1、Designation: B927/B927M 13B927/B927M 17Standard Specification forBrass Rod, Bar, and Shapes1This standard is issued under the fixed designation B927/B927M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision.
2、A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification establishes requirements for brass rod (round, hexagonal, and octagonal), bar (rectangular and square),and shapes
3、 of UNSAlloys C21000, C22000, C23000, C24000, C26000, C26800, C27000, C27400, C27450, C27451, C27453, andC27451.C28500.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. The values statedin each system may not be exact equivalents; therefore,
4、 each system shall be used independently of the other. Combining valuesfrom the two systems may result in non-conformance with the standard.1.3 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principl
5、es for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B16/B16M Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw MachinesB36/B3
6、6M Specification for Brass Plate, Sheet, Strip, And Rolled BarB121/B121M Specification for Leaded Brass Plate, Sheet, Strip, and Rolled BarB124/B124M Specification for Copper and Copper Alloy Forging Rod, Bar, and ShapesB134/B134M Specification for Brass WireB135 Specification for Seamless Brass Tub
7、eB249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and ForgingsB587 Specification for Welded Brass TubeE8/E8M Test Methods for Tension Testing of Metallic MaterialsE62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Met
8、hods) (Withdrawn 2010)3E478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sections of Specification B249/B249M 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 Sampl
9、ing,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,1 This specification is under the jurisdiction ofASTM Committee B05 on Copper and CopperAlloys and is the direct responsibility o
10、f Subcommittee B05.02 on Rod, Bar,Wire, Shapes and Forgings.Current edition approved Oct. 1, 2013April 1, 2017. Published November 2013April 2017. Originally approved in 2003. Last previous edition approved in 20092013 asB927/B927M 09.B927/B927M 13. DOI: 10.1520/B0927_B0927M-13. 10.1520/B0927_B0927M
11、-17.2 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 standardsstandards Document Summary page on the ASTM website.3 The last approved version of this historical s
12、tandard is referenced on www.astm.org.This document is not an ASTM 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 r
13、ecommends 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 official document.*A Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box
14、 C700, West Conshohocken, PA 19428-2959. United States13.1.11 Certification,3.1.12 Mill Test Reports,3.1.13 Product Marking,3.1.14 Packaging and Package Marking, and3.1.15 Supplementary Requirements.3.2 In addition, when a section with a title identical to that referenced in 3.1, above, appears in t
15、his specification, it containsadditional requirements that supplement those that appear in Specification B249/B249M.4. Ordering Information4.1 Include the following information when placing orders for product under this specification, as applicable:4.1.1 ASTM Designation and year of issue,4.1.2 Copp
16、er Alloy UNS No. designation,4.1.3 Temper,4.1.4 Cross section (round, hexagonal, octagonal, rectangular, or square),4.1.5 Quantity (total weight, footage, or number of pieces of each temper, cross section, and alloy),4.1.6 Dimensions (diameter or distance between parallel surfaces, width and thickne
17、ss, length),4.1.7 Type of edge (square corners, rounded edge, full-rounded edge),4.1.8 How furnished (specific lengths with or without ends), and4.1.9 If product is purchased for agencies of the U.S. Government (Specification B249/B249M).4.2 The following requirements are available to this specifica
18、tion and should be specified in the contract or purchase order whenrequired:4.2.1 Certification (Specification B249/B249M), and4.2.2 Mill Test Report (Specification B249/B249M).5. Materials and Manufacture5.1 Materials:5.1.1 The material of manufacture shall be cast billets, logs, or rods of Copper
19、Alloy UNS Nos. C21000, C22000, C23000,C24000, C26000, C26800, C27000, C27400, C27450 or C27451 C27450, C27451, C27453, and C28500 of such purity,soundness, and structure as to be suitable for processing into the products prescribed herein.5.2 Manufacture:5.2.1 The products shall be manufactured by s
20、uch hot working, cold working, and annealing processing as to produce a uniformwrought structure in the finished product.6. Chemical Composition6.1 The material shall conform to the chemical composition requirements in Table 1 for the copper alloy UNS No. designationspecified in the ordering informa
