1、Designation: B134/B134M 15Standard Specification forBrass Wire1This standard is issued under the fixed designation B134/B134M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indic
2、ates 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 round,hexagonal, octagonal, rectangular and square brass wire ofUNS Alloy Nos. C21000, C22000, C22600, C23000, C2
3、3400,C24000, C26000, C27000, and C27400.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. Thevalues stated in each system may not be exact equivalents;therefore, each system shall be used independently of the other.Combining values from the
4、two systems may result in non-conformance with the standard.2. Referenced Documents2.1 ASTM Standards:2B250/B250M Specification for General Requirements forWrought Copper Alloy WireB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and
5、Copper AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE112 Test Methods for Determining Average Grain SizeE478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sections of Specification B250/B250Mconstitute a part of this specification.
6、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 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,3.1.11 Certification,3.1.12
7、 Mill Test Reports,3.1.13 Product Marking,3.1.14 Packaging and Package Marking,3.1.15 Supplementary Requirements.3.2 In addition, when a section with a title identical to thatreferenced in 3.1 appears in this specification, it containsadditional requirements that supplement those that appear inSpeci
8、fication B250/B250M.4. Terminology4.1 Definitions of Terms Specific to This Standard:4.1.1 camber offset, nthe axial component of curvature ofwire in an unrestrained state.4.1.1.1 DiscussionThe camber is measured as the offset inthe ends of one turn of freely hanging wire.4.1.2 cast, nthe maximum di
9、ameter of coiled wire whenone complete circumference rests completely on a flat surfaceas a table, workbench, or floor.4.2 For other definitions of terms related to copper andcopper alloys, refer to Terminology B846.5. Ordering Information5.1 Include the following information in orders for product:5
10、.1.1 ASTM Designation and year of issue,5.1.2 Copper Alloy UNS No. designation,5.1.3 Temper,5.1.4 Cross section: round, hexagonal, octagonal,rectangular, or square,5.1.5 Quantity: total weight, footage, or number of pieces ofeach temper, cross section, or alloy,5.1.6 Dimensions: diameter or distance
11、 between parallelsurfaces, width and thickness, length,5.1.7 Type of edge: square corners, rounded edge, full-rounded edge,5.1.8 How furnished: coil, spool, or reel, specific lengthswith or without ends, and5.1.9 When material is purchased for agencies of the U.S.government (Specification B250/B250M
12、).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod,Bar, Wire, Shapes and Forgings.Current edition approved May 1, 2015. Published June 2015. Originallyapproved in 1940. Last previous edition a
13、pproved in 2008 as B134/B134M 08.DOI: 10.1520/B0134_B0134M-15.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website
14、.*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 States15.2 The following options are available to this specificationand should be specified in the contract or purchase order w
15、henrequired:5.2.1 Certification (Specification B250/B250M, and5.2.2 Mill test report (Specification B250/B250M.5.2.3 Cast and camber requirements, if specified.6. Materials and Manufacture6.1 MaterialThe material shall be made from cast billets,logs, or rods of Copper Alloy UNS Nos. C21000, C22000,C
16、22600, C23000, C23400, C24000, C26000, C27000, orC27400, of such purity, soundness, and structure to be suitablefor processing into the desired product.6.2 ManufactureThe products shall be manufactured bysuch hot working, cold working, and annealing processing as toproduce a uniform wrought structur
17、e in the finished product.7. Chemical Composition7.1 The material shall conform to the chemical composi-tional requirements specified in Table 1 for the copper alloyspecified in the ordering information.7.1.1 When all elements specified for a given alloy in Table1 are determined, their sum of result
18、s shall be as follows:Alloy UNS Nos.Sum of Results,Percent, MinimumC21000, C22000, C22600, C23000,C23400, C2400099.8C26000, C27000, C27400 99.77.2 These composition limits do not preclude the presenceof other elements. Limits may be established and analysisrequired for unnamed elements by agreement
19、between themanufacturer or supplier and the purchaser.7.3 Zinc, listed as the “remainder,” is the difference betweenthe sum of results for all elements determined and 100 %.8. Temper8.1 The product in drawn or rolled wire of UNS Alloy Nos.C21000, C22000, C22600, C23000, C23400, C24000,C26000, C27000
