1、Designation: B441 04 (Reapproved 2010)B441 16Standard Specification forCopper-Cobalt-Beryllium, Copper-Nickel-Beryllium, andCopper-Nickel-Lead-Beryllium Rod and Bar (UNS Nos.C17500, C17510, and C17465)1This standard is issued under the fixed designation B441; the number immediately following the des
2、ignation indicates the year oforiginal adoption or, in the case of revision, the year 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.This standard has been approved for use b
3、y agencies of the U.S. Department of Defense.1. Scope Scope*1.1 This specification establishes the requirements for copper-cobalt-beryllium alloy (UNS No. C17500), copper-nickel-beryllium alloy (UNS No. C17510), and copper-nickel-lead-beryllium alloy (UNS No. C17465) rod and bar in straight lengths.
4、1.2 UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses aremathematical conversions to SI units, which are provided for information only and are not considered standard.1.3 The following hazard statementcaveat pertains only to the test method po
5、rtions of this specification: method(s) describedin this specification.This standard does not purport to address all of the safety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appropriate safety and health practices and determine the ap
6、plicability ofregulatory limitations prior to use.1.3.1 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and to determine the applicability
7、of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical Conductor MaterialsB194 Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled BarB249/B249M Specification for General Requirements for Wrought Copper and
8、 Copper-Alloy Rod, Bar, Shapes and ForgingsB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8E8/E8M Test Methods for Tension Testing of Metallic MaterialsE18 Test Methods for Rockwell Hardness of Metallic MaterialsE
9、1004 Test Method for Determining Electrical Conductivity Using the Electromagnetic (Eddy-Current) Method3. 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 Dimensions and Permiss
10、ible Variations,3.1.4 Workmanship, Finish, and Appearance,3.1.5 Sampling,3.1.6 Number of Tests and Retests,3.1.7 Specimen Preparation,1 This specification is under the jurisdiction ofASTM Committee B05 on Copper and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,Wir
11、e, Shapes and Forgings.Current edition approved April 1, 2010Oct. 1, 2016. Published May 2010November 2016. Originally approved in 1966. Last previous edition approved in 20042010 asB441 04.B44104(2010). DOI: 10.1520/B0441-04R10.10.1520/B0441-16.2 For referencedASTM standards, visit theASTM website,
12、 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.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of
13、 what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes 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
14、 the official document.*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 States13.1.8 Test Methods,3.1.9 Significance of Numerical Limits,3.1.10 Inspection,3.1.11 Rejection and R
15、ehearing,3.1.12 Certification,3.1.13 Test Report,3.1.14 Packaging and Package Marking, and3.1.15 Supplementary Requirements.3.2 In addition, when a section with a title identical to one of those that referenced in 3.1, above, appears in this specification,it contains additional requirements that sup
16、plement those appearing in Specification B249/B249M.4. Terminology4.1 For definition of terms related to copper and copper alloys, refer to Terminology B846.5. Ordering Information5.1 Include the following information in orders for product:specified choices when placing orders for product under this
17、specification, as applicable:5.1.1 ASTM designation and year of issue,5.1.2 Copper alloy Alloy UNS No. designation,5.1.3 Temper (Section 7 and Table 1 and Table 2),5.1.4 Form of product (cross section such as round, hexagonal, octagonal, rectangular, or square),5.1.5 Dimensions (diameter or distance
18、 between parallel surfaces),5.1.6 Edge contours,5.1.7 Length,5.1.8 Quantity; total Quantitytotal weight, footage or or total length, or number of pieces for each form, temper, size, andcopper alloy, and5.1.9 When product is purchased for agencies of the U.S. government.Intended application.5.2 The f
19、ollowing are options available under this specification and should be included in the contract or purchase are availablebut may not be included unless specified at the time of placing of the order when required:5.2.1 Heat identification or traceability details (Specification B249/B249M),5.2.2 Tensil
