1、Designation: B 247M 02aMETRICStandard Specification forAluminum and Aluminum-Alloy Die Forgings, HandForgings, and Rolled Ring Forgings Metric1This standard is issued under the fixed designation B 247M; the number immediately following the designation indicates the year oforiginal adoption or, in th
2、e case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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 Th
3、is specification covers aluminum-alloy (Note 1) dieforgings, hand forgings, and rolled ring forgings as shown inTable 2, Table 3 and Table 4 and in Section 10 for heat-treatable alloy forgings supplied in the F and 01 tempers. Themaximum thicknesses for forgings within the scope of thisspecification
4、 are as indicated in those tables.NOTE 1Throughout this specification use of the term alloy in thegeneral sense includes aluminum as well as aluminum alloy.NOTE 2For forging stock supplied as rolled or cold-finished bar orrod see Specification B 211M. For forging stock supplied as extruded baror rod
5、 see Specification B 221M.1.2 Alloy and temper designations are in accordance withANSI H35.1M. The equivalent Unified Numbering Systemalloy designations are those of Table 1 preceded by A9, forexample, A91100 for aluminum 1100 in accordance withPractice E 527.1.3 For acceptance criteria for inclusio
6、n of new aluminumand aluminum alloys in this specification, see Annex A2.1.4 This specification is the metric counterpart of Specifi-cation B 247.1.5 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisspecification.2. Referenced Documents2.
7、1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein.2.2 ASTM Standards:B 211 Specification for Aluminum and Aluminum-AlloyBar, Rod, and Wire2B 221 Specification for Aluminum and Aluminum-AlloyExtruded Bars, Rod
8、s, Wires, Profiles, and Tubes2B 247 Specification for Aluminum and Aluminum-AlloyDie Forgings, Hand-Forgings, and Rolled Ring Forgings2B 557M Test Methods of Tension Testing Wrought and CastAluminum- and Magnesium-Alloy Products Metric2B 594 Practice for Ultrasonic Inspection of Aluminum-Alloy Wroug
9、ht Products for Aerospace Applications2B 660 Practices for Packaging/Packing of Aluminum andMagnesium Products2B 881 Terminology Relating to Aluminum- andMagnesium-Alloy Products2B 918 Practice for Heat Treatment of Wrought AluminumAlloys2E 10 Test Method for Brinell Hardness of Metallic Materi-als3
10、E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications4E 34 Test Methods for Chemical Analysis of Aluminum andAluminum Base Alloys5E 55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical Composition5E 165 Practice for
11、Liquid Penetrant Examination6E 527 Practice for Numbering Metals and Alloys (UNS)7E 607 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloys by thePoint-to-Plane Technique, Nitrogen Atmosphere5E 716 Practices for Sampling Aluminum and AluminumAlloys for Spectrochemi
12、cal Analysis5E 1004 Test Method for Electromagnetic (Eddy Current)1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.03 onAluminum Alloy Wrought Products.Current edition approved Oct. 10, 2002. Published
13、December 2002. Originallyapproved in 1980. Last previous edition approved in 2002 as B 247M 02.2Annual Book of ASTM Standards, Vol 02.02.3Annual Book of ASTM Standards, Vol 03.01.4Annual Book of ASTM Standards, Vol 14.02.5Annual Book of ASTM Standards, Vol 03.05.6Annual Book of ASTM Standards, Vol 0
