1、Designation: B19 10B19 15Standard Specification forCartridge Brass Sheet, Strip, Plate, Bar, and Disks1This standard is issued under the fixed designation B19; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of last revisi
2、on.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope*1.1 This specification establishes the requirement
3、s for sheet, strip, plate, bar, and disks for the manufacture of ammunitioncomponent parts thereof from alloy UNS C26000.1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units thatunits, which are provided for
4、 information only and are not considered standard.1.2.1 ExceptionValues given in inch-pound units are the standard except for grain size which is stated in metric units.1.3 The following safety caveat pertains only to the test method described in Section 10 of this specification. (WarningMercury has
5、 been designated by many regulatory agencies as a hazardous material that can cause serious medical issues.Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken whenhandling mercury and mercury containing products. See the applicab
6、le product Safety Data Sheet (SDS) for additionalinformation. Users should be aware that selling mercury and/or mercury containing products into your state or country may beprohibited by law.)1.4 The following safety caveat pertains only to the test method described in Section 10 of this specificati
7、on.This standard doesnot purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standardto establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.2. Referenced Docu
8、ments2.1 ASTM Standards:2B154 Test Method for Mercurous Nitrate Test for Copper AlloysB248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled BarB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Termin
9、ology for Copper and Copper AlloysB858 Test Method for Ammonia Vapor Test for Determining Susceptibility to Stress Corrosion Cracking in Copper AlloysB900 Practice for Packaging of Copper and Copper Alloy Mill Products for U.S. Government AgenciesE3 Guide for Preparation of Metallographic SpecimensE
10、8E8/E8M Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using 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 C
11、ompositionE478 Test Methods for Chemical Analysis of Copper AlloysE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)2.2 Federal Standards:3Fed. Std. No. 123 Marking for Shipment (Civil Agencies)Fed. Std. No. 185 Identification Marking of Copper and Copper-Base Alloy
12、Mill Products1 This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved Oct. 1, 2010May 1, 2015. Published November 2010June 2015. Originally approved in 1
13、919. Last previous edition approved in 20052010 asB19 05.B19 10. DOI: 10.1520/B0019-10.10.1520/B0019-15.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards
14、 Document Summary page on the ASTM website.3 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, DLA Document Services, Building 4/D, 700 Robbins Ave., Philadelphia, PA19111-5098, http:/dodssp.daps.dla.mil.19111-5094, http:/quicksearch.dla.mil.This document is not an AST
15、M standard and is intended only to provide the user of an ASTM standard an indication of what changes 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 al
16、l cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States12.3 Milita
17、ry Standards:3MIL-STD-105 Sampling Procedures and Tables for Inspection by AttributesMIL-STD-129 Marking for Shipment and Storage3. Terminology3.1 DefinitionsFor standard definitions of terms related to copper and copper alloys, refer to Terminology B846.4. Ordering Information4.1 Orders for product
18、s should include the following information:Include the following specified choices when placing ordersfor product under this specification, as applicable:4.1.1 ASTM designation and year of issue (for example, B19-XX),4.1.2 Product form: sheet, strip, plate, bar, or disks (blanks),4.1.3 Temper (Secti
19、on 7),4.1.4 Dimension: thickness, width, length,4.1.5 How furnished: flat lengths, coils, or blanks,4.1.6 Quantity: total weight each temper, form, and size, and4.1.7 When severe drawing or deep cupping is required.4.2 The following options are available and should be specified in the contract or pu
20、rchase but may not be included unlessspecified at the time of placing the order when required:4.2.1 Type of edge (for example, slit, sheared, sawed, and so forth),4.2.2 Heat identification or traceability details,4.2.3 Caliber or diameter of Type IV cups or disks (Section 11),4.2.4 Mercurous Nitrate
21、Residual Stress Test (Section 10),4.2.4.1 The pH value for the Ammonia Vapor Test if other than 10,4.2.5 Product Marking (Section 22),4.2.6 On-site inspection (Section 18.1),4.2.7 Certification (Section 20), and4.2.8 Mill Test Report (Mill) (Section 21).5. Materials and Manufacture5.1 Materials:5.1.
