1、Designation: B 247 02aStandard Specification forAluminum and Aluminum-Alloy Die Forgings, HandForgings, and Rolled Ring Forgings1This standard is issued under the fixed designation B 247; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revis
2、ion, 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 This specificatio
3、n2covers aluminum-alloy (Note 1) dieforgings, hand forgings, and rolled ring forgings as shown inTable 2, Table 3 and Table 4in Section 10 for heat-treatablealloy forgings supplied in the F and 01 tempers. The maximumthicknesses for forgings within the scope of this specificationare as indicated in
4、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 211. For forging stock supplied as extruded bar orrod see Specification B 2
5、21.1.2 Alloy and temper designations are in accordance withANSI H35.1. The equivalent Unified Numbering System alloydesignations are those of Table 1 preceded by A9, for example,A91100 for aluminum 1100 in accordance with Practice E 527.1.3 For acceptance criteria for inclusion of new aluminumand al
6、uminum alloys in this specification, see Annex A2.1.4 A complete metric standard to Specification B 247 hasbeen developedSpecification B 247M; therefore, no metricequivalents are presented in this specification.2. Referenced Documents2.1 The following documents of the issue in effect on dateof mater
7、ial 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 Wire3B 221 Specification for Aluminum and Aluminum-AlloyExtruded Bars, Rods, Wires, Profiles, and Tubes3B 557 Test Methods for Tension Tes
8、ting Wrought and CastAluminum- and Magnesium-Alloy Products3B 594 Practice for Ultrasonic Inspection of Aluminum-Alloy Wrought Products for Aerospace Applications3B 660 Practices for Packaging/Packing of Aluminum andMagnesium Products3B 881 Terminology Relating to Aluminum- andMagnesium-Alloy Produc
9、ts3B 918 Practice for Heat Treatment of Wrought AluminumAlloys3E 10 Test Method for Brinell Hardness of Metallic Materi-als4E 29 Practice for Using Significant Digits in Test Data toDetermine Conformance with Specifications5E 34 Test Methods for Chemical Analysis of Aluminum andAluminum Base Alloys6
10、E 55 Practice for Sampling Wrought Nonferrous Metals andAlloys for Determination of Chemical Composition6E 165 Test Method for Liquid Penetrant Examination7E 527 Practice for Numbering Metals and Alloys (UNS)8E 607 Test Method for Optical Emission SpectrometricAnalysis of Aluminum and Aluminum Alloy
11、s by thePoint-to-Plane Technique, Nitrogen Atmosphere6E 716 Practices for Sampling Aluminum and AluminumAlloys for Spectrochemical Analysis6E 1004 Practice for Determining Electrical ConductivityUsing the Electromagnetic Eddy-Current Method7E 1251 Test Method for Optical Emission SpectrometricAnalys
12、is of Aluminum and Aluminum Alloys by the ArgonAtmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-pacitor Discharge6G 47 Test Method for Determining Susceptibility to Stress-Corrosion Cracking of 2XXX and 7XXX Aluminum-Alloy Products92.3 ANSI Standard:H35.1 Alloy and Temper Designation Systems
13、for Alumi-num31This 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 December 2002. Originallyapproved in 1950. Last prev
14、ious edition approved in 2002 as B 247-02.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SB-247 in Section II of that Code.3Annual Book of ASTM Standards, Vol 02.02.4Annual Book of ASTM Standards, Vol 03.01.5Annual Book of ASTM Standards, Vol 14.02.6Annual Book of
15、ASTM Standards, Vol 03.05.7Annual Book of ASTM Standards, Vol 03.03.8Annual Book of ASTM Standards, Vol 01.01.9Annual Book of ASTM Standards, Vol 03.02.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohock
16、en, PA 19428-2959, United States.2.4 Military Standards:MIL-STD-129 Marking for Shipment and Storage10(refer-enced in MIL-STD-649 and applies only to direct ship-ments to Department of Defense agencies).2.5 SAE:AMS 2772 Heat Treatment of Aluminum Alloys Raw Ma-terials112.6 Federal Standard:Fed. Std.
