ASTM B131-2007 Standard Specification for Copper Alloy Bullet Jacket Cups《铜合金弹头火帽壳的标准规范》.pdf

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1、Designation: B 131 07Standard Specification forCopper Alloy Bullet Jacket Cups1This standard is issued under the fixed designation B 131; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parent

2、heses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification establishes the requirements for bulletjacket preform cups produced of Copper Alloy UNS No.C22000 for processing into bullet jacke

3、ts of the followingtypes and classes:1.1.1 Type ICaliber 0.30.1.1.2 Type IICaliber 0.45.1.1.3 Type IIICaliber 0.50.1.1.4 Type IVAs specified in the contract or order.1.1.5 Class INot annealed.1.1.6 Class IIAnnealed.1.2 The values stated in inch-pound units are the standard,except for grain size, whi

4、ch is given in SI units. Values inparentheses are for information only.2. Referenced Documents2.1 ASTM Standards:2B 601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB 846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic Specimens

5、E29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE 255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE 478 Test Methods for Chemical Analysis of CopperAll

6、oys3. Terminology3.1 For definitions of terms related to copper and copperalloys, see Terminology B 846.3.2 Definitions of Terms Specific to This Standard:3.2.1 cup (cupping), na shallow cylindrical shell closed atone end, normally intended for further fabrication, formedfrom a blank.4. Ordering Inf

7、ormation4.1 Orders for product under this specification should in-clude the following information:4.1.1 ASTM designation and year of issue.4.1.2 Type and class (Section 1),4.1.3 Grain size (Section 7),4.1.4 Dimensions and tolerances (see 8.1),4.1.5 Drawing number to which order applies (see 8.1), an

8、d4.1.6 Work test requirements if required (Section 11).4.1.7 In addition, when material is purchased for agencies ofthe U.S. Government (see Supplementary Requirements sec-tion).5. Material and Manufacture5.1 Material:5.1.1 The material of manufacture shall be annealed plate,sheet, strip, or disks o

9、f wrought Alloy UNS No. C22000processed to produce even-topped cups.5.2 Manufacture:5.2.1 The material shall be blanked and cupped to meet thecup dimensions specified, and subsequently annealed, if re-quired. The annealed cups shall be cleaned to provide a surfacesuitable for subsequent redrawing in

10、to bullet jackets.6. Chemical Composition6.1 The product shall conform to the chemical requirementsprescribed in Table 1.6.2 Composition limits may be established and analysisrequired for unnamed elements by agreement between manu-facturer and purchaser.6.3 Either copper or zinc may be taken as the

11、differencebetween the sum of all elements analyzed and 100 %. Copper,when determined by difference, must conform to the require-ments of Table 1. When all elements in Table 1 are analyzed,the sum shall be 99.8 % min.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copp

12、erAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved Oct. 1, 2007. Published October 2007. Originallyapproved in 1940. Last previous edition approved in 2002 as B 131 02.2For referenced ASTM standards, visit the ASTM website, www.astm.or

13、g, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C

14、700, West Conshohocken, PA 19428-2959, United States.7. Grain Size of Annealed Tempers7.1 Unless there is a prior agreement between the purchaserand supplier the grain size of class II cups shall be produced tohave average grain size corresponding to the limits of theOS025 or OS040 tempers as specif

15、ied in Table 2.7.1.1 Grain size ranges other than those specified in Table 2are to be established by agreement between manufacturer andpurchaser.7.2 Grain size ranges for other cups shall established be byagreement between manufacturer and purchaser.8. Dimensions, Mass, and Permissible Variations8.1

16、 All dimensions and tolerances of cups shall be asindicated on the drawings furnished with the purchase order orcontract.9. Workmanship, Finish, and Appearance9.1 The cups shall be uniform in quality and shall be free ofconditions which would interfere with the purpose for whichthe cups are intended

17、.10. Sampling10.1 The lot size, portion size, and selection of pieces shallbe as follows:10.1.1 Lot Size40 000 lb (18 144 kg) or fraction thereof.10.1.2 Portion Size:10.1.2.1 For chemical analysis5 cups. In accordance withPractice E 255, drillings, millings, etc., shall be taken inapproximately equa

18、l weight from each of the sample cupsselected and combined into one composite sample. The mini-mum weight of the composite sample that is divided into threeequal parts shall be 150 g. Each of the three equal parts shallbe placed in a package and sealed: one for the seller, one for thepurchaser, and