20、, and C27400 shall be available in H00, H01,H02, H03, H04, H06, H08, and H10 tempers as defined inClassification B601.8.1.1 Product made in H04 temper is not generally availablein sizes over12 in. 13 mm in diameter.8.1.2 Product made in H06 temper is not generally availablein sizes over38 in. 10 mm
21、in diameter.8.1.3 Product made in H08 temper is not generally availablein sizes over14 in. 6 mm in diameter.8.1.4 Square product is not generally available in H06 orH08 tempers.8.1.5 The tension test shall be the standard temper test forall H temper wire.8.1.6 The product in annealed form of UNS All
22、oys Nos.C21000 and C22000 shall be available in OS050, OS035,OS025, and OS015 tempers as defined in Classification B601.8.1.7 The product in annealed form of UNS Alloy Nos.C22600, C23000, C23400, and C24000 shall be available inOS070, OS050, OS035, OS025, OS015, and OS010 tempers asdefined in Classi
23、fication B601.8.1.8 The product in annealed form of UNS Alloy Nos.C26000, C27000, and C27400 shall be available in OS120,OS070, OS050, OS035, OS025, and OS015 tempers as definedin Classification B601.9. Grain Size for Annealed Wire9.1 Grain size shall be the standard requirement for allproduct in th
24、e annealed tempers.9.2 Acceptance or rejection based on grain size shall dependonly on the average grain size of test specimens taken fromeach of two sample portions and each specimen shall be withinthe limits prescribed in Table 2 when determined in accordancewith Test Methods E112.10. Mechanical P
25、roperty Requirements10.1 Tensile Strength Requirements:10.1.1 Drawn or rolled product shall conform to the require-ments specified in Tables 3-6, by alloy and temper, for wire0.020 in. 0.5 mm and over in diameter or distance betweenparallel surfaces.10.1.1.1 The temper of wire under 0.020 in. 0.5 mm
26、 indiameter or distance between parallel surfaces shall be subjectto agreement between the manufacturer, or supplier, and thepurchaser.10.1.2 Rectangular product, furnished in the “H” tempersshall conform to the requirements in Tables 5 and 6 for thetemper and CopperAlloy UNS No. designation specifi
27、ed in theordering information when tested in accordance with TestMethods E8/E8M.10.1.3 Acceptance or rejection based upon mechanicalproperty shall depend on the tensile strength values obtainedwhen tested in accordance with Test Methods E8/E8M.TABLE 1 Chemical RequirementsCopper AlloyUNS No.Composit
28、ion, %Copper Lead, max Iron, max ZincC21000 94.096.0 0.05 0.05 remainderC22000 89.091.0 0.05 0.05 remainderC22600 86.089.0 0.05 0.05 remainderC23000 84.086.0 0.05 0.05 remainderC23400 81.084.0 0.05 0.05 remainderC24000 78.581.5 0.05 0.05 remainderC26000 68.571.5 0.07 0.05 remainderC27000 63.068.5 0.
29、09 0.07 remainderC27400 61.064.0 0.09 0.05 remainderB134/B134M 15210.2 Rockwell Hardness:10.2.1 The approximate Rockwell hardness values for rect-angular other than square wire given in Table 2, Table 5, andTable 6 are for general information and assistance in testingand shall not be used as a basis
30、 for product rejection.TABLE 2 Grain Size Requirements and Approximate Rockwell Hardness Values for Annealed WireTemperDesignationGrain Size, mmApproximate Rockwell Hardness for Rectangular WireAF Scale 30-T ScaleCode Nominal Min Max Min Max Min MaxCopper Alloy UNS No. C21000OS050 0.050 0.035 0.090
31、40B52B. 4OS035 0.035C0.025 0.050 47B54B. 7OS025 0.025 0.015 0.035 50B61B11OS015 0.015CD0.025 54B65B723Copper Alloy UNS No. C22000OS050 0.050 0.035 0.090 50 60 1 16OS035 0.035C0.025 0.050 54 64 7 21OS025 0.025 0.015 0.035 58 70 13 31OS015 0.015CD0.025 62 75 19 39Copper Alloy UNS Nos. C22600, C23000,
32、and C23400OS070 0.070 0.050 0.100 53 60 6 16OS050 0.050C0.035 0.070 56 63 10 20OS035 0.035C0.025 0.050 58 66 13 24OS025 0.025C0.015 0.035 60 72 16 34OS015 0.015CD0.025 62 79 19 48OS010 0.010 0.015 66 83 25 50Copper Alloy UNS No. C24000OS070 0.070 0.050 0.120 53 64 2 21OS050 0.050C0.035 0.070 57 67 8
33、 27OS035 0.035C0.025 0.050 61 72 16 35OS025 0.025C0.015 0.035 63 77 20 42OS015 0.015CD0.025 66 83 25 50Copper Alloy UNS Nos. C26000, C27000, and C27400OS120 0.120 0.070 . 50 62 . 21OS070 0.070 0.050 0.120 52 67 3 27OS050 0.050 0.035 0.070 61 73 20 35OS035 0.035 0.025 0.050 65 76 25 38OS025 0.025 0.0
34、15 0.035 67 79 27 42OS015 0.015D0.025 72 85 33 50ARockwell hardness values apply as follows: The F scale applies to metal 0.020 in. 0.5 mm in thickness and over; the 30-T scale applies to metal 0.015 in. 0.4 mmin thickness and over.BCopper Alloy UNS No. C21000 in these several OS (annealed) tempers