21、tion.6.2 These composition limits do not preclude the presence of other elements. By agreement between the manufacturer and thepurchaser, limits may be established and analysis required for unnamed elements.6.3 For alloys in which zinc is listed as “remainder,” either copper or zinc may be taken as
22、the difference between the sum ofresults of all other elements determined and 100 %.TABLE 1 Chemical RequirementsCopper AlloyUNS No.Composition, %Copper Lead, max Iron,max Tin, max Phosphorous Arsenic ZincC21000 94.0-96.0 0.05 0.05 . . . remainderC22000 89.0-91.0 0.05 0.05 . . . remainderC23000 84.0
23、-86.0 0.05 0.05 . . . remainderC24000 78.5-81.5 0.05 0.05 . . . remainderC26000 68.5-71.5 0.07 0.05 . . . remainderC26800 64.0-68.5 0.09 0.05 . . . remainderC27000 63.0-68.5 0.09 0.07 . . . remainderC27400 61.0-64.0 0.09 0.05 . . . remainderC27450 60.0-65.0 0.25 0.35 . . . remainderC27451 61.0-65.0
24、0.25 0.35 . 0.05-0.20 . remainderC27453 61.563.5 0.25 0.15 0.15 . 0.020.15 remainderC28500 57.059.0 0.25 0.35 . . . remainderB927/B927M 1726.4 When all elements specified for a given alloy in Table 1 are determined, the sum of the results shall be as shown in thefollowing table:Alloy UNS Nos. Sum of
25、 Results,Percent, MinimumC21000, C22000, C23000, C24000 99.8C26000, C26800, C27000, C27400 99.7C27450, C27451 99.5C27450, C27451, C27453 99.5C28500 99.17. Temper7.1 The standard tempers for rod and bar described in this specification are given in Tables 2 and 3.7.1.1 O60 (Soft Anneal),7.1.2 H01 (14
26、Hard),7.1.3 H02 (12 Hard), and7.1.4 H04 (Hard).7.2 Other tempers, and temper for shapes, shall be subject to agreement between the manufacturer and the purchaser.8. Mechanical Property Requirements8.1 Tensile Strength Requirements:8.1.1 Product furnished under this specification shall conform to the
27、 tensile requirements prescribed in Tables 2 and 3, whentested in accordance with Test Methods E8/E8M.9. Purchases for U.S. Government9.1 When specified in the contract or purchase order, product purchased for agencies of the U.S. government shall conform tothe special government requirements stipul
28、ated in the Supplementary Requirements section of Specification B249/B249M.10. Dimensions and Permissible Variations10.1 The dimensions and tolerances for rod, bar, and shapes described by this specification shall be as specified in SpecificationB249/B249M with particular reference to the following
29、tables and related paragraphs.10.1.1 Diameter or Distance Between Parallel Surfaces:10.1.1.1 RodTable 1.10.1.1.2 BarTables 8 and 10.10.1.2 ShapesDimensional tolerances shall be subject to agreement between the manufacturer and the purchaser.10.1.3 LengthTables 13 and 14.10.1.4 StraightnessTable 16Ge
30、neral Use section.10.1.5 Edge contoursParagraph 6.5.B927/B927M 173TABLE 2 Tensile Requirements (Inch-Pound Units)TemperDiameter orDistance BetweenParallel Surfaces, in.Tensile Strength,minYield Strength at0.5 % ExtensionUnder Load, minElongationA in4 diameter or4 thickness, minCode Name ksi ksi %Cop
31、per Alloy UNS No. C21000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 30 10 25H01 14 Hard Under 1212 to 1, inclover 1363432161412151719H02 12 Hard Under 1212 to 1, inclover 14240372523208911H04 Hard Under 1212 to 1, inclover 1 to 2 incl524845403735579Copper Alloy UNS No. C21000 BarBO60
32、 Soft Anneal All sizes 30 10 25H01 14 Hard Under 1212 to 2, incl343214121719Copper Alloy UNS No. C22000 Rod (round, hexagonal, octagonal)060 Soft Anneal All sizes 32 10 25H01 14 Hard Under 1212 to 1, inclover 1393734201715151719H02 12 Hard Under 1212 to 1, inclover 150454030272571012H04 Hard Under 1
33、212 to 1, inclover 1 to 2 incl575550403735579Copper Alloy UNS No. C22000 BarBO60 Soft Anneal All sizes 32 10 25H01 14 Hard Under 1212 to 2, incl353416151719Copper Alloy UNS No. C23000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 35 10 25H01 14 Hard Under 1212 to 1, inclover 14442402017
34、15151719H02 12 Hard Under 1212 to 1, inclover 150454030272571012H04 Hard Under 1212 to 1, inclover 1 to 2 incl636058403735579Copper Alloy UNS No. C23000 BarBO60 Soft Anneal All sizes 35 10 25H01 14 Hard Under 1212 to 1, inclover 1 to 2 incl403836151311192225H02 12 Hard Under 1212 to 1, inclover 1 to
35、 2 incl444240201715151719Copper Alloy UNS No. C24000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 40 10 30H01 14 Hard Under 1212 to 1, inclover 1474543252018182022H02 12 Hard Under 1212 to 1, inclover 1534843333028101315H04 Hard Under 1212 to 1, inclover 1 to 2 incl68656045403581012Cop
36、per Alloy UNS No. C24000 BarBO60 Soft Anneal All sizes 40 10 30H01 14 Hard Under 1212 to 1, inclover 1 to 2 incl454341201816202225Copper Alloy UNS No. C26000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 40 12 30H01 14 Hard Under 1212 to 1, inclover 1504846302520202428B927/B927M 17411.