22、1 The material of manufacture shall be a cast bar of copper alloy UNS C26000 of such purity, uniformity, and soundnessas to be suitable for processing into the products prescribed herein.5.2 Manufacture:5.2.1 The product shall be manufactured by such hot working, cold working, and annealing processe
23、s as to produce a uniformwrought structure in the specified temper for the finished product.5.2.2 The products shall be furnished with slit edges unless otherwise specified.5.1 In the event heat identification or traceability is required, the purchaser shall specify the details desired in the contra
24、ct orpurchase order.Materials:NOTE 1Because of the discontinued nature of the processing of castings into wrought products, it is not always practical to identify a specific castinganalysis with a specific quantity of finished material.5.1.1 The material of manufacture shall be a cast bar of copper
25、alloy UNS C26000 of such purity and soundness as to be suitablefor processing into the products prescribed herein.5.1.2 When specified in the contract or purchase order, that heat identification or traceability is required, the purchaser shallspecify the details desired.NOTE 1Due to the discontinuou
26、s nature of the processing of castings into wrought products, it is not always practical to identify a specific castinganalysis with a specific quantity of finished material.5.2 Manufacture:5.2.1 The product shall be manufactured by such hot working, cold working, and annealing processes as to produ
27、ce a uniformwrought structure in the finished product.5.2.2 The product shall be hot or cold worked to the finished size, and subsequently annealed when required, to meet the temperproperties specified.5.3 Edges:5.3.1 Slit edges shall be furnished unless otherwise specified in the contract or purcha
28、se order.B19 1526. Chemical Composition6.1 The product material shall conform to the chemical composition requirements prescribed in Table 1.6.1.1 These specificationcomposition limits do not preclude the presence of other elements. Limits for unnamed elements Byagreement between the manufacturer an
29、d purchaser, limits may be established and analysis required by agreement betweenmanufacturer and purchaser.for unnamed elements.6.2 Either For alloys in which zinc is listed as “remainder,” either copper or zinc may be taken as the difference between thesum of results of all other elements analyzed
30、determined and 100 %. Copper, when determined by difference, must conform to therequirements of Table 1. When all elements in Table 1 are analyzed, their sum determined, the sum of the results shall be 99.7 %min.7. Temper7.1 Product tempers, as defined in PracticeClassification B601, shall be as fol
31、lows:7.1.1 Hot Rolled Temper: M20,7.1.2 Cold Rolled Product:Tempers: H01, H02, H03, H04, H06, H08, and H10.7.1.3 Annealed Product:Tempers: OS015, OS025, OS035, OS050, OS070, and OS100.7.1.4 The purchaser should confer with the manufacturer or supplier for availability of product in a specific temper
32、, form, andsize.8. Grain Size Requirements8.1 Annealed sheet, strip, and bar furnished under this specification shall conform to the requirements specified in Table 2.8.2 Acceptance or rejection based upon grain size shall depend only on the average grain size of a test specimen taken fromeach of tw
33、o sample portions, and each specimen shall be within the limits prescribed in Table 2 when determined in accordancewith Test Methods E112.8.3 Except for material ordered by the U.S. Government, annealed material to be used for the manufacture of cartridge brasscups and disks shall conform to the req
34、uirements of Table 3.8.4 Annealed plate, bar, and disks ordered by the U.S. Government shall meet the following requirements:8.4.1 Material up to 0.500 in. (12.70 mm) in thickness inclusive, except material for 20 mm disks, shall be furnished to a grainsize of 0.055 to 0.120 mm inclusive.8.4.2 Mater
35、ial over 0.500 in. (12.70 mm) in thickness, except material for 20-mm disks, shall be furnished to a grain size of0.070 to 0.150 mm inclusive.8.4.3 Disks (blanks) of 20 mm and material for blanking 20-mm disks (blanks) shall be furnished to a grain size of 0.070 to0.130 mm inclusive.8.5 Material ord