17、 No. 123 Marking for Shipment (Civil Agencies)102.7 National Aerospace Standard:NAS 410 Certification and Qualification of NondestructiveTest Personnel123. Terminology3.1 Definitions:3.1.1 Refer to Terminology B 881 for definitions of productterms used in this specification.3.2 Definitions of Terms
18、Specific to This Standard:3.2.1 capable ofThe term capable of as used in thisspecification means that the test need not 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 sub
19、ject to rejection.4. Ordering Information4.1 Orders for material to this specification shall include thefollowing information:4.1.1 This specification designation (which includes thenumber, the year, and the revision letter, if applicable),4.1.2 Quantity in pieces or pounds,4.1.3 Alloy (Section 7),4
20、.1.4 Temper (Section 8),4.1.5 Dimensions (Section 13). A drawing is required for dieforgings and for hand forgings whose shapes are not simplerectangles,4.2 Additionally, orders for material to this specificationshall include the following information when required by thepurchaser:4.2.1 For die forg
21、ings, whether tensile property and grainflow survey shall be made (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 a specificmethod (8.3.1),4.2.3 For hand forgings, whet
22、her tension tests shall be madein other than the long transverse and short transverse directions(8.3.3),4.2.4 For rolled ring forgings, whether tension tests shall bemade in the radial direction (8.3.4),4.2.5 Whether it is required in tension tests that smallelongations shall be measured by a specia
23、l procedure (8.4.2),4.2.6 Whether heat treatment in accordance with PracticeB 918 is required (9.2),10Available from Standardization Documents Order Desk, Bldg. 4 Section D,700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.11Available from Society of Automotive Engineers (SAE), 400 Commonwe
24、althDr., Warrendale, PA 15096-0001.12Available from Aerospace Industries Association (AIA), 1250 Eye St., NW,Washington, DC 20005.TABLE 1 Chemical Composition LimitsA,B,CAlloy Silicon Iron CopperMan-ganeseMag-nesiumChro-miumNickel ZincZir-coniumTitaniumOther ElementsDAlumi-numEach TotalE1100 0.95 Si
25、 + Fe 0.050.20 0.05 . . . 0.10 . . 0.05 0.15 99.00 minF2014 0.501.2 0.7 3.95.0 0.401.2 0.200.8 0.10 . 0.25 0.15G0.05 0.15 remainder2018 0.9 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
26、.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 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
27、.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 0.400.8 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.
28、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 remainder7050 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 remainder707
29、6 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 0.15 remainderALimits are in weight percent maximum unless shown as a range or stated otherwise.BAnalysis shall be made for the elements for which limits are shown i
30、n this table.CFor purposes of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall 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 Prac
31、tice E 29.DOthers 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 elements. Should
32、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.EOther ElementsTotal shall be the sum of unspecified metallic elements 0.
33、010 % or more, rounded to the second decimal before determining the sum.FThe aluminum content shall be calculated by subtracting from 100.00 % the sum of all metallic elements present in amounts of 0.010 % or more each, roundedtothesecond decimal before determining the sum.GUpon agreement between pu
34、rchaser and producer or supplier, a zirconium-plus-titanium limit of 0.20 % maximum is permitted.HVanadium, 0.050.15 %.IUpon agreement between purchaser and producer or supplier, a zirconium-plus-titanium limit of 0.25 % maximum is permitted.B 247 02a24.2.7 Whether 7075-F material shall meet the req
35、uirementsfor T73 temper (10.3),4.2.8 Whether ultrasonic inspection is required (Section 14and Table 4),TABLE 2 Mechanical Property Limits for Die ForgingsA,BAlloy andTemperSpecified Thick-ness, in.Specimen Axis Parallel to Direction of GrainFlowCSpecimen Axis Not Parallel to Direction ofGrainFlowCBr
36、inellHard-nessD, minTensileStrengthE,min, ksiYieldStrengthE(0.2 %Offset),min,ksiElongationEin 2 in.or 4 3Dia, min, %TensileStrengthE,min,ksiYieldStrengthE(0.2 %Offset),min, ksiElongationEin2 in. or 4 3Dia., min,% ForgingsForgingsSeparateTestCoupon(fromstockorforged)F1100-H112 up through 4.000 11.0 4
37、.0 18 25 . . . 202014-T4 up through 4.000 55.0 30.0 11 16 . . . 1002014-T6 up through 1.000 65.0 56.0 6 8 64.0 55.0 3 1251.0012.000 65.0 56.0 6 . 64.0 55.0 2 1252.0013.000 65.0 55.0 6 . 63.0 54.0 2 1253.0014.000 63.0 55.0 6 . 63.0 54.0 2 1252018-T61 up through 4.000 55.0 40.0 7 10 . . . 1002025-T6 u
38、p through 4.000 52.0 33.0 11 16 . . . 1002218-T61 up through 4.000 55.0 40.0 7 10 . . . 1002219-T6 up through 4.000 58.0 38.0 8 10 56.0 36.0 4 1002618-T61 up through 4.000 58.0 45.0 4 6 55.0 42.0 4 1153003-H112 up through 4.000 14.0 5.0 18 25 . . . 254032-T6 up through 4.000 52.0 42.0 3 5 . . . 1155
39、083-H111 up through 4.000 42.0 22.0 14 14 39.0 20.0 12 .5083-H112 up through 4.000 40.0 18.0 16 16 39.0 16.0 14 .6061-T6 up through 4.000 38.0 35.0 7 10 38.0 35.0 5 806066-T6 up through 4.000 50.0 45.0 8 12 . . . 1006151-T6 up through 4.000 44.0 37.0 10 14 44.0 37.0 6 907049-T73 up through 1.000 72.