20、e strength test (9.1),5.2.3 Certification (Specification B249/B249M), and5.2.4 Mill test reportTest Report (Specification B249/B249M). ),5.2.5 When product is purchased for agencies of the U.S. government.6. Chemical Composition6.1 The material shall conform to the compositional limits givenchemical
21、 composition requirements in Table 41 for the copperalloy designated alloy UNS No. designation specified in the ordering information.TABLE 12 Tensile Strength and Rockwell Hardness Requirements for Rod and BarATemper Designation As SuppliedStandard Former Tensile Strength,ksiB (MPaC ) Rockwell Hardn
22、ess,B ScaleElectricalConductivityIACS min, %Temper Designation As SuppliedStandard FormerTensileStrength,ksiB (MPaC )Rockwell Hard-ness, B ScaleElectricalConductivityIACS min, %TB00 solution heat-treated (A) 3555 (240380) 50 max 20TB00 solution heat-treated (A) 3555 (240380) 50 max 20TD04 solution h
23、eat-treated and cold-worked: hard (H) 6580 (450550) 6080 20TD04 solution heat-treated and cold-worked: hard (H) 6580 (450550) 6080 20After Precipitation Heat TreatmentTF00 precipitation hardened (AT) 100130 (690895)D 92100 45TF00 precipitation hardened (AT) 100130 (690895)D 92100 45TH04 hard and pre
24、cipitation heat-treated (HT) 110140 (760965)D 95102 48TH04 hard and precipitation heat-treated (HT) 110140 (760965)D 95102 48A These values apply to mill products. See Section 8 for exceptions in end products.B ksi = 1000 psi.C See Appendix.D The upper limits in the tensile strength column are for d
25、esign guidance only.B441 1626.1.1 These composition limits do not preclude the presence of other elements. Limits By agreement between manufacturer andpurchaser, limits may be established and analysis required for unnamed elements elements.by agreement between the manufacturerand the purchaser.6.2 C
26、opper, listed as the “remainder” is the difference between the sum of results for all elements determined and 100 %.6.2 When all elements specified inFor the alloys in which Table 4 for the copper alloy designated in the ordering informationcopper is listed as the “remainder,” copper is the differen
27、ce between the sum of results for all elements determined and 100 %.When all elements specified in Table 1 are determined, the sum of results shall be 99.5 % min.7. Temper7.1 Tempers, as The standard tempers described in Classification B601, available under this specification are: TB00 (solutionareg
28、iven in Table 2heat, Table 3treated (A). TF00 (precipitation hardened (AT), TD04 (solution heat treated , and Table 4coldworked: hard (H), and TH04 (hard and precipitation heat treated (HT)NOTE 1Although not produced under this specification, non-standard tempers are available by special order and t
29、he properties of such product aresubject to negotiation between the manufacturer and the purchaser.7.1.1 TB00 (solution heat treated (A),7.1.2 TF00 (precipitation hardened (AT),7.1.3 TD04 (solution heat treated and cold worked: hard (H),7.1.4 TH04 (hard and precipitation heat treated (HT).NOTE 1Alth
30、ough not produced under this specification, non-standard tempers are available by special order and the properties of such product aresubject to negotiation between the manufacturer and the purchaser.8. Physical Property Requirements8.1 Electrical Conductivity:8.1.1 Product furnished to this specifi
31、cation The product furnished shall conform to the electrical conductivity requirementgivenprescribed in Table 12 and Table 4 for the applicable temper, when tested in accordance with Test Method E1004 for productequal to and greater than 38 in. (9.52 mm) (9.5 mm) in nominal diameter or distance betw
32、een parallel surfaces and other shapesTABLE 41 Chemical CompositionConcentration, %ElementCopper AlloyUNS No.C17500Copper AlloyUNS No.C17510Copper AlloyUNS No.C17465Beryllium 0.40.7 0.20.6 0.150.50Beryllium 0.40.7 0.20.6 0.150.50Cobalt 2.42.7 0.3 max .Cobalt 2.42.7 0.3 max .Nickel . 1.42.2 1.01.4ANi
33、ckel . 1.42.2 1.01.4AIron, max 0.10 0.10 0.20Iron, max 0.10 0.10 0.20Aluminum, max 0.20 0.20 0.20Aluminum, max 0.20 0.20 0.20Silicon, max 0.20 0.20 0.20Silicon, max 0.20 0.20 0.20Tin, max . . 0.25Tin, max . . 0.25Zirconium, max . . 0.50Zirconium, max . . 0.50Lead . . 0.200.6Lead . . 0.200.6Copper re
34、mainder remainder remainderCopper remainder remainder remainderA Incl. Co.TABLE 23 Precipitation Heat-Treatment Time for Acceptance TestsTemper Designation Copper Alloy UNSNo. C17500 Atat900F (482C), hCopper Alloy UNSNo. C17510 Atat850F (454C)A or900F (482C)(482C),A , hStandard FormerTB00 solution h
