1、Designation: B929 05 (Reapproved 2011)1B929 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
2、 of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1 NOTEEditorial corrections made throughout in March 2011.1. Scope Scope*1.1 This specification establishes the requirements f
3、or copper-nickel-tin alloy rod and bar. The following alloy is included:Copper AlloyUNS No. Nominal Composition, Weight %Copper Nickel TinC72900 77 15 81.2 UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses aremathematical conversions to SI uni
4、ts that are provided for information only and are not considered standard.1.3 The following safety hazard caveat pertains only to the test method(s) described in this specification.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the re
5、sponsibilityof the user of this standard to establish appropriate safety and health practices and to determine the applicability of regulatorylimitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardizationestablished
6、in the Decision on Principles 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:2B249/B249M Specification for General Requirements for Wrought Copper a
7、nd Copper-Alloy Rod, Bar, Shapes and ForgingsB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8/E8M Test Methods for Tension Testing of Metallic MaterialsE10 Test Method for Brinell Hardness of Metallic MaterialsE18
8、 Test Methods for Rockwell Hardness of Metallic MaterialsE23 Test Methods for Notched Bar Impact Testing of Metallic MaterialsE53 Test Method for Determination of Copper in Unalloyed Copper by GravimetryE75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn
9、2010)3E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness,Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb HardnessE478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sect
10、ions of Specification B249/B249M constitute a part of this specification:3.1.1 Dimensions, Mass, and Permissible Variations,Variations;3.1.2 Number of Tests and Retests,Retests;3.1.3 Specimen Preparation,Preparation;1 This specification is under the jurisdiction ofASTM Committee B05 on Copper and Co
11、pperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,Wire, Shapes and Forgings.Current edition approved June 1, 2005May 15, 2017. Published March 2011June 2017. Originally approved in 2005. Last previous edition approved in 20052011 asB929 05.B929- 05(2011)1. DOI: 10.1520/B
12、0929-05R11E01.10.1520/B0929-17.2 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 standards Document Summary page on the ASTM website.3 The last approved version of
13、 this historical standard 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
14、accurately, ASTM recommends 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 Ha
15、rbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States13.1.4 Significance of Numerical Limits,Limits;3.1.5 Inspection,Inspection;3.1.6 Rejection and Rehearing,Rehearing;3.1.7 Certification,Certification;3.1.8 Packaging and Package Marking,Marking; and3.1.9 Supplementary Requirement
16、s.3.2 In addition, when a section with a title identical to that referenced in 3.1 above appears in this specification, it containsadditional requirements which supplement those appearing in Specification B249/B249M.4. Terminology4.1 DefinitionsFor definitions of terms related to copper and copper a
17、lloys, refer to Terminology B846.5. Ordering Information5.1 Include the following information specified choices when placing orders for product under this specification, as applicable:5.1.1 ASTM designation and year of issue,issue;5.1.2 Copper Alloy UNS No. C72900,C72900;5.1.3 Temper (Section 8),);5
18、.1.4 Dimensionsdiameter or distance between parallel surfaces, width, thickness, and length,length;5.1.5 How furnishedstock lengths or specific lengths, with or without ends,ends; and5.1.6 Quantitytotal weight or total length or number of pieces of each size.5.1.7 If product is purchased for agencie
19、s of the U.S. government (see the Supplementary Requirements section of SpecificationB249/B249M for additional requirements, if specified).5.2 The following options are available and should be but may not be included unless specified at the time of placing of theorder, when required:5.2.1 Type of ed
