ASTM B131-2012 Standard Specification for Copper Alloy Bullet Jacket Cups 《铜合金弹头火帽壳标准规格》.pdf

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1、Designation:B13107 Designation: B131 12Standard Specification forCopper Alloy Bullet Jacket Cups1This standard is issued under the fixed designation B131; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A

2、 number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification establishes the requirements for bullet jacket preform cups produced of Copper Alloy UNS No. C22000for processing

3、into bullet jackets of the following types 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.1.2The values stated in inch-pound units are the standard, except f

4、or grain size, which is given in SI units. Values in parenthesesare for information only.1.2 UnitsValues stated in inch-pound units are to be regarded as standard, except for grain size, which is given in SI units.The values in parentheses are mathematical conversions to SI units, which are provided

5、 for information only and are not consideredstandard.2. Referenced Documents2.1 ASTM Standards:2B601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE29 Practice for Us

6、ing Significant Digits in Test Data to Determine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys for the Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper Alloys3. Terminology3

7、.1 For definitions of terms related to copper and copper alloys, see Terminology B846.3.2 Definitions of Terms Specific to This Standard:3.2.1 cup (cupping), na shallow cylindrical shell closed at one end, normally intended for further fabrication, formed froma blank.4. Ordering Information4.1Orders

8、 for product under this specification should include the following information:4.1 Include the following specified choices when placing orders for product under this specification, as applicable: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.

9、1.4 Dimensions and tolerances (see 8.1),4.1.5 Drawing number to which order applies (see 8.1), and4.1.6 Work test requirements if required (Section 11).1This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05

10、.01 on Plate,Sheet, and Strip.Current edition approved Oct.April 1, 2007.2012. Published October 2007.May 2012. Originally approved in 1940. Last previous edition approved in 20022007 asB131 027. DOI: 10.1520/B0131-07.10.1520/B0131-12.2For referenced ASTM standards, visit the ASTM website, www.astm.

11、org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what ch

12、anges have been made to the previous version. Becauseit may not be technically possible to adequately depict all 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 off

13、icial document.*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.4.1.7 In addition, when material is purchased for agencies of the U.S. Government (see Supplementary Requ

14、irements 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. C22000 processedto produce even-topped cups.5.2 Manufacture:5.2.1 The materialproduct shall be blanked and cupped to meet the cup dimen

15、sions specified, and subsequently annealed, ifrequired. The annealed cups shall be cleaned to provide a surface suitable for subsequent redrawing into bullet jackets.6. Chemical Composition6.1 The product shall conform to the chemical composition requirements prescribed in Table 1.6.2Composition lim

16、its may be established and analysis required for unnamed elements by agreement between manufacturer andpurchaser.6.3Either copper or zinc may be taken as the difference between the sum of all elements analyzed and 100%. Copper, whendetermined by difference, must conform to the requirements of6.2 The

17、se composition limits do not preclude the presence of other elements. By agreement between the manufacturer andpurchaser, limits may be established and analysis required for unnamed elements.6.3 Because zinc is listed as “remainder”, either copper or zinc may be taken as the difference between the s

18、um of results ofall elements determined and 100 %. When all elements in Table 1 . When all elements in Table 1 are analyzed, the sum shall be99.8% min. are determined, the sum of the results shall be 99.8 % min.7. Grain Size of Annealed Tempers7.1 Unless there is a prior agreement between the purcha

19、ser and supplier the grain size of class II cups shall be produced to haveaverage grain size corresponding to the limits of the OS025 or OS040 tempers as specified in Table 2.7.1.1 Grain size ranges other than those specified in Table 2 are to be established by agreement between manufacturer andpurc

20、haser.7.2Grain size ranges for other cups shall established be by agreement between manufacturer and purchaser.7.2 Grain size ranges for other cups shall be established by agreement between manufacturer and purchaser.7.3 Acceptance or rejection based upon grain size shall depend only on the average