14、3.03.7Annual Book of ASTM Standards, Vol 01.01.1*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 States.Measurements of Electrical Conductivity6E 1251 Test Method for Optical E
15、mission SpectrometricAnalysis of Aluminum and Aluminum Alloys by the ArgonAtmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-pacitor Discharge5G 47 Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum AlloyProducts82.3 ANSI Standard:H35.1(M) Alloy an
16、d Temper Designation Systems for Alu-minum32.4 ISO Standards:ISO 209-1:1989 Wrought Aluminum and AluminumAlloysChemical Composition and Form of Product9ISO 2107:1983 Aluminum, Magnesium and their AlloysTemper Designations92.5 Military Standards:MIL-STD-129 Marking for Shipment and Storage10(refer-en
17、ced in MIL-STD-649 and applies only to direct ship-ments to Department of Defense agencies)2.6 SAE:AMS 2772 Heat Treatment of Aluminum Alloy Raw Mate-rials112.7 Federal Standard:Fed. Std. No. 123 Marking for Shipment (Civil Agencies)102.8 National Aerospace Standard:NAS 410 Certification and Qualifi
18、cation of NondestructiveTest Personnel123. Terminology3.1 DefinitionsRefer to Terminology B 881 for definitionsof product terms used in this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 capable ofThe term capable of as used in thisspecification means that the test need not
19、be performed by theproducer of the material. However, should subsequent testingby the purchaser establish that the material does not meet therequirements, the material shall be subject to rejection.4. Ordering Information4.1 Orders for material to this specification shall include thefollowing inform
20、ation:4.1.1 This specification designation (which includes thenumber, the year, and the revision letter, if applicable),8Annual Book of ASTM Standards, Vol 03.02.9Available from American National Standards Institute, 25 W. 43rd St., 4thFloor, New York, NY 10036.10Available from Standardization Docum
21、ents Order Desk, Bldg. 4 Section D,700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.11Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 150960001.12Available from Aerospace Industries Association (AIA), 1250 Eye St., NW,Washington, DC 20005.TABLE 1 C
22、hemical Composition LimitsA,B,CAlloy Silicon Iron CopperMan-ganeseMag-nesiumChro-miumNickel Zinc Zirconium TitaniumOtherElementsD Aluminum,minEach TotalE1100 0.95 Si + Fe 0.050.20 0.05 . . . 0.10 . . 0.05 0.15 99.00F2014 0.501.2 0.7 3.95.0 0.401.2 0.200.8 0.10 . 0.25 . 0.15G0.05 0.15 remainder2018 0
23、.9 1.0 3.54.5 0.20 0.450.9 0.10 1.72.3 0.25 . . 0.05 0.15 remainder2025 0.501.2 1.0 3.95.0 0.401.2 0.05 0.10 . 0.25 . 0.15 0.05 0.15 remainder2218 0.9 1.0 3.54.5 0.20 1.21.8 0.10 1.72.3 0.25 . . 0.05 0.15 remainder2219 0.20 0.30 5.86.8 0.200.40 0.02 . . 0.10 0.100.25 0.020.10 0.05H0.15Hremainder2618
24、 0.100.25 0.91.3 1.92.7 . 1.31.8 . 0.91.2 0.10 . 0.040.10 0.05 0.15 remainder3003 0.6 0.7 0.050.20 1.01.5 . . . 0.10 . . 0.05 0.15 remainder4032 11.013.5 1.0 0.501.3 . 0.81.3 0.10 0.501.3 0.25 . . 0.05 0.15 remainder5083 0.40 0.40 0.10 0.401.0 4.04.9 0.050.25 . 0.25 . 0.15 0.05 0.15 remainder6061 0.