35、eat-treated (A) 3 3TD04 solution heat-treated and cold-worked: hard (H) 2 2A Specific temperature used must conform with suppliers certification.B441 163having a nominal cross sectional area exceeding 0.141 in.2 (91 mm2). On product For products with less than 38 in. in. (9.5 mm)in nominal diameter
36、or distance between parallel surfaces and other shapes having a nominal cross sectional area less than 0.141in.2 (91 mm2), electrical resistivity willshall be measured in accordance with Test Method B193 and converted to conductivity.9. Mechanical Property Requirements9.1 Tensile test results shall
37、be the product acceptance criteria, when tested in accordance with Test Methods E8E8/E8M forproduct equal to or less than 38 in. (9.5 mm) in nominal diameter or distance between parallel surfaces, and other shapes havinga nominal cross sectional area equal to or less than 0.141 in.2 (91 mm2).9.1.1 T
38、ensile strength requirements are given in Table 12.9.2 Rockwell hardness is the product acceptance criteria, when tested in accordance with Test Methods E18 for product largerthan 38 in. (9.5 mm) in nominal diameter or distance between parallel surfaces, and other shapes having a nominal cross secti
39、onalarea larger than 0.141 in.2 (91 mm2).9.2.1 The referee product rejection criteria shall be tensile test results, when tested in accordance with Test MethodsE18E8/E8M.9.3 The tension test will be used for qualification of all material when specifically required by the purchaser, as in somegovernm
40、ent requirements.10. Precipitation Heat-Treatment10.1 The precipitation heat-treatment is performed on TB00 (A) and TD04 (H) tempers by the purchaser after forming.10.2 Conformance to the TF00 (AT) and TH04 (HT) specification limits shown in Table 12, for products supplied in the TB00(A) or the TD04
41、 (H) tempers, shall be determined by testing test specimens heat-treated at a uniform temperature of 850 to 900Ffor the times shown in Table 23.10.3 End products may be heat-treated at other times and temperatures for specific applications. These special combinations ofproperties such as increased d
42、uctility, dimensional accuracy, and endurance strength may be obtained by special precipitation-hardening heat treatments. The mechanical requirements of Table 12 do not apply to such special heat treatment. Specific testrequirements as needed shall be agreed upon between the manufacturer or the sup
43、plier and the purchaser of the end product.10.4 TF00 (AT) and TH04 (HT) tempers as standard mill-hardened products have been precipitation heat-treated and tested bythe manufacturer. An appropriate time and temperature has been used to produce properties within the specification limits shownin Table
44、 12. Table 23 does not apply. Further thermal treatment of these tempers is not normally required.10.5 Material may be supplied with nonstandard properties. Table 12 values would not apply. Specific test requirements asneeded shall be agreed upon between the manufacturer or the supplier and the purc
45、haser of these end products.11. Number of Tests and Retests11.1 Retests:11.1.1 Refer to Specification B249/B249M with the following additional requirements:11.1.2 Material that fails to conform to the requirements of this specification due to inadequate heat-treatment may beheat-treated subsequently
46、 and submitted for test. Only two such subsequent treatments shall be permitted.12. Test Methods12.1 Chemical Analysis:12.1.1 The chemical composition shall be determined, in case of dispute, in accordance with the applicable method in theAnnexof Specification B194.TABLE 34 Tensile Strength and Rock
47、well Hardness Requirements for Rod and Bar (C17465)ATemper Designation As SuppliedStandard Former Tensile Strength,ksiB (MPa)C Rockwell Hardness,B ScaleElectricalConductivityIACS min, %Temper Designation As SuppliedStandard Former Tensile Strength,ksiB (MPa)CRockwell Hardness,B ScaleElectricalConduc
48、tivityIACS min, %TH04 hard and precipitation heat-treated (HT) 125145 (8601000)D 95 min 44A These values apply to mill products. See Section 8 for exceptions in end products.B ksi = 1000 psi.C See Appendix.D The upper limits in the tensile strength column are for design guidance only.B441 16412.1.2
49、The test method(s) to be followed for the determination of element(s) resulting from contractual or purchase orderagreement shall be as agreed upon between the supplier and the purchaser.12.2 Mechanical Property Requirements:12.2.1 In case of dispute over Rockwell hardness test results, the rejection criteria shall be tensile test results, when tested inaccordance with Test Methods E8E8/E8M.13. Keywords13.1 beryllium copper bar; beryllium copper rod; UNS C17500 bar; UNS C17500 rod; UNS C17510 bar; UNS C17510 rod