19、one for an umpire.10.1.2.2 For grain size determination20 cups.10.1.2.3 For the determination of dimensions200 cups.10.1.2.4 For the visual inspection2000 cups.10.1.2.5 For work tests500 cups or 5000 cups, when andas required.11. Number of Tests and Retests11.1 Visual InspectionEach cup in the sampl

20、e shall bevisually inspected.11.1.1 Major DefectsNot more than 0.25 % of the cups inthe sample shall contain the following major defects: scalymetal, deep scratches, laminations, slivers, laps, cracks, orwrinkles.11.1.2 Minor DefectsNot more than 2 % of the cups in thesample shall contain the follow

21、ing minor defects: oily cup,greasy cup, dirty cup, oxidized cup, dented or bent edges, orscratches.11.2 Work TestIf required by the purchase order or con-tract, one of the following work tests may be performed by thepurchaser before approval of a lot for shipment:11.2.1 Five hundred cups or more sha

22、ll be subjected to aworking test by processing them through the first drawingoperation. The cups shall draw satisfactorily without showingdefects that will cause them to be unsuitable for the purposeintended.11.2.2 Five thousand cups shall be subjected to a workingtest by processing them satisfactor

23、ily into bullet jackets.11.3 Grain SizeEach cup in the sample shall be tested.11.3.1 If the material fails to pass the visual inspectionexamination or a work test, or if more than one specimen failsthe grain size test, a retest shall be permitted on a sampledouble that of the original sample. The re

24、sult of the retest orretests shall meet the specified requirements.11.4 Chemical AnalysisAn additional sample in accor-dance with 10.1.2.1 is permitted to be made and tested.12. Specimen Preparation12.1 For grain size measurements, either tangential grindingand polishing, or cutting, mounting, and p

25、olishing methodsmay be used to reach the zone (Fig. 1).12.1.1 The test specimen shall be prepared in accordancewith Practice E3.12.2 Specimens for chemical analysis shall be prepared inaccordance with Practice E 255.TABLE 1 Chemical RequirementsElement Composition, %Copper 89.091.0Lead, max 0.05Iron

26、, max 0.05Bismuth, max 0.006Zinc remainderTABLE 2 Grain Size RequirementsStandard Designation(B 601)Average Grain Size, mmnominal min maxOS025 0.025 0.015 0.035OS040 0.040 0.025 0.050 FIG. 1 Location of Areas to Be Examined for Grain Size in BulletJacket CupsB13107213. Test Methods13.1 The propertie

27、s and chemical composition enumeratedin this specification shall, in case of disagreement, be deter-mined in accordance with the following ASTM methods:Test ASTM DesignationCopper E 478Lead E 478(AA)Iron E 478Zinc E 478 (Titrimetric)Grain size E3, E11213.2 The test method(s) used for determination o

28、f ele-ment(s) required by contractual or purchase order agreementshall be as agreed upon between the manufacturer and thepurchaser.13.2.1 Since no recognized test method is known to bepublished, the determination of bismuth shall be subject to theagreement between the manufacturer and purchaser.13.3

29、 Grain size measurements shall be made in a zone thatis the approximate mid-point of the sidewall length andthickness of the cup as shown in Fig. 1. At least threemeasurements shall be made, averaged, and recorded for eachgrain size determination.14. Significance of Numerical Limits14.1 For purposes

30、 of determining compliance with thespecified limits for requirements of the properties listed in thefollowing table, an observed value, or a calculated value, shallbe rounded as indicated in accordance with the roundingmethod of Practice E29.Property Rounded Unit for Observed or Calculated ValueChem

31、ical composition Nearest unit in the last right-hand significant digitused in expressing the limiting valueGrain size Nearest multiple of 0.005 mm15. Inspection15.1 The manufacturer shall inspect and make the testsnecessary to verify that the product furnished conforms tospecification requirements.1

32、5.2 Measurement of DimensionsEach sample cup shallbe gaged for compliance with all the dimensions shown on theapplicable drawing. In addition, each cup in the sample shall bemeasured for sidewall thickness at two or more opposite pointsat the same distance from the mouth or base. The variation inwal

33、l thickness of any cup so measured shall be within the limitsas shown on the drawing.15.3 If, in addition, source inspection of the material by thepurchaser is agreed upon between the manufacturer and thepurchaser as part of the purchase order or contract, the natureof the facilities needed to satis