25、400.8 0.7 0.150.40 0.15 0.81.2 0.040.35 . 0.25 . 0.15 0.05 0.15 remainder6066 0.91.8 0.50 0.71.2 0.61.1 0.81.4 0.40 . 0.25 . 0.20 0.05 0.15 remainder6151 0.61.2 1.0 0.35 0.20 0.450.8 0.150.35 . 0.25 . 0.15 0.05 0.15 remainder7049 0.25 0.35 1.21.9 0.20 2.02.9 0.100.22 . 7.28.2 . 0.10 0.05 0.15 remain
26、der7050 0.12 0.15 2.02.6 0.10 1.92.6 0.04 . 5.76.7 0.080.15 0.06 0.05 0.15 remainder7075 0.40 0.50 1.22.0 0.30 2.12.9 0.180.28 . 5.16.1 . 0.20I0.05 0.15 remainder7076 0.40 0.6 0.301.0 0.300.8 1.22.0 . . 7.08.0 . 0.20 0.05 0.15 remainder7175 0.15 0.20 1.22.0 0.10 2.12.9 0.180.28 . 5.16.1 . 0.10 0.05
27、0.15 remainderALimits are in mass percent maximum unless shown as a range or stated otherwise.BAnalysis shall be made for the elements for which limits are shown in this table.CFor purposes of determining conformance to these limits, an observed value or a calculated value obtained from analysis sha
28、ll be rounded to the nearest unit in thelast right-hand place of figures used in expressing the specified limit, in accordance with the rounding-off method of Practice E 29.DOthers includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may a
29、nalyze 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 several
30、Others elements exceeds the limit of Total, the material shall be considerednonconforming.EOther ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.FThe aluminum content shall be calculated by subtracting from 100
31、.00 % the sum of all metallic elements present in amounts of 0.010 % or more each, roundedtothesecond decimal before determining the sum.GUpon agreement between purchaser and producer or supplier, a zirconium-plus-titanium limit of 0.20 % maximum is permitted.HVanadium, 0.050.15 %.IUpon agreement be
32、tween purchaser and producer or supplier, a zirconium-plus-titanium limit of 0.25 % maximum is permitted.B 247M 02a24.1.2 Quantity in pieces or kilograms,4.1.3 Alloy (Section 7),4.1.4 Temper (Section 8),4.1.5 Dimensions (Section 13). A drawing is required for dieforgings and for hand forgings whose
33、shapes are not simplerectangles,TABLE 2 Mechanical Property Limits for Die ForgingsA,BAlloyandTemperSpecified Thickness,mmSpecimen Axis Parallel to Direction of Grain FlowCSpecimen Axis Not Parallel to Direction of Grain FlowCBrinellHardnessD,minOver ThroughTensileStrengthE,MPaYieldStrengthE(0.2 %Of
34、fset),min, MPaElongation, min,%TensileStrengthE,min, MPaYieldStrengthE(0.2 %Offset),min, MPaElongation, min, %ForgingsForgingsSeparateTest Cou-pon (fromstock orforged)Fin 50mmin 53Diameter(5.65 =A )Gin 53Diameter(5.65 =A )Gin 50 mmin 53Diameter(5.65 =A )G1100-H112 . 100.00 75 30 18 16 22 . . . . 202
35、014-T4 . 100.00 380 205 11 9 14 . . . . 1002014-T6 . 25.00 450 385 6 5 7 440 380 3 2 12525.00 50.00 450 385 6 5 . 440 380 2 1 12550.00 80.00 450 380 6 5 . 435 370 2 1 12580.00 100.00 435 380 6 5 . 435 370 2 1 1252018-T61 . 100.00 380 275 7 6 9 . . . . 1002025-T6 . 100.00 360 230 11 9 14 . . . . 1002
36、218-T61 . 100.00 380 275 7 6 9 . . . . 1002219-T6 . 100.00 400 260 8 7 9 385 250 4 3 1002618-T61 . 100.00 400 310 4 3 5 380 290 4 3 1153003-H112 . 100.00 95 35 18 16 22 . . . . 254032-T6 . 100.00 360 290 3 2 4 . . . . 1155083-H111 . 100.00 290 150 14 12 12 270 140 12 10 .5083-H112 . 100.00 275 125 1
37、6 14 14 270 110 14 12 .6061-T6 . 100.00 260 240 7 6 9 260 240 5 4 806066-T6 . 100.00 345 310 8 7 10 . . . . 1006151-T6 . 100.00 305 255 10 9 12 305 255 6 5 907049-T73 . 25.00 495 425 7 6 9 490 420 3 2 13525.00 50.00 495 425 7 6 9 485 415 3 2 13550.00 80.00 490 420 7 6 9 485 415 3 2 13580.00 100.00 4
