1、Designation: B929 17Standard Specification forCopper-Nickel-Tin Spinodal Alloy Rod and Bar1This standard is issued under the fixed designation B929; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r 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 forcopper-nickel-tin alloy rod and bar. The following alloy isincluded:Copper AlloyUNS No.N
3、ominal Composition, Weight %Copper Nickel TinC72900 77 15 81.2 UnitsThe values stated in inch-pound units are to beregarded as standard. The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.3 The following saf
4、ety hazard caveat pertains only to thetest method(s) described in this specification.1.4 This standard 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 an
5、d to determine theapplicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom
6、-mendations issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2B249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod, Bar, Shapes andForgingsB601 Classification for Temper Designations for Co
7、pper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE10 Test Method for Brinell Hardness of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE23 Test Methods for Notched Bar Impa
8、ct Testing of Me-tallic MaterialsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE75 Test Methods for Chemical Analysis of Copper-Nickeland Copper-Nickel-Zinc Alloys (Withdrawn 2010)3E140 Hardness Conversion Tables for Metals RelationshipAmong Brinell Hardness, Vickers Ha
9、rdness, RockwellHardness, Superficial Hardness, Knoop Hardness, Sclero-scope Hardness, and Leeb HardnessE478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sections of Specification B249/B249Mconstitute a part of this specification:3.1.1 Dimensions, Mass,
10、 and Permissible Variations;3.1.2 Number of Tests and Retests;3.1.3 Specimen Preparation;3.1.4 Significance of Numerical Limits;3.1.5 Inspection;3.1.6 Rejection and Rehearing;3.1.7 Certification;3.1.8 Packaging and Package Marking; and3.1.9 Supplementary Requirements.3.2 In addition, when a section
11、with a title identical to thatreferenced in 3.1 above appears in this specification, it containsadditional requirements which supplement those appearing inSpecification B249/B249M.4. Terminology4.1 DefinitionsFor definitions of terms related to copperand copper alloys, refer to Terminology B846.5. O
12、rdering Information5.1 Include the following specified choices when placingorders for product under this specification, as applicable: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
13、, Shapes and Forgings.Current edition approved May 15, 2017. Published June 2017. Originallyapproved in 2005. Last previous edition approved in 2011 as B929- 05(2011)1.DOI: 10.1520/B0929-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servi
14、ceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM Interna
15、tional, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Gu
16、ides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.15.1.1 ASTM designation and year of issue;5.1.2 Copper Alloy UNS No. C72900;5.1.3 Temper (Section 8);5.1.4 Dimensionsdiameter or distance between parallelsurfaces, width, thickness, and length
17、;5.1.5 How furnishedstock lengths or specific lengths,with or without ends; and5.1.6 Quantitytotal weight or total length or number ofpieces of each size.5.1.7 If product is purchased for agencies of the U.S.government (see the Supplementary Requirements section ofSpecification B249/B249M for additi
18、onal requirements, ifspecified).5.2 The following options are available but may not beincluded unless specified at the time of placing of the order,when required:5.2.1 Type of edge on bar (square corners, rounded corners,rounded edge, full-rounded edge),5.2.2 Certification (see Specification B249/B2
19、49M),5.2.3 Mill Test Report (see Specification B249/B249M),and5.2.4 Heat identification or traceability details (see Specifi-cation B249/B249M).6. Materials and Manufacture6.1 Materials:6.1.1 The material of manufacture shall be a form of CopperAlloy UNS No. C72900, of such purity and soundness as t
20、o besuitable for processing into the products prescribed herein.6.1.2 In the event 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 i
21、dentify a specificcasting analysis with a specific quantity of finished material.6.2 Manufacture:6.2.1 The product shall be manufactured by such hotworking, cold working, and annealing processes as to producea uniform wrought structure in the finished product.6.2.2 The product shall be hot or cold w
22、orked to the finishedsize, with intermediate heat treatments, when required, andfinal spinodal hardening to meet the temper properties speci-fied.7. Chemical Composition7.1 The material shall conform to the chemical compositionrequirements in Table 1 for the Copper Alloy UNS No.C72900.7.1.1 Results