20、ge on bar (square corners, rounded corners, rounded edge, full-rounded edge),5.2.2 Certification (see Specification B249/B249M), and5.2.3 Mill Test Report (see Specification B249/B249M).), and5.2.4 Heat identification or traceability details (see Specification B249/B249M).6. Materials and Manufactur
21、e6.1 Materials:6.1.1 The material of manufacture shall be a form of Copper Alloy UNS No. C72900, of such purity and soundness as to besuitable for processing in to into the products prescribed herein.6.1.2 In the event heat identification or traceability is required, the purchaser shall specify the
22、details desired.NOTE 1Due to the discontinuous 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.6.2 Manufacture:6.2.1 The product shall be manufactured by such hot working, cold
23、 working, and annealing processes as to produce a uniformwrought structure in the finished product.6.2.2 The product shall be hot or cold worked to the finished size, and subsequently annealed when required, with intermediateheat treatments, when required, and final spinodal hardening to meet the te
24、mper properties specified.7. Chemical Composition7.1 The material shall conform to the chemical composition requirements in Table 1 for the Copper Alloy UNS No. C72900.TABLE 1 Chemical CompositionAComposition, %Copper AlloyUNS No.PreviousDesignationCopper(including silver) Iron, max Zinc, maxNickel,
25、incl. Cobalt Tin Manganese, max Niobium, max Magnesium, maxC72900 Cu-15Ni-8Sn Remainder 0.50 0.50 14.515.5 7.58.5 0.30 0.10 0.15TABLE 1 Chemical CompositionAComposition, %Copper AlloyUNS No.PreviousDesignationCopper(incl. silver) Iron, max Zinc, maxNickel,incl. Cobalt Tin Manganese, max Niobium, max
26、 Magnesium, maxC72900 Cu-15Ni-8Sn Remainder 0.50 0.50 14.5 to 15.5 7.5 to 8.5 0.30 0.10 0.15A Lead 0.02 (0.005 maximum for hot rolling).B929 1727.1.1 Results of analysis on a product (check) sample shall conform to the composition requirements within the permittedanalytical variance specified in Tab
27、le 1.7.2 These composition limits do not preclude the presence of other elements. By agreement between the manufacturer andpurchaser, limits may be established and analysis required for unnamed elements.7.3 Copper is listed as “remainder.” Copper is the difference between the sum of results of all e
28、lements determined and 100 %.When all elements in Table 1 are determined, the sum of results shall be 99.7 % minimum.8. Temper8.1 The standard tempers for products described in this specification are given in Table 2. (See Classification B601.)8.1.1 TX00, TX02TX 00Spinodal Hardened (AT).Spinodally H
29、ardened (AT). Solution annealed and spinodally hardened todifferent minimum yield strength levels, respectively.8.1.2 TS02, TS04, TS06, TS08Suitably cold worked and spinodally hardened to respectively increasing strength levels.9. Mechanical Property Requirements9.1 Tensile Strength Requirements : R
30、equirements9.1.1 Product furnished under this specification shall conform to the tensile requirements prescribed in Table 2, when tested inaccordance with Test Methods E8/E8M.Product furnished under this specification shall conform to the tensile requirementsprescribed in Table 2, when tested at roo
31、m temperature in accordance with Test Methods E8/E8M.9.1.2 Acceptance or rejection based upon mechanical properties shall depend only on tensile strength.9.2 Rockwell Hardness Requirement RequirementThe approximate Rockwell hardness values given in Table 2 are forgeneral information and assistance i
32、n testing and shall not be used as a basis for product rejection.NOTE 2The Rockwell hardness test offers a quick and convenient method of checking for general conformity to the specification requirements fortemper, tensile strength, and grain size.temper and tensile strength.9.3 Charpy V-Notch (CVN)
33、 Impact Requirements:9.3.1 When specified by the purchaser, product furnished under this specification shall conform to the minimum averageabsorbed energy values prescribed in Table 3 when tested at room temperature using averaged results of triplicate full-size Charpy(simple-beam) (Type A) impact s
34、pecimens tested in accordance with Test Methods E23.9.3.2 Any tempers not represented in Table 3 may be impact tested when requested by the purchaser; however, the average CVNabsorbed energy value shall be for information only.10. Dimensions, Mass, and Permissible Variation10.1 The dimensions and to