35、is too soft for Rockwell F hardness tests below 0.030 in. 0.75 mm in thickness.CThe nominal grain sizes are those in which wire other than rectangular are normally available. Rectangular wire is normally available in any of the nominal grain sizeslisted.DAlthough no minimum grain size is required, t
36、he material must be fully recrystallized.TABLE 3 Tensile Strength Requirements for Round, Hexagonal, Octagonal, and Square Wire0.020 in. and Over in Diameter or Distance Between Parallel SurfacesTemper Designation Tensile Strength, ksiACode NameCopper AlloyUNS No.C21000Copper AlloyUNS No.C22000Coppe
37、r AlloyUNS Nos. C22600and C23000Copper AlloyUNS Nos. C23400and C24000Copper AlloyUNS Nos. C26000,C27000,and C27400Min Max Min Max Min Max Min Max Min MaxH00 eighth-hard 35 45 38 50 43 57 50 65 50 65H01 quarter-hard 41 51 45 57 53 65 62 75 62 77H02 half-hard 49 58 56 67 66 77 78 90 79 94H03 three-qua
38、rter hard 57 64 64 74 76 86 90 101 92 107H04Bhard 61 68 70 79 83 92 100 110 102 117H06C, Dextra-hard 66 73 78 86 94 102 112 121 115 129H08E, Dspring 72 . 84 . 100 . 116 . 120 .Aksi = 1000 psi.BH04 (hard) temper wire is not generally available in sizes over12 in. in diameter.CH06 (extra-hard) temper
39、is not generally available in sizes over38 in. in diameter.DSquare wire is not generally available in extra hard or spring tempers.EH08 (spring) temper is not generally available in sizes over14 in. in diameter.B134/B134M 153NOTE 1The Rockwell hardness test offers a quick and convenientmethod of che
40、cking for general compliance with properties for tempercondition.11. Dimensions, Mass, and Permissible Variations11.1 The dimensions and tolerances for product describedby this specification shall be as specified in SpecificationB250/B250M with particular reference to the following tablesand related
41、 paragraphs in those specifications:11.1.1 Diameter or Distance Between Parallel SurfacesTable 1 in Specification B250/B250M.11.1.2 ThicknessTable 3 in Specification B250/B250M.11.1.3 WidthTable 5 in Specification B250/B250M.11.1.4 LengthTables 7 and 8 in Specification B250/B250M.11.1.5 Straightness
42、Table 9 in Specification B250/B250M.11.1.5.1 This requirement is applicable to rectangular andsquare product only when ordered in lengths.11.1.6 Edge ContourRefer to the section on edge contour.12. Test Methods12.1 Chemical Analysis:12.1.1 In cases of disagreement, test methods for chemicalanalysis
43、shall be subject to agreement between the manufac-turer or supplier and the purchaser. The following table is a listof published test methods, some of which may no longer beviable, with along with others not listed, may be used subjectto agreement.Element Test MethodCopper E478Lead E478 (AA)Iron E47
44、8Zinc E478 (Titrametric)12.1.2 Test methods to be followed for the determination ofelements resulting from contractual or purchase order agree-ment shall be as agreed upon between the manufacturer orsupplier and the purchaser.13. Keywords13.1 brass wire; copper-alloy wire; copper-zinc alloy wire;gen
45、eral purpose wire; hexagonal wire; high strength wire;nonelectrical wire; octagonal wire; ornamental wire; rectangu-lar wire; round wire; spring wire; square wire; UNS No.C21000; UNS No. C22000; UNS No. C22600; UNS No.C23000; UNS No. C23400; UNS No. C24000; UNS No.C26000; UNS No. C27000; UNS No. C27
46、400; wireTABLE 4 Tensile Strength Requirements for Round, Hexagonal, Octagonal, and Square Wire0.5 mm and Over in Diameter or Distance Between Parallel SurfacesTemper Designation Tensile Strength, MPaACode NameCopper AlloyUNS No.C21000Copper AlloyUNS No.C22000Copper AlloyUNS Nos. C22600and C23000Cop
47、per AlloyUNS Nos. C23400and C24000Copper AlloyUNS Nos.C26000, C27000,and C27400Min Max Min Max Min Max Min Max Min MaxH00 Eighth-hard 240 310 260 345 295 395 345 450 345 450H01 Quarter-hard 285 350 310 395 365 450 425 515 425 530H02 Half-hard 340 400 385 460 455 530 540 620 545 650H03 Three-quarter
48、hard 395 440 440 510 525 595 620 695 635 740H04BHard 420 470 485 545 570 635 690 760 705 805H06C, DExtra-hard 455 505 540 595 650 700 770 835 795 890H08E, DSpring 495 . . . 580 . . . 690 . . . 800 . . . 830 . . .ASee Appendix X1.BH04 (hard) temper wire is not generally available in sizes over 13 mm
49、in diameter.CH06 (extra-hard) temper is not generally available in sizes over 10 mm in diameter.DSquare wire is not generally available in extra hard or spring tempers.EH08 (spring) temper is not generally available in sizes over 6 mm in diameter.B134/B134M 154TABLE 5 Tensile Strength Requirements and Approximate Rockwell Hardness Values for Rectangular WireTemper DesignationTensile Strength,ksiApproximate Rockwell HardnessAB Scale Superficial 30-TCode Name Min Max0.020 to0.036 in.inclOver 0.036in.0.012to0.028 in.inclOver 0.028in.Copp