23、of analysis on a product (check) sample shallconform to the composition requirements within the permittedanalytical variance specified in Table 1.7.2 These composition limits do not preclude the presenceof other elements. By agreement between the manufacturer andpurchaser, limits may be established
24、and analysis required forunnamed elements.7.3 Copper is listed as “remainder.” Copper is the differencebetween the sum of results of all elements determined and100 %. When all elements in Table 1 are determined, the sumof results shall be 99.7 % minimum.8. Temper8.1 The standard tempers for products
25、 described in thisspecification are given in Table 2. (See Classification B601.)8.1.1 TX00, TX02Spinodally Hardened (AT). Solutionannealed and spinodally hardened to different minimum yieldstrength levels, respectively.8.1.2 TS02, TS04, TS06, TS08Suitably cold worked andspinodally hardened to respec
26、tively increasing strength levels.9. Mechanical Property Requirements9.1 Tensile RequirementsProduct furnished under thisspecification shall conform to the tensile requirements pre-scribed in Table 2, when tested at room temperature inaccordance with Test Methods E8/E8M.9.2 Rockwell Hardness Require
27、mentThe Rockwell hard-ness values given in Table 2 are for general information andassistance in testing and shall not be used as a basis for productrejection.NOTE 2The Rockwell hardness test offers a quick and convenientmethod of checking for general conformity to the specification require-ments for
28、 temper and tensile strength.9.3 Charpy V-Notch (CVN) Impact Requirements:9.3.1 When specified by the purchaser, product furnishedunder this specification shall conform to the minimum averageabsorbed energy values prescribed in Table 3 when tested atroom temperature using averaged results of triplic
29、ate full-sizeCharpy (simple-beam) (Type A) impact specimens tested inaccordance with Test Methods E23.9.3.2 Any tempers not represented in Table 3 may be impacttested when requested by the purchaser; however, the averageCVN absorbed energy value shall be for information only.10. Dimensions, Mass, an
30、d Permissible Variation10.1 The dimensions and tolerances for product describedby this specification shall be as specified in SpecificationB249/B249M with particular reference to the following tablesand related paragraphs:TABLE 1 Chemical CompositionAComposition, %Copper AlloyUNS No.PreviousDesignat
31、ionCopper(incl. silver)Iron, max Zinc, maxNickel,incl. CobaltTin Manganese, max Niobium, max Magnesium, maxC72900 Cu-15Ni-8Sn Remainder 0.50 0.50 14.5 to 15.5 7.5 to 8.5 0.30 0.10 0.15ALead 0.02 (0.005 maximum for hot rolling).B929 17210.2 Diameter or Distance Between Parallel Surfaces:10.2.1 Rod: H
32、exagonal, OctagonalRefer to Table 5.10.2.2 Rod: RoundDiameterException to SpecificationB249/B249MRefer to Table 4.10.3 Width and Thickness:10.3.1 BarRectangular and SquareRefer to Tables 9and 11.10.4 LengthRod and BarRefer to Tables 13 and 15.10.5 StraightnessRod and BarRefer to Table 16, Gen-eral U
33、se section.10.6 Edge ContoursRefer to 6.5, Edge Contours.11. Workmanship, Finish, and Appearance11.1 The product shall be free of defects, but blemishes of anature that do not interfere with the intended application areacceptable.12. Sampling12.1 Sampling shall be in accordance with SpecificationB24
34、9/B249M, except that the heat size may be up to 100 000lb (45 360 kg) or fraction thereof.12.2 Sample pieces shall be taken from a heat and lot ofmaterial processed simultaneously in the same equipment.13. Number of Tests and Retests13.1 Section 9 of Specification B249/B249M constitutes apart of thi
35、s specification.13.2 If any lot of material fails to conform to the require-ment of this specification following heat treatment, the productmay be subjected to additional heat treatment, and newsamples of material may be resubmitted for testing. Only twosuch reheat treatments shall be permitted.14.
36、Specimen Preparation14.1 Section 10 of Specification B249/B249M constitutes apart of this specification.14.2 Tension test specimens shall be prepared in a fullcross-section area if practicable and in the direction of finalworking unless otherwise specified. Full cross-section or ma-chined specimens
37、shall be as specified in Test MethodsE8/E8M.TABLE 2 Mechanical Property RequirementsTemperDesignationNominal Dimension,in. (mm)Tensile Strength, min,ksiA(MPa)BYield Strength,(0.2 % Offset), min,ksiA(MPa)BElongationin 4D,Cmin, %Hardness, min,HRCTX001 to 4.25 (25 to 108), excl110 (755) 90 (620)1523D4.