21、grain size of a test specimen taken fromeach of two sample portions, and each specimen shall be within the limits prescribed in Table 2 when determined in accordancewith Test Method E112.8. Dimensions, Mass, and Permissible Variations8.1 All dimensions and tolerances of cups shall be as indicated on

22、 the drawings furnished with the purchase order or contract.9. Workmanship, Finish, and Appearance9.1 The cups shall be uniform in quality and shall be free of conditions which would interfere with the purpose for which thecups are intended.10. Sampling10.1 The lot size, portion size, and selection

23、of pieces shall be 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 with Practice E255, drillings, millings, etc., shall be taken inapproximately equal weight from each of the sample cups selected and combined

24、 into one composite sample. The minimum weightof the composite sample that is divided into three equal parts shall be 150 g. Each of the three equal parts shall be placed in apackage and sealed: one for the seller, one for the purchaser, and one for an umpire.10.1.2.2 For grain size determination20

25、cups.10.1.2.3 For the determination of dimensions200 cups.10.1.2.4 For the visual inspection2000 cups.TABLE 1 Chemical RequirementsElement Composition, %Copper 89.091.0Lead, max 0.05Iron, max 0.05Bismuth, max 0.006Zinc remainderB131 12210.1.2.5 For work tests500 cups or 5000 cups, when and as requir

26、ed.11. Number of Tests and Retests11.1 Visual InspectionEach cup in the sample shall be visually inspected.11.1.1 Major DefectsNot more than 0.25 % of the cups in the sample shall contain the following major defects: scaly metal,deep scratches, laminations, slivers, laps, cracks, or wrinkles.11.1.2

27、Minor DefectsNot more than 2 % of the cups in the sample shall contain the following minor defects: oily cup, greasycup, dirty cup, oxidized cup, dented or bent edges, or scratches.11.2 Work TestIf required by the purchase order or contract, one of the following work tests may be performed by thepur

28、chaser before approval of a lot for shipment:11.2.1 Five hundred cups or more shall be subjected to a working test by processing them through the first drawing operation.The cups shall draw satisfactorily without showing defects that will cause them to be unsuitable for the purpose intended.11.2.2 F

29、ive thousand cups shall be subjected to a working test by processing them satisfactorily 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 inspection examination or a work test, or if more than one specimen fails the grainsize t

30、est, a retest shall be permitted on a sample double that of the original sample. The result of the retest or retests shall meetthe specified requirements.11.4 Chemical AnalysisAn additional sample in accordance with 10.1.2.1 is permitted to be made and tested.12. Specimen Preparation12.1 For grain s

31、ize measurements, either tangential grinding and polishing, or cutting, mounting, and polishing methods maybe used to reach the zone (Fig. 1).12.1.1 The test specimen shall be prepared in accordance with Practice E3.12.2 Specimens for chemical analysis shall be prepared in accordance with Practice E

32、255.13. Test Methods13.1 The properties and chemical composition enumerated in this specification shall, in case of disagreement, be determined inaccordance with the following ASTM methods:Test ASTM DesignationCopper E478Lead E478(AA)Iron E478Zinc E478 (Titrimetric)Grain size E3, E112TABLE 2 Grain S

33、ize RequirementsStandard Designation(B601)Average Grain Size, mmnominal min maxOS025 0.025 0.015 0.035OS040 0.040 0.025 0.050FIG. 1 Location of Areas to Be Examined for Grain Size in BulletJacket CupsB131 12313.2 The test method(s) used for determination of element(s) required by contractual or purc

34、hase order agreement shall be asagreed upon between the manufacturer and the purchaser.13.2.1 Since no recognized test method is known to be published, the determination of bismuth shall be subject to the agreementbetween the manufacturer and purchaser.13.3 Grain size measurements shall be made in a

35、 zone that is the approximate mid-point of the sidewall length and thicknessof the cup as shown in Fig. 1.At least three measurements shall be made, averaged, and recorded for each grain size determination.14. Significance of Numerical Limits14.1 For the purposes of determining compliance with the s

