ASTM B129-2007 Standard Specification for Cartridge Brass Cartridge Case Cups《弹药筒黄铜弹壳帽壳的标准规范》.pdf

1、Designation: B 129 07Standard Specification forCartridge Brass Cartridge Case Cups1This standard is issued under the fixed designation B 129; 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 pa

2、rentheses 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 an-nealed cartridge brass cups produced of Copper Alloy UNSNo. C26000 for processing into car

3、tridge cases of the follow-ing types:1.1.1 Type I, for small arms cartridge case cups, and1.1.2 Type II, for artillery cartridge case cups.1.2 The values stated in inch-pound units are the standard,except for grain size, which is given in SI units. Values inparentheses are for information only.2. Re

4、ferenced 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 SpecimensE29 Practice for Using Significant Digits in Test Data toDetermine Conforman

5、ce 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 CopperAlloys3. Terminology3.1 For definitions of terms related to copper and copperal

6、loys, refer to 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 Information4.1 Orders of product under this specification should in-clude

7、the following information:4.1.1 ASTM designation and year of issue,4.1.2 Type (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), and4.1.6 When the material is purchased for agencies of theU.S. Government, (see Sup

8、plementary Requirements section).5. Material and Manufacture5.1 Material:5.1.1 The material of manufacture shall be annealed plate,sheet, strip, or disks of wrought Alloy UNS No. C26000processed to produce even-topped cups.5.2 Manufacture:5.2.1 The material shall be blanked and cupped to meet thecup

9、 dimensions specified, and subsequently annealed. Theannealed cups shall be pickled, washed, and dried.6. Chemical Composition6.1 The product shall conform to the requirements pre-scribed in Table 1.6.2 Composition limits may be established and analysisrequired for unnamed elements by agreement betw

10、een manu-facturer and purchaser.6.3 Either copper or zinc may be taken as the differencebetween the sum of all elements analyzed and 100 %. Copper,when determined by the difference, must conform to therequirements of Table 1. When all elements in Table 1 areanalyzed, their sum shall be 99.7 % min.7.

11、 Grain Size of Annealed Tempers7.1 Unless there is a prior agreement between the purchaserand supplier, the grain size for 0.30, 0.45, and 0.50 calibers willbe produced to the grain size requirements specified in Table 2.7.1.1 Grain size ranges other than those specified in Table 2shall be establish

12、ed by agreement between manufacturer andpurchaser.7.1.2 Grain size ranges for other cups shall be established byagreement between manufacturer and purchaser.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B

13、05.01 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 129 02.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For

14、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 C700, West Conshohocken, PA 19428-2959, United States.8. Dim

15、ensions, Mass, and Permissible Variations8.1 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 ofoil, grease, oxidation, stains, scal

16、e, chips, acid, dirt or grit,dented or bent edges, laminations, slivers, laps, cracks, deepscratches, wrinkles, or other injurious defects which wouldinterfere with the purpose for which the cups are intended. Thecups, subsequent to annealing, shall be pickled, washed, anddried.10. Sampling10.1 The

17、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 grain size15 cups for Type I, or 2 cups forType II.10.1.2.2 For determination of dimensions200 cups.10.1.2.3 For the visual inspection2000 cups

18、.10.1.3 Samples for chemical analysis are to be taken inaccordance with Practice E 255.11. Number of Tests and Retests11.1 Specimens taken from each sample piece selected inaccordance with 10.1.2.1 shall be tested for conformance to thegrain size requirement.11.2 Retests:11.2.1 If the chemical analy

19、sis fails to conform to thespecified limits, analysis shall be made on a composite sample,prepared from the pieces selected from each portion involved,consisting of either 15 cups from Type I or two cups from TypeII. The results of this retest shall comply with the specifiedrequirements.11.2.2 Failu

20、re of more than two samples of Type I cups tocomply to the grain size requirements shall be cause forrejection of the lot. If two samples fail to comply a retest shallbe permitted on a sample double that of the original sample.Each of the specimens so retested shall meet the specifiedrequirements.11

21、.2.3 Failure of the two samples of Type II cups to complyto the grain size requirements shall be cause for rejection of thelot. If one sample fails, a retest shall be permitted on a sampledouble that of the original sample. Each of the specimens soretested shall meet the specified requirements.12. S

22、pecimen Preparation12.1 For grain size measurements, either tangential grindingand polishing, or cutting, mounting, and polishing 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 prepa

23、red inaccordance with Practice E 255.13. Test Methods13.1 The properties and chemical compositions enumeratedin this specification shall, in case of disagreement, be deter-mined in accordance with the following ASTM methods:TestASTMDesignationCopper E 478Lead E 478 (AA)Iron E 478Zinc E 478 (Titrimet

24、ric)Grain size E3, E11213.2 The test method(s) used for determination of 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

25、 be subject to theagreement between the manufacturer and purchaser.13.3 Grain size measurements shall be made in a zonewhich is the approximate midpoint of the side wall length andTABLE 1 Chemical RequirementsCopper Alloy UNS No. C26000Element Composition, %Copper 68.571.5Lead, max 0.07Iron, max 0.0