40、0 62.0 7 10 71.0 61.0 3 1351.0012.000 72.0 62.0 7 10 70.0 60.0 3 1352.0013.000 71.0 61.0 7 10 70.0 60.0 3 1353.0014.000 71.0 61.0 7 10 70.0 60.0 2 1354.0015.000 70.0 60.0 7 10 68.0 58.0 2 1357050-T74Gup through 2.000 72.0 62.0 7 10 68.0 56.0 5 1352.0014.000 71.0 61.0 7 10 67.0 55.0 4 1354.0015.000 7
41、0.0 60.0 7 10 66.0 54.0 3 1355.0016.000 70.0 59.0 7 10 66.0 54.0 3 1357075-T6 up through 1.000 75.0 64.0 7 10 71.0 61.0 3 1351.0012.000 74.0 63.0 7 . 71.0 61.0 3 1352.0013.000 74.0 63.0 7 . 70.0 60.0 3 1353.0014.000 73.0 62.0 7 . 70.0 60.0 2 1357075-T73 up through 3.000 66.0 56.0 7 . 62.0 53.0 3 125
42、3.0014.000 64.0 55.0 7 . 61.0 52.0 2 1257075-T7352 up through 3.000 66.0 56.0 7 . 62.0 51.0 3 1253.0014.000 64.0 53.0 7 . 61.0 49.0 2 1257076-T61 up through 4.000 70.0 60.0 10 14 67.0 58.0 3 1407175-T74Gup through 3.000 76.0 66.0 7 10 71.0 62.0 4 .7175-T7452Gup through 3.000 73.0 63.0 7 10 68.0 55.0
43、 4 .7175-T7454Gup through 3.000 75.0 65.0 7 10 70.0 61.0 4 .ATo determine conformance to this specification, each value for tensile strength and yield strength shall be rounded to the nearest 0.1 ksi and each value for elongationto the nearest 0.5 % (or the nearest 0.1 % if measured in accordance wi
44、th 7.6.4 of Test Methods B 557), 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 apply to standard specimens. For the heat-treatable alloys the thicknesses shown are the maximum thickness at time of
45、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-forged thicknessis not more than twice the heat-treated thickness.DFor information only. The hardness is usually mea
46、sured 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 2.000 in. because of the difficulty to obtain a tension test specimensuitable for routine control testing.FThese values apply to s
47、tandard12-in. diameter test specimens machined from the stock used in making the forgings, or from separately forged coupons representativeof the forgings.GBeginning with the 1985 issue the T736, T73652, and T73654 tempers were replaced by the T74, T7452, and T7454 tempers respectively as applicable
48、 to alloys 7050and 7175.B 247 02a34.2.9 Whether liquid-penetrant inspection is required (15.3),4.2.10 Whether inspection or witness of inspection and testsby the purchasers representative is required prior to materialshipment (Section 16),4.2.11 Whether certification is required (Section 18),4.2.12
49、Whether hand forgings shall be marked for identifi-cation (Section 19), and4.2.13 Whether Practices B 660 applies and, if so, the levelsof preservation, packaging, and packing required (Section 20).TABLE 3 Mechanical Property Limits for Rolled Ring ForgingsA,B,CAlloy andTemperMaximumHeat TreatSection Thick-ness, in.DirectionTensile Strength,min, ksiDYield Strength(0.2 % Offset),min, ksiDElongationin 2 in. or4 3 Diameter,min, %2014-T6 and2014-T652Eup through2.500tangentialaxialradialF65.062.060.055.05