34、fy the inspector representing thepurchaser that the product is being furnished in accordancewith this specification shall be included in the agreement. Alltests and the inspection shall be conducted so as not to interfereunnecessarily with the operation of the works.15.4 The manufacturer and the pur

35、chaser, by mutual agree-ment, may accomplish the final inspection simultaneously.16. Rejection and Rehearing16.1 Rejection:16.1.1 Product that fails to conform to specification require-ments when inspected or tested by the purchaser or his agentmay be rejected.16.1.2 Rejection shall be reported to t

36、he manufacturer orsupplier promptly and in writing.16.2 Rehearing:16.2.1 As a result of product rejection, the manufacturer orsupplier may make claim for a retest to be conducted by themanufacturer or supplier and the purchaser.16.2.2 Samples of the rejected product shall be taken inaccordance with

37、the product specification and tested by bothparties following the test method(s) specified in the productspecification, or, alternatively, upon agreement of both parties,an independent laboratory may be selected for the test(s)following the specified test methods.17. Certification17.1 When specified

38、 in the contract or purchase order, thepurchaser shall be furnished certification that samples repre-senting each lot have been either tested or inspected as directedin this specification and the requirements have been met.18. Packaging, and Package Marking18.1 The product shall be separated by type

39、 and class, andprepared for shipment in such a manner as to ensure acceptanceby common carrier for transportation and to afford protectionfrom the normal hazards of transportation.18.2 Each shipping unit shall be legibly marked with thepurchase order number, type, class, gross and net weight, andnam

40、e of supplier. The specification number shall be shown,when specified.18.3 In addition to the above, specific instructions appearingon the purchase order or contract, or issued by the contractingofficer, shall be adhered to unless, by mutual agreement, otherprovisions are established.19. Test Report

41、19.1 When specified in the contract or purchase order, areport of test results shall be furnished.20. Keywords20.1 bullet jackets; commercial bronze cupsB131073SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall apply only when specified by the purchaser in theinquiry, contract,

42、 or order, for agencies of the U.S. Government.S1. ScopeS1.1 The following supplementary requirements shall applyonly when specified by the purchaser in the inquiry, contract, ororder, for agencies of the U.S. Government.S2. Referenced DocumentsS2.1 The following documents of the issue in effect on

43、dateof material purchase form a part of this specification to theextent referenced herein:S2.1.1 Federal Standards:3Fed. Std. No. 102 Preservation, Packaging and PackingLevelsFed. Std. No. 123 Marking for Shipment (Civil Agencies)Fed. Std. No. 185 Identification Marking of Copper andCopper-Base Allo

44、y Mill ProductsS2.1.2 Military Standard:3MIL-STD-129 Marking for Shipment and StorageS2.1.3 ASTM Standard:3B 900 Practice for Packaging Copper and Copper-AlloyMill-Product for U.S. Government Agencies2S3. Quality AssuranceS3.1 Responsibility for Inspection:S3.1.1 Unless otherwise specified in the co

45、ntract or pur-chase order, the manufacturer is responsible for the perfor-mance of all inspection and test requirements specified. Exceptas otherwise specified in the contract or purchase order, themanufacturer may use his own or any other suitable facilitiesfor the performance of the inspection and

46、 test requirementsunless disapproved by the purchaser at the time the order isplaced. The purchaser shall have the right to perform any of theinspections and tests set forth in this specification when suchinspections and tests are deemed necessary to assure that thematerial conforms to the prescribe

47、d requirements.S4. Identification MarkingS4.1 All material shall be properly marked for identificationin accordance with Fed. Std. No. 185 except that the ASTMspecification number and the alloy number shall be used.S5. Preparation for DeliveryS5.1 Preservation, Packaging, Packing:S5.1.1 Military Age

48、nciesThe material shall be separatedby size, composition, grade, or class and shall be preserved andpackaged, Level A or C, packed Level A, B, or C, as specifiedin the contract or purchase order, in accordance with therequirements of Practice B 900.S5.1.2 Civil AgenciesThe requirements of Fed. Std.

49、No.102 shall be referenced for definitions of the various levels ofpackaging protection.S5.2 Marking:S5.2.1 Military AgenciesIn addition to any special mark-ing required by the contract or purchase order, marking forshipment shall be in accordance with MIL-STD-129.S5.2.2 Civil AgenciesIn addition to any special markingrequired by the contract or purchase order, marking forshipment shall be in accordance with Fed. Std. No. 123.SUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue (B 131 02)that