38、90 420 7 6 9 485 415 2 1 135100.00 130.00 485 415 7 6 9 470 400 2 1 1357050-T74H. 50.00 495 425 7 6 9 470 385 5 4 13550.00 100.00 490 420 7 6 9 460 380 4 3 135100.00 130.00 485 415 7 6 9 455 370 3 2 135110.00 150.00 485 405 7 6 9 455 370 3 2 1357075-T6 . 25.00 515 440 7 6 9 490 420 3 2 13525.00 50.0
39、0 510 435 7 6 . 490 420 3 2 13550.00 80.00 510 435 7 6 . 485 415 3 2 13580.00 100.00 505 435 7 6 . 485 415 2 1 1357075-T73 . 80.00 455 385 7 6 . 425 365 3 2 12580.00 100.00 440 380 7 6 . 420 360 2 1 1257075-T7352 . 80.00 455 385 7 6 . 425 350 3 2 12580.00 100.00 440 365 7 6 . 420 340 2 1 1257076-T61
40、 . 100.00 485 415 10 9 10 460 400 3 2 1407175-T74H. 80.00 525 455 7 6 9 490 425 4 3 .7175-T7452H. 80.00 505 435 7 6 9 470 380 4 3 .7175-T7454H. 80.00 515 450 7 6 9 485 420 4 3 .ATo determine conformance to this specification, each value for tensile strength and yield strength shall be rounded to the
41、 nearest 1 MPa and each value for elongationto the nearest 0.5 % (or the nearest 0.1 % if measured in accordance with 7.6.4 of Test Methods B 557M), in accordance with the rounding-off method of Practice E 29.BFor the basis for establishment of strength property limits, see Annex A1.CThese values ap
42、ply to standard specimens. For the heat-treatable alloys the thicknesses shown are the maximum thickness at time of heat treatment for which theindicated properties apply. Forgings machined prior to heat treatment shall develop the properties applicable to the heat-treated thickness provided the as-
43、forged thicknessis not more than twice the heat-treated thickness.DFor information only. The hardness is usually measured on the surface of a forging using a 500-kgf load and 10-mm ball.ETensile property test requirements in any direction are limited to a minimum material dimension of 50 mm because
44、of the difficulty in obtaining a tension test specimensuitable for routine control testing.FThese values apply to standard 12.5-mm diameter test specimens machined from the stock used in making the forgings, or from separately forged couponsrepresentative of the forgings.GA represents cross-sectiona
45、l area of the specimen.HBeginning with the 1985 issue the T736, T73652, and T73654 tempers were replaced by the T74, T7452, and T7454 tempers respectively as applicable to alloys 7050and 7175.B 247M 02a34.2 Additionally, orders for material to this specificationshall include the following informatio
46、n when required by thepurchaser:4.2.1 For die forgings, whether tensile property and grainflow survey shall be made (see 8.2.1.1),4.2.2 For die forgings, whether tension tests are requiredusing specimens not parallel to the direction of grain flow andwhether such test specimens shall be prepared by
47、a specificmethod (see 8.3.1),TABLE 3 Mechanical Property Limits for Rolled Ring ForgingsA,B,CAlloy and TemperMaximum Heat TreatSection Thickness, mmDirectionTensileStrength,min, MPaDYield Strength(0.2 % Offset),min, MPaDElongation, min,%Over Through in 50 mmin 53 Dia.(5.65 =A )E2014-T6 and 2014-T652
48、F. 65.00 tangentialaxialradialG45042541538038036073262165.00 80.00 tangentialaxialradialG450425.380360.62.51.2219-T6 . 65.00 tangentialaxialradialG3853803652752552406425312618-T61 . 65.00 tangentialaxialradialG380380.285285.65.54.6061-T6 and 6061-T652F. 65.00 tangential 260 240 10 9axial 260 240 8 7
49、radialG255 230 5 465.00 90.00 tangential 260 240 8 7axial 260 240 6 5radialG255 230 4 36151-T6 and 6151-T652F. 65.00 tangentialaxialradialG3053052902552402405424317075-T6 and 7075-T652F. 50.00 tangential 505 425 7 6axial 495 420 3 2radialG470 400 2 150.00 90.00 tangential 490 415 6 5axial 485 405 3 2radialG. . . .ATo determine conformance to this specification each value for tensile strength and yield strength shall be rounded to the nearest 1 MPa and each value for elongationto the nearest 0.5 % (or the nea