38、25 to 9 (108 to 229), incl 12TX020.595 to 4.25 (15 to 108), excl 132 (910)110 (755)1030D4.25 to 9 (108 to 229), incl 127 (875) 6TS020.75 to 3.25 (19 to 83), incl 106 (730)95 (655) 18 93 HRBOver 3.25 to 6 (83 to 152), incl 105 (720)TS040.75 to 3.25 (19 to 83), incl120 (825) 110 (755) 1524Over 3.25 to
39、 6 (83 to 152), incl 22TS06 0.75 to 6 (19 to 152), incl 140 (965) 130 (895) 10 24TS080.25 (6), incl160 (1100)150 (1030)532Over 0.25 to 0.4 (6 to 10), incl7Over 0.4 to 0.75 (10 to 19), incl165 (1135)36Over 0.75 to 1.6 (19 to 41), incl 534Over 1.6 to 3.25 (41 to 83), incl160 (1100) 3Over 3.25 to 6 (83
40、 to 152), incl 148 (1020) 32Aksi = 1000 psi.BSee Appendix X1.C4D = Gage length is 4 gage diameter.DMay be reported as a conversion of HBW to HRC per Hardness Conversion Tables E140.TABLE 3 CVN Impact RequirementsTemperNominal Dimension,in (mm)Ave CVN AbsorbedEnergy, min, ft-lb (J)TX00 1 to 9 (25 to
41、229), incl 4 (5)TX02 0.595 to 9 (15 to 229), incl 4 (5)TS02 0.75 to 6 (19 to 152), incl 30A(40)ATS040.75 to 1.6 (19 to 41), excl 15 (20)1.6 to 3.25 (41 to 83), incl 12 (16)Over 3.25 to 6 (83 to 152), incl 11B(15)BTS06 0.75 to 6 (19 to 152), incl 5 (6)ANo single value less than 24 ft-lb (32 J).BNo si
42、ngle value less than 10 ft-lb (13 J).TABLE 4 Diameter Tolerance for Round RodTemper Diameter, in (mm)Tolerance, Plus and Minus,in (mm)TX00, TX020.595 to 1 (15 to 25), incl +0.04/-0 (+1.0/-0)Over 1 to 2 (25 to 51), incl +0.06/-0 (+1.5/-0)Over 2 to 3 (51 to 76), incl +0.10/-0 (+2.5/-0)Over 3 to 3.5 (7
43、6 to 89), incl +0.14/-0 (+3.6/-0)Over 3.5 to 4.25 (89 to 108), excl +0.24/-0 (+6.1/-0)4.25 to 9 (108 to 229), incl +0.05/-0A(+1.3/-0)ATS080.25 to 0.4 (6 to 10), excl 0.002 (0.05)0.4 to 0.75 (10 to 19), excl +0.005/-0 (+0.13/-0)TS02, TS04,TS06, TS080.75 to 1.6 (19 to 41), incl +0.02/+0.08 (+0.5/+2.0)
44、Over 1.6 to 2.75 (41 to 70), incl +0.02/+0.10 (+0.5/+2.5)Over 2.75 to 3.25 (70 to 83), incl +0.02/+0.145 (+0.5/+3.7)Over 3.25 to 6 (83 to 152), incl +0.02/+0.187 (+0.5/+4.7)ARough turned.B929 17314.3 When specified by the purchaser, triplicate, full size,Charpy (simple beam) (Type A) impact specimen
45、s shall betaken from the Test Methods E8/E8M designated testinglocation, or a location specified by the purchaser, and shall beprepared according to Test Methods E23. The axis of impactspecimens shall be machined from the center of product1.500 in. (38.1 mm) in diameter or less, in the L-R orientati
46、on.The axis of impact specimens shall be machined from alocation midway from the center to the surface of product over1.500 in. (38.1 mm) in diameter, in the L-C orientation.15. Test Methods15.1 Chemical Analyses:15.1.1 In cases of disagreement, test methods for chemicalanalysis shall be subject to
47、agreement between the manufac-turer or supplier and the purchaser. The following table is a listof published methods, some of which may no longer be viable,which along with others not listed, may be used subject toagreement:Element MethodCopper E53Iron E53Zinc E478Nickel E478Tin E478Manganese E7515.
48、1.2 Test method(s) to be followed for the determinationof element(s) resulting from contractual or purchase orderagreement shall be as agreed upon between the manufacturer orsupplier and purchaser.15.2 Other TestsThe product furnished shall conform tospecified requirements when subjected to test in
49、accordancewith the following table:Test MethodTensile E8/E8MHardness E18, E10, E140Charpy V-Notch Impact E2316. Significance of Numerical Limits16.1 See Specification B249/B249M for this part of thisspecification.17. Inspection17.1 See Specification B249/B249M for this part of thisspecification.18. Rejection and Rehearing18.1 See Specification B249/B249M for this part of thisspecification.19. Certification19.1 See Specification B249/B249M for this part of thisspecification.20. Test Report20.1 When specified in the contract or purchase order