36、pecified limits for requirements of the properties listed in thefollowing table, an observed value, or a calculated value, shall be rounded as indicated in accordance with the rounding methodof Practice E29.Property Rounded Unit for Observed or Calculated ValueChemical composition Nearest unit in th

37、e last right-hand significant digitused in expressing the limiting valueGrain size Nearest multiple of 0.005 mm15. Inspection15.1 The manufacturer or supplier shall inspect and make the tests necessary to verify that the product furnished productconforms to specification requirements.15.2 Measuremen

38、t of DimensionsEach sample cup shall be gaged for compliance with all the dimensions shown on theapplicable drawing. In addition, each cup in the sample shall be measured for sidewall thickness at two or more opposite pointsat the same distance from the mouth or base. The variation in wall thickness

39、 of any cup so measured shall be within the limits asshown on the drawing.15.3If, in addition, source 15.3 Source inspection of the materialproduct by the purchaser is may be agreed upon between themanufacturer, or supplier, and the purchaser as part of the purchase order or contract, order. In such

40、 case, the nature of the facilitiesneeded to satisfy the inspector, representing the purchaser, that the product is being furnished in accordance with thisspecificationthe specification, shall be included in the agreement. All teststesting and the inspection shall be conducted so as notto interfere

41、unnecessarily with the operation of the works.15.4The manufacturer and 15.4 When mutually agreed upon, the purchaser, by mutual agreement, may accomplishmanufac-turer, or supplier, and the purchaser, shall conduct the final inspection simultaneously.16. Rejection and Rehearing16.1 Rejection:16.1.1Pr

42、oduct that fails to conform to specification requirements when inspected or tested by the purchaser or his agent may berejected.16.1.2Rejection shall be reported to the manufacturer or supplier promptly and in writing.16.1.1 Product that fails to conform to specification requirements when inspected

43、or tested by the purchaser or purchasers agentshall be subject to rejection.16.1.2 Rejection shall be reported to the manufacturer or supplier promptly. In addition, a written notification of rejection shallfollow.16.1.3 In case of dissatisfaction with results of the test upon which rejection is bas

44、ed, the manufacturer, or supplier, shall havethe option to make claim for rehearing.16.2 Rehearing:16.2.1 As a result of product rejection, the manufacturer, or supplier may shall have the option to make claim for a retest to beconducted by the manufacturer, or supplier, and the purchaser. 16.2.2Sam

45、plesSamples of the rejected product shall be taken inaccordance with the product specification and tested subject to test by both parties followingusing the test method(s) specified inthe product specification, or, alternatively, upon agreement of both parties, an independent laboratory may be selec

46、ted for the test(s)followingusing the test method(s) specified test methods. in the product specification.17. Certification17.1 When specified in the contract purchase order or purchase order,contract, the purchaser shall be furnished certification thatsamples representing each lot have been either

47、tested or inspected as directed in this specification and the requirements have beenmet.18. Packaging, and Package Marking18.1The product shall be separated by type and class, and prepared for shipment in such a manner as to ensure acceptance bycommon carrier for transportation and to afford protect

48、ion from the normal hazards of transportation.18.2Each shipping unit shall be legibly marked with the purchase order number, type, class, gross and net weight, and name ofsupplier. The specification number shall be shown, when specified.18.3In addition to the above, specific instructions appearing o

49、n the purchase order or contract, or issued by the contractingB131 124officer, shall be adhered to unless, by mutual agreement, other provisions are established.19.Test Report19.1When specified in the contract or purchase order, a report of test results shall be furnished.18.1 When specified in the contract or purchase order, a report of test results shall be furnished.19. Packaging, and Package Marking19.1 Packaging:19.1.1 The product shall be separated by type and class, and prepared for shipment by common carrier, in such a manner toafford protection f