35、lerances for product described by this specification shall be as specified in SpecificationB249/B249M with particular reference to the following tables and related paragraphs:TABLE 2 Mechanical Property RequirementsATemperDesignationTensile Strength,ksiYield Strength,(0.2% offset)Elongationin 4 x DB
36、 , %HardnessHRCTX00 4 in., 110135 90115 15 min 23minTX00 4 in. and over 110135 90115 12 min 23TABLE 2 Mechanical Property RequirementsTemperDesignationNominal Dimension,in. (mm)Tensile Strength, min,ksiA (MPa)BYield Strength,(0.2 % Offset), min,ksiA (MPa)BElongationin 4D,C min, %Hardness, min,HRCTX0
37、0 1 to 4.25 (25 to 108), excl 110 (755) 90 (620) 15 23D4.25 to 9 (108 to 229), incl 12TX02 0.595 to 4.25 (15 to 108), excl 132 (910) 110 (755) 10 30D4.25 to 9 (108 to 229), incl 127 (875) 6TS02 0.75 to 3.25 (19 to 83), incl 106 (730) 95 (655) 18 93 HRBOver 3.25 to 6 (83 to 152), incl 105 (720)TS04 0
38、.75 to 3.25 (19 to 83), incl 120 (825) 110 (755) 15 24Over 3.25 to 6 (83 to 152), incl 22TS06 0.75 to 6 (19 to 152), incl 140 (965) 130 (895) 10 24TS080.25 (6), incl 160 (1100)150 (1030)5 32Over 0.25 to 0.4 (6 to 10), incl 7Over 0.4 to 0.75 (10 to 19), incl 165 (1135) 36Over 0.75 to 1.6 (19 to 41),
39、incl 5 34Over 1.6 to 3.25 (41 to 83), incl 160 (1100) 3Over 3.25 to 6 (83 to 152), incl 148 (1020) 32A The upper limits in the tensile strength and yield strength columns are for design guidance only.ksi = 1000 psi.B 4See Appendix X1X D = 4 X diameter.C 4D = Gage length is 4 gage diameter.D May be r
40、eported as a conversion of HBW to HRC per Hardness Conversion Tables E140.B929 17310.2 Diameter or Distance Between Parallel Surfaces:10.2.1 Rod: Round, Hexagonal, OctagonalRefer to Table 5.10.2.2 Rod: RoundDiameterException to Specification B249/B249MRefer to Table 4.10.3 Width and Thickness:10.3.1
41、 BarRectangular and SquareRefer to Tables 9 and 11.10.4 LengthRod and BarRefer to Tables 13 and 15.10.5 StraightnessRod and BarRefer to Table 16, General Use section.10.6 Edge ContoursRefer to section 6.5,6.5, Edge Contours.11. Workmanship, Finish, and Appearance11.1 The product shall be free of def
42、ects, but blemishes of a nature that do not interfere with the intended application areacceptable.12. Sampling12.1 Sampling shall be in accordance with Specification B249/B249M, except that the heat size is defined as 12 000 lb(5455may be up to 100 000 lb (45 360 kg) or fraction thereof.12.2 Sample
43、pieces shall be taken from a heat and lot of material processed simultaneously in the same equipment, asfollows:equipment.12.3 HeatA heat shall be the result of castings poured simultaneously from the same source of molten metal.12.4 LotA lot shall be a heat or fraction thereof.13. Number of Tests a
44、nd Retests13.1 Section 9 of Specification B249/B249M constitutes a part of this specification.TABLE 3 CVN Impact RequirementsTemper Nominal Dimension,in (mm) Ave CVN AbsorbedEnergy, min, ft-lb (J)TX00 1 to 9 (25 to 229), incl 4 (5)TX02 0.595 to 9 (15 to 229), incl 4 (5)TS02 0.75 to 6 (19 to 152), in
45、cl 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)A No single value less than 24 ft-lb (32 J).B No single value less than 10 ft-lb (13 J).TABLE 4 Diameter Tolerance for Round RodTemp
46、er 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 (76 to 89), incl +0.14/-0 (+3.6/-0)Over 3.5 to 4.25 (89 to 108), excl +0.24/-0 (+6
47、.1/-0)4.25 to 9 (108 to 229), incl +0.05/-0A (+1.3/-0)ATS08 0.25 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)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
48、 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)A Rough turned.B929 17413.2 If any heat treat batch lot of material fails to conform to the requirements of this specification, requirement of thisspecification following heat treatment, the product may be
49、 subjected to additional heat treatment, and new samples of material maybe resubmitted for testing. Only two such retests reheat treatments shall be permitted.14. Specimen Preparation14.1 Section 10 of Specification B249/B249M constitutes a part of this specification.14.2 Tension test specimens shall be prepared in a full cross-section area if practicable and in the direction of final workingunless otherwise specified. Full cross section cross-section or machined specimens shall be as specified in Test MethodMethodsE8/E8M814.3 When speci
