.5 0.50H 0.400.6 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 0.6H 0.25 0.35H 0.200.45 . . 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.
25、10 0.400.7 . . 0.10 0.040.20 . 0.05I 0.15E357.0 remainder 6.57.5 0.10 0.10 0.550.6 . . . 0.100.20 . 0.05J 0.15F357.0 remainder 6.57.5 0.10 0.20 0.10 0.400.7 . . 0.10 0.040.20 . 0.05J 0.15359.0 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
26、.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 0.15A444.0 A14440 remainder 6.57.5 0.20 0.10 0.10 0.05 . . 0.10 0.20 . 0.05 0.15513.0G A05130 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
27、0.05 0.100.25 6.27.5 . . . 0.100.25 . 0.05K 0.15705.0 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 0.15711.0G A07110 remainder 0.30 0.71.4 0.350.65 0.05 0.250.45 . . 6.07.0 0.20 . 0.0
28、5 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 remainder 0.7 0.7 0.71.3 0.10 0.10 . 0.71.3 . 0.20 5.57.0 . 0.30851.0G A08510 remainder 2.03.0 0.7 0.71.3 0.10 0.10 . 0.30.7 . 0.20 5.57.0 . 0.30852.0G A08520 remainder 0.40 0.7 1.72.3 0.10 0.60.
29、9 . 0.91.5 . 0.20 5.57.0 . 0.30A When When single units are shown, these indicate the maximum amounts permitted.B Analysis Analysis shall be made for the elements for which limits are shown in this table.C The The following applies to all specified limits in this table: For purposes of determining c
30、onformance to these limits, an observed 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.D ASTM ASTM alloy designations are recor
31、ded in Practice B275.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 specification. However, such analysis is not required and may not cover all metallic Others eleme
32、nts. Should any analysis by the producer 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.F Other ElementsTotal shall be the sum of unspecified metalli
33、c elements 0.010 % or more, rounded to the second decimal before determining the sum.G 336.0 336.0 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.H IfIf the iron content exceeds 0.45 %, manganese content shall not be
34、 less than one half of the iron.I Beryllium 0.040.07.J Beryllium 0.002 maxK Beryllium Beryllium 0.0030.007, boron 0.005 max.B108/B108M 152NAVSEAS9074-AR-GIB-010/278 Requirements for Fabrication Welding and Inspection, and Casting Inspection and Repair forMachinery, Piping, and Pressure Vessels2.5 AM
35、S Specification:AMS 2771 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 and Aluminum Alloys, Chemical Analysis, Inductively Coupled Plasma Optical Emission SpectralAnalysis3. Terminology
36、3.1 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 specification designation (which includes the number, the
37、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 Section 10 and Table 2 Table 3),TABLE 2 Tensile RequirementsA
38、(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 value for elongation shall be rounded to the nearest 0.5 %, both in accordance with the rounding method of Prac
39、tice E29.AlloyTemperBTensileStrength, min,ksiYield StrengthC(0.2 % offset),min, ksiElongation in2 in. or 4 Diameter, min, %Typical BrinellHardnessD500-kgf load,10-mm ballANSIE UNS204.0 A02040 T4 separately cast specimens 48.0 29.0 8.0 .242.0 A02420 T571 34.0 . F 105T61 40.0 . F 110296.0 A02960 T4 33
40、.0 15.0 4.5 75T6 35.0 . 2.0 90T6 35.0 . 2.0 90T7 33.0 16.0 3.0 .308.0 A03080 F 24.0 . . 70308.0 A03080 F 24.0 . . 70319.0 A03190 F 27.0 14.0 2.5 95332.0G A03320 T5 31.0 . F 105333.0 A03330 F 28.0 . F 90T5 30.0 . F 100T6 35.0 . F 105T7 31.0 . F 90336.0G A03360 T551 31.0 . F 105T65 40.0 . F 125354.0 A
41、03540 T61separately cast specimens 48.0 37.0 3.0casting, designated areaH 47.0 36.0 3.0castings, no location designatedH 43.0 33.0 2.0T62separately cast specimens 52.0 42.0 2.0castings, designated areaH 50.0 42.0 2.0castings, no location designatedH 43.0 33.0 2.0355.0 A03550 T51 27.0 . F 75T62 42.0
42、. F 105T7 36.0 . F 90T71 34.0 27.0 F 80C355.0 A33550 T61separately cast specimens 40.0 30.0 3.0 8590castings, designated areaH 40.0 30.0 3.0castings, no location designatedH 37.0 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.
43、0 26.0 5.0 80907 Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http:/www.sae.org.8 Available from European Committee for Standardization (CEN), 36 rueRue de Stassart, B-1050, Brussels, Belgium, http:/www.cenorm.be.B108/B108M 153TABLE 2 Continu
44、edAlloyTemperBTensileStrength, min,ksiYield StrengthC(0.2 % offset),min, ksiElongation in2 in. or 4 Diameter, min, %Typical BrinellHardnessD500-kgf load,10-mm ballANSIE UNScastings, designated areaH 33.0 26.0 5.0castings, no location designatedH 28.0 26.0 3.0357.0 T6 45.0 . 3.0 .A357.0 A13570 T61sep
45、arately cast specimens 45.0 36.0 3.0 100castings, designated areaH 46.0 36.0 3.0 .castings, no location designatedH 41.0 31.0 3.0 .E357.0I T61separately cast specimens 45.0 36.0 3.0 100castings, designated areaH 46.0 36.0 3.0castings, no location designatedH 41.0 31.0 3.0F357.0J T6 45.0 3.0359.0 A03
46、590 T61separately cast specimens 45.0 34.0 4.0 90castings, designated areaH 45.0 34.0 4.0castings, no location designatedH 40.0 30.0 3.0T62separately cast specimens 47.0 38.0 3.0 100castings, designated areaH 47.0 38.0 3.0castings, no location designatedH 40.0 30.0 3.0443.0 A04430 F 21.0 7.0 2.0 45B
47、443.0 A24430 F 21.0 6.0 2.5 45A444.0 A14440 T4separately cast specimens 20.0 . 20 .castings, designated areaH 20.0 . 20 .513.0G A05130 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 3.0711.0G A07110 T1 28.0 18.0 7.0 70713
48、.0 A07130 T1 or T5 32.0 22.0 4.0850.0 A08500 T5 18.0 . 8.0851.0G A08510 T5 17.0 . 3.0T6 18.0 . 8.0852.0G A08520 T5 27.0 . 3.0A If agreed upon by manufacturer and the purchaser, other mechanical properties may be obtained by other heat treatments such as annealing, aging, or stress relieving.B Refer
49、to ANSI H 35.1/H35.1(M) for description of tempers.C Yield Yield strength to be evaluated only when specified in contract or purchase order.D Hardness values given for information only, not required for acceptance.E ASTM alloy designations are recorded in Practice B275.F Not required.G 332.0 332.0 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.H These These properties apply only to castings havin