26、5Bismuth, max 0.006Zinc remainderTABLE 2 Grain Size Requirements on SidewallAType CaliberTemperDesignationBDiameter of Average GrainSize, mmmin maxI 0.30 and 0.45 OS080 0.045 0.1200.50 OS110 0.065 0.150II Grain size subject to agreement by the manufacturer and the pur-chaserAApproximately midway of

27、the length of the sidewall.BStandard designations are defined in Practice B 601.FIG. 1 Location of Areas to be Examined for Grain Size inCartridge Case CupsB129072thickness of the cups, as shown in Fig. 1. At least threemeasurements shall be made, averaged, and recorded for eachgrain size determinat

28、ion.13.4 When specified on the purchase order or contract, grainsize measurements shall also be made on the base of the samecups as 13.3. These measurements shall be made in a zoneapproximately bounding the midpoint of the base, and approxi-mately the midpoint of the thickness as shown in Fig. 1.Atl

29、east three measurements shall be made, averaged, and re-corded for each grain size determination.14. Significance of Numerical Limits14.1 For purposes of determining compliance with thespecified limits for requirements of the properties listed in thefollowing table, an observed value or a calculated

30、 value shallbe rounded as indicated in accordance with the roundingmethod of Practice E29.PropertyRounded Unit forObserved or Calculated ValueChemical composition nearest unit in the last righthand signif-icant digit used in expressing thelimiting valueGrain size:Up to 0.055 mm, incl nearest multipl

31、e of 0.005 mmOver 0.055 to 0.160 mm, incl nearest 0.01 mm15. Inspection15.1 Visual InspectionEach cup in the sample shall bevisually inspected.15.1.1 Major DefectsNot more than 0.25 % of the cups inthe sample shall contain the following major defectsscalymetal, deep scratches, laminations, slivers,

32、laps, cracks, andwrinkles.15.1.2 Minor DefectsNot more than 2 % of the cups in thesample shall contain the following minor defectsoily cup,greasy cup, dirty or gritty cup, oxidized cup, stained cup,dented or bent edges, and scratches.15.2 Measurement of DimensionsEach sample cup shallbe gaged for co

33、mpliance with all the dimensions shown on theapplicable drawing. In addition, each cup in the sample shall bemeasured for side wall thickness at two or more opposite pointson the same periphery. The variation in wall thickness of anycup so measured shall be within the limits as shown on thedrawing.N

34、OTE 1For the purpose of determining conformance with the dimen-sional requirements prescribed in this specification, any measured valueoutside the specified limiting values for any dimension may be cause forrejection.15.3 If, in addition, source inspection of the material by thepurchaser is agreed u

35、pon between the manufacturer and thepurchaser as part of the purchase order or contract, the natureof the facilities needed to satisfy the inspector representing thepurchaser that the product is being furnished in accordancewith this specification shall be included in the agreement. Alltests and the

36、 inspection shall be conducted so as not to interfereunnecessarily with the operation of the works.15.4 The manufacturer and the purchaser, by mutual agree-ment, may accomplish the final inspection simultaneously.NOTE 2A deep scratch is one 0.005 in. (0.13 mm) or greater in depth.16. Rejection and R

37、ehearing16.1 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 the manufacturer orsupplier promptly and in writing.16.1.3 In case of dissatisfaction with the result

38、s of the testupon which rejection is based, the manufacturer or suppliermay make a claim for a rehearing.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

39、the rejected product shall be taken inaccordance with 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 speci

40、fied test methods.17. Certification17.1 When specified 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 Packa

41、ge Marking18.1 The product shall be separated by type and size, 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 ord

42、er number, type, size, gross and net weight, andname 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 agreeme

43、nt, otherprovisions are established.19. Test Report19.1 When specified in the contract or purchase order, areport of test results shall be furnished.20. Keywords20.1 cartridge brass annealed cups; cartridge case cupsB129073SUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall appl

44、y only when specified by the purchaser in theinquiry, contract 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 Do

45、cumentsS2.1 The following documents of the issue in effect on 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

46、. No. 185 Identification Marking of Copper andCopper-Base Alloy Mill ProductsS2.1.2 Military Standards:3MIL-STD-129 Marking for Shipment and StorageS2.1.3 ASTM Standards:B 900 Practice for Packaging of Copper and Copper-AlloyMill-Products for U.S. Government Agencies2S3. Quality AssuranceS3.1 Respon

47、sibility for InspectionUnless otherwise speci-fied in the contract or purchase order, the manufacturer isresponsible for the performance of all inspection and testrequirements specified. Except as otherwise specified in thecontract or purchase order, the manufacturer may use his ownor any other suit

48、able facilities for the performance of theinspection and test requirements unless disapproved by thepurchaser at the time the order is placed. The purchaser shallhave the right to perform any of the inspections and tests setforth when such inspections and tests are deemed necessary toassure that the

49、 material conforms to prescribed requirements.S4. TemperS4.1 Type I cups except the caliber 0.50 (three draw), 20mm and 30 mm cup, shall conform to a grain size requirementof 0.060 to 0.120 mm in the mid-sidewall and the grain sizeshall not exceed 0.150 mm in the base. The grain size for thecaliber 0.50 (three draw), 20 mm and 30 mm cup shall bewithin 0.070 to 0.140 mm in the mid-sidewall and shall notexceed 0.170 mm in the base. The grain size of Type II cupsshall be as agreed upon between the manufacturer and thecontracting officer.S5. Initial Production SampleS5.1