36、ered as-hot rolled shall be furnished to a grain size as agreed upon between the manufacturer or supplier andthe producer.8.6 Material to be used for the manufacture of primer cup and primer anvils shall conform to the grain size requirements ofTable 4.9. Mechanical Property Requirements9.1 Material
37、s furnished under this specification shall conform to the tension test requirements specified in this specification-.Tensile Strength Requirements:9.1.1 Rolled-to-temper material Product (Cold Rolled Tempers) furnished under this specification shall conform to the tensilerequirements specifiedprescr
38、ibed in Table 5, when tested in accordance with Test Methods E8/E8M.9.1.2 Annealed material Product (Annealed Tempers) furnished under this specification shall conform to the tensilerequirements specifiedprescribed in Table 6, when tested in accordance with Test Methods E8/E8M.9.1.3 Material furnish
39、ed as-hot rolled Product (Hot Rolled Temper) furnished under this specification shall conform to thetensile requirements specifiedprescribed in Table 6, when tested in accordance with Test Methods E8/E8M.10. Mercurous Nitrate Test Performance Requirements10.1 When specified in the contract or purcha
40、se order, the product shall meet the requirements of Test Method B154.ResidualStress Test:TABLE 1 Chemical RequirementsCopper Composition, % Zinc BismuthLead, max Iron, max68.5 to 71.5 0.07 0.05 remainder 0.0059 maxB19 15310.1.1 Mercury is a recognized health hazard. Proper equipment for the detecti
41、on When specified in the contract or purchaseorder, the product shall be tested for residual stress according to the requirements of Test Method B154 or Test Method B858andremoval of vapors is , and show no signs of cracking. (WarningMercury is a definite health hazard. With the Mercurous NitrateTes
42、t, equipment for the detection and removal of mercury vapor produced in volatilization, and the use of protective gloves isrecommended.recommended. The use of suitable gloves while testing is advised.)NOTE 2Ammonia vapor test, Test Method B858, is a possible alternative to Test Method B154.11. Dimen
43、sions, Mass, and Permissible Variations11.1 The dimensions and tolerances covered for products described by this specification, except as covered herein, shall be asspecified in the current edition of Specification B248, with particular reference to Section 6 and the dimensional tables of thatspecif
44、ication.11.2 The diameter of the disks measured at the large end shall not vary from that specified in the order by more than the amountsshown in Table 7.11.3 Disks shall not vary in thickness by more than the amounts shown in Table 8, except that disks for 20-mm cartridge casesshall be not less tha
45、n the thickness specified and shall not exceed the specified thickness by more than 0.008 in. (0.20 mm) in thearea 1 in. (25 mm) in diameter in the center of the disk.11.4 Material to be used for the manufacture of primer cup and primer anvil shall conform to the dimensional tolerancesrequirements s
46、hown in Table 4.11.5 Special dimensional tolerances shall be as agreed upon between the manufacturer or supplier and the purchaser.11.6 Straightness shall be determined by placing the piece on a level surface so that the arc or departure from straightness ishorizontal. The maximum depth of arc shall
47、 be measured to the nearest 132 in. (0.8 mm) by means of a straightedge and a steelscale.12. Workmanship, Finish, and Appearance12.1 Cartridge brass shall be free of defects, and it shall be well cleaned and free of dirt.12.2 In addition to the above requirement, cartridge brass disks shall be free
48、of oxidation, pinholes, surface splits, dirtinclusions, segregations, or any other defects. They shall be free of oil and grease, acid, dirt, grit of any kind, and shall be cleanand bright.13. Sampling13.1 The lot size, portion size, and selection of pieces for materials purchased shall be as follow
49、s:13.1.1 Lot Size20 000 lb (9070 kg) or fraction thereof.13.1.2 Portion SizePieces from at least ten individual lengths of the finished product. If the lot consists of less than the numberof lengths indicated in the portion size, a piece shall be taken from each individual length.TABLE 2 Grain Size Requirements for Annealed MaterialTemper Nominal Grain Size, mmMin MaxOS015 0.015 A 0.025OS025 0.025 0.015 0.035OS035 0.035 0.025 0.050OS050 0.050 0.035 0.070OS070 0.070 0.050 0.100OS100 0.100 0.060 0.150A No minimum grain size required, but the material shall be fully