37、Test Methods11.1 Chemical Analysis:11.1.1 In cases of disagreement, determine the composition using the following methods:Element Test MethodCopper E478Lead E478 (AA)Iron E478Tin E478Arsenic E62Zinc E478 (Titrimetric)11.1.2 Test methods to be followed for the determination of elements resulting from
38、 contractual or purchase order agreementshall be as agreed upon between the manufacturer or supplier and the purchaser.12. Keywords12.1 brass bar; brass rod; brass shape; copper-alloy rod; C21000; C22000; C23000; C24000; C26000; C26800; C27000;C27400; C27450; C27451C27451; C27453; C28500TABLE 2 Cont
39、inuedTemperDiameter orDistance BetweenParallel Surfaces, in.Tensile Strength,minYield Strength at0.5 % ExtensionUnder Load, minElongationA in4 diameter or4 thickness, minCode Name ksi ksi %H02 12 Hard Under 1212 to 1, inclover 1575450353230152025H04 Hard Under 1212 to 1, inclover 1 to 2 incl70656050
40、4540101520Copper Alloy UNS No. C26000 BarBO60 Soft Anneal All sizes 40 12 30H02 12 Hard Under 1212 to 1, inclover 1 to 2 incl504540251715102020Copper Alloy UNS No. C26800, C27000, C27400, C27450, C27451 Rod (round, hexagonal, octagonal)Copper Alloy UNS No. C26800, C27000, C27400, C27450, C27451, C27
41、453 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 40 12 30H01 14 Hard Under 1212 to 1, inclover 1474543252018182022H02 12 Hard Under 1212 to 1, inclover 1534843333028101315H04 Hard Under 1212 to 1, inclover 1 to 2 incl68656045403581012Copper Alloy UNS No. C26800, C27000, C27400, C27450,
42、 C27451 BarBCopper Alloy UNS No. C26800, C27000, C27400, C27450, C27451, C27453 BarBO60 Soft Anneal All sizes 40 12 30H02 12 Hard Under 1212 to 1, inclover 1 to 2 incl504540251715102020Copper Alloy UNS No. C28500 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 43 14 20H01 14 Hard Under 12
43、12 to 1, inclover 1585552242117131520H02 12 Hard Under 1212 to 1, inclover 169655943362681218H04 Hard Under 1212 to 1, inclover 1 to 2, incl79757158494051015Copper Alloy UNS No. C28500 BarBO60 Soft Anneal All sizes 43 14 20H02 12 Hard Under 1212 to 1, inclover 1 to 2, incl69655943362681218A In any c
44、ase, a minimum gage length of 1 in. shall be used.B For rectangular bar, the Distance Between Parallel Surfaces refers to thickness.B927/B927M 175TABLE 3 Tensile Requirements (SI Units)TemperDiameter orDistance BetweenParallel Surfaces, mmTensile Strength,minYield Strength at0.5 % ExtensionUnder Loa
45、d, minElongationA in4 diameter or4 thickness, minCode Name MPa MPa %Copper Alloy UNS No. C21000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 205 70 25H01 14 Hard Under 1212 to 25, inclover 252502352201109585151719H02 12 Hard Under 1212 to 25, inclover 252902752551701601408911H04 Hard U
46、nder 1212 to 25, inclover 25 to 50 incl360330310275255240579Copper Alloy UNS No. C21000 BarBO60 Soft Anneal All sizes 205 70 25H01 14 Hard Under 1212 to 50, incl23522095851719Copper Alloy UNS No. C22000 Rod (round, hexagonal, octagonal)060 Soft Anneal All sizes 220 70 25H01 14 Hard Under 1212 to 25,
47、 inclover 25270255235140115105151719H02 12 Hard Under 1212 to 25, inclover 2534531027520518517071012H04 Hard Under 1212 to 25, inclover 25 to 50 incl395380345275255240579Copper Alloy UNS No. C22000 BarBO60 Soft Anneal All sizes 220 70 25H01 14 Hard Under 1212 to 50, incl2402351101051719Copper Alloy
48、UNS No. C23000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 240 70 25H01 14 Hard Under 1212 to 25, inclover 25305290275140115103151719H02 12 Hard Under 1212 to 25, inclover 2534531027520518517071012H04 Hard Under 1212 to 25, inclover 25 to 50 incl435415400275255240579Copper Alloy UNS N
49、o. C23000 BarBO60 Soft Anneal All sizes 240 70 25H01 14 Hard Under 1212 to 25, inclover 25 to 50 incl2752602501059075192225H02 12 Hard Under 1212 to 25, inclover 25 to 50 incl305290275140115105151719Copper Alloy UNS No. C24000 Rod (round, hexagonal, octagonal)O60 Soft Anneal All sizes 275 70 30H01 14 Hard Under 1212 to 25, inclover 25325310295170140125182022H02 12 Hard Under 1212 to 25, inclover 25365330295230205195101315H04 Hard Under 1212 to 25, inclover 25 to
