ASTM B16 B16M-2005 Standard Specification for Free-Cutting Brass Rod Bar and Shapes for Use in Screw Machines《制螺钉机用易切削黄铜条材、棒材和型材的标准规范》.pdf
《ASTM B16 B16M-2005 Standard Specification for Free-Cutting Brass Rod Bar and Shapes for Use in Screw Machines《制螺钉机用易切削黄铜条材、棒材和型材的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM B16 B16M-2005 Standard Specification for Free-Cutting Brass Rod Bar and Shapes for Use in Screw Machines《制螺钉机用易切削黄铜条材、棒材和型材的标准规范》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: B 16/B 16M 05Standard Specification forFree-Cutting Brass Rod, Bar and Shapes for Use in ScrewMachines1This standard is issued under the fixed designation B 16/B 16M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the
2、 year of last revision. A number in parentheses indicates the year of last reapproval.A superscript 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 specification establi
3、shes the requirements for free-cutting brass rod, bar, wire, and shapes of any specified crosssection produced from CopperAlloy UNS No. C36000 suitablefor high-speed screw machining applications and moderatethread rolling.1.2 UnitsValues stated in either inch-pound units or SIunits are to be regarde
4、d separately as standard. Within the text,SI units are shown in brackets. The values stated in eachsystem may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with thestandard.1.3 This standar
5、d does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM
6、 Standards:2B 249/B 249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod, Bar, Shapes, andForgingsB 250/B 250M Specification for General Requirements forWrought Copper-Alloy WireB 601 Practice for Temper Designations for Copper andCopper AlloysWrought and CastE8 Test Me
7、thods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Mate-rials MetricE18 Test Methods for Rockwell Hardness and RockwellSuperficial Hardness of Metallic MaterialsE 478 Test Methods for Chemical Analysis of CopperAlloys3. General Requirements3.1 The followi
8、ng sections of Specifications B 249/B 249M(rod, bar, and shapes), and B 250/B 250M (wrought copperalloy wire) constitute a part of this specification.3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship, Finish, and Appearance,3.1.4 Sampling,3.1.5 Number of Tests and Retest,3.1.6 Spec
9、imen Preparation,3.1.7 Test Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Mill Test Report,3.1.13 Packaging and Package Marking, and3.1.14 Supplementary Requirements.3.2 In addition, when a section with a title identical to
10、 thosereferenced in 3.1 appears in this specification, it containsadditional requirements that supplement those appearing inSpecifications B 249/B 249M and B 250/B 250M.4. Ordering Information4.1 Include the following information when placing ordersfor product under this specification, as applicable
11、:4.1.1 ASTM specification designation and year of issue(B 16/B 16M XX).4.1.2 Copper Alloy UNS No. designation (C36000, seeSection 6 and Table 1).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Ro
12、d,Bar, Shapes, Wire, and Forgings.Current edition approved March 1, 2005. Published April 2005. Originallyapproved in 1917. Last previous edition approved in 2000 as B 16 00.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For
13、Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.TABLE 1 Chemical RequirementsCopper Alloy UNS No. C36000Element Composition, %Copper 60.0 - 63.0Lead 2.5 - 3.7Iron, max 0.35Zinc remainder1*A Summary of Changes section appears at the end
14、 of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.1.3 Temper (see Section 7 and Tables 2-5).4.1.4 Product cross section form (for example, round, hex-agonal, square, etc.).4.1.5 Dimensions (see Section 9).4.1.6 How f
15、urnished: straight lengths or coils (see 5.2).4.1.7 Edge contours (see Section 9).4.1.8 Quantity; total weight, footage, or number of piecesfor each size.4.1.9 When product is purchased for applications requiringthread rolling (see 1.1, Tables 2-5).4.1.10 When product is purchased for agencies of th
16、e U.S.Government (see Section 11).4.2 The following options are available and shall be speci-fied at the time of placing the order when required:4.2.1 Tensile test for product12 in. 12 mm and over (see8.2.1).4.2.2 Certification (refer to Specifications B 249/B 249M orB 250/B 250M).4.2.3 Mill Test Re
17、port (refer to Specifications B 249/B 249M or B 250/B 250M).5. Materials and Manufacture5.1 MaterialThe material of manufacture shall be a castbillet of Copper Alloy UNS No. C36000 of such purity andsoundness as to be suitable for hot extrusion into rod, bar, wire,and shaped products.5.1.1 In the ev
18、ent that heat identification or traceability isrequired, the purchaser shall specify the details desired.NOTE 1Due to the discontinuous nature of the processing of castingsinto wrought products, it is not always practical to identify a specificcasting analysis with a specific quantity of finished ma
19、terial.5.2 ManufactureProduct produced under this specifica-tion shall be in straight lengths; however, it shall be furnishedin coils when so specified in the contract or purchase order (see4.1.6).6. Chemical Composition6.1 The product shall conform to the chemical composi-tional requirements specif
20、ied in Table 1 for Copper Alloy UNSNo. C36000.6.2 The UNS designated composition limits do not precludethe possible presence of other unnamed elements; however,analysis shall be made regularly only for the minor elementslisted in Table 1, plus either copper or zinc, or plus all majorelements except
21、one. The major element that is not analyzedshall be determined by difference between the sum of thoseelements analyzed and 100 %. By agreement between produceror supplier and purchaser, analysis may be required and limitsestablished for the elements not cited. Percentage content ofelements shown as
22、“remainder” (rem.) is calculated by differ-ence.TABLE 2 Tensile Requirements, inch-poundNOTESee Table 3 for SI values.Temper DesignationStandard NameDiameter or Distance BetweenParallel Surfaces, in.Tensile Strength,min, ksiYield Strengthat 0.5 %Extensionunder Load,min, ksiElongation,Amin, %Rod and
23、WireO60 softanneal1 and under 48 20 15over 1 to 2, incl. 44 18 20over 2 40 15 25H02 half-hard12 and under 57 25 7Bover12 to 1, incl. 55C25 10over 1 to 2, incl. 50 20 15over 2 to 4, incl., and 45 15 20over 4 40 15 20H04 hard116 to316, incl. 80 45over316 to12, incl. 70 35 4over12 to34, incl. 65 30 6Ba
24、rStandard Name Thickness, in. Width, in.O60 soft anneal 1 and under 6 and under 44 18 20over 1 6 and under 40 15 25H02 half-hard12 and under 1 and under 50 25 1012 and under over 1 to 6, incl. 45 17 15over12 to 2, incl. 2 and under 45 17 15over12 to 2, incl. over 2 to 6, incl. 40 15 20over 2 over 2
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