1、Designation: B196/B196M 07 (Reapproved 2013)1Standard Specification forCopper-Beryllium Alloy Rod and Bar1This standard is issued under the fixed designation B196/B196M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of l
2、ast revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1NOTECorrections were made in Table 3 and 10.
3、2.1 editorially in September 2015.1. Scope*1.1 This specification establishes the requirements forcopper-beryllium alloy rod and bar in straight lengths. Thefollowing three alloys are included:Copper AlloyUNS No.Previously UsedDesignationsNominal BerylliumContent, %C17000 Alloy 165 1.7C17200 Alloy 2
4、5 1.9C17300 1.9+0.4 lead1.2 Unless otherwise required, Copper Alloy UNS No.C17200 shall be the alloy furnished whenever SpecificationB196/B196Mis specified without any alloy designation.1.3 The values stated in either inch-pounds or SI units are tobe regarded separately as the standard. Within the t
5、ext, the SIunits are shown in brackets. The values stated in each systemmay not be exact equivalents; therefore, each system shall beused independently of the other. Combining values from thetwo systems may result in nonconformance with the specifi-cation.1.4 This standard does not purport to addres
6、s 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 and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 The following documents in the c
7、urrent issue of theBook of Standards form a part of this specification to the extentreferenced herein:2.2 ASTM Standards:2B194 Specification for Copper-BerylliumAlloy Plate, Sheet,Strip, and Rolled BarB249/B249M Specification for General Requirements forWrought Copper and Copper-Alloy Rod, Bar, Shap
8、es andForgingsB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic MaterialsMetric (Withdrawn 2008)33. General Requ
9、irements3.1 The following sections of Specification B249/B249Mconstitute a part of this specification:3.1.1 Terminology;3.1.2 Dimensions and Permissible Variations;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
10、;3.1.8 Significance of Numerical Limits;3.1.9 Inspection;3.1.10 Rejection and Rehearing;3.1.11 Certification;3.1.12 Mill Test Report;3.1.13 Packaging and Package Marking; and3.1.14 Heat Identification1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is
11、 the direct responsibility of Subcommittee B05.02 on Rod,Bar, Wire, Shapes and Forgings.Current edition approved April 1, 2013. Published April 2013. Originallyapproved in 1945 to replace portions of B120 41 T. Last previous edition approvedin 2007 as B196/B196M-07. DOI: 10.1520/B0196_B0196M-07R13E0
12、1.2For 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.3The last approved version of this historical standard is r
13、eferenced onwww.astm.org.*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 States13.2 In addition, when a section with a title identical to thatreferenced in 3.1 above appears in
14、 this specification, it containsadditional requirements which supplement those appearing inSpecification B249/B249M.4. Terminology4.1 For terms related to copper and copper alloys, refer toTerminology B846.4.2 Definitions of Terms Specific to This Standard:4.2.1 HeatA heat shall be the result of cas
15、tings pouredsimultaneously from the same source of molten metal.4.2.2 LotThe lot shall be a heat or fraction thereof.5. Ordering Information5.1 Orders for products should include the followinginformation, as applicable:5.1.1 ASTM specification designation and year of issue,5.1.2 Quantity,5.1.3 Coppe
16、r Alloy UNS No. designation (Section 1),5.1.4 Form of material (rod or bar and cross section, such asround, hexagonal, and so forth),5.1.5 Temper (Section 8),5.1.6 Dimensions (diameter or distance between parallelsurfaces, and length),5.1.7 How furnished (stock or specific lengths, with orwithout en
17、ds), and5.1.8 When material is ordered for agencies of the U.S.government (See Section 11).5.2 The following options are available and should bespecified in the contract or purchase order when required:5.2.1 Type of edge (square corners, rounded corners,rounded edge, full-rounded edge),5.2.2 Mechani
18、cal properties (tension test and hardness)(Section 10),5.2.3 Certification, and5.2.4 Mill Test Report.6. Materials and Manufacture6.1 Material:6.1.1 The material of manufacture shall be Copper AlloyUNS No. C17000, C17200, or C17300, cast and worked and ofsuch purity and soundness as to be suitable f
19、or processing intothe products prescribed herein.6.1.2 Heat traceability shall be maintained and reported onthe Mill Test Report or Certification.6.2 Manufacture:6.2.1 The product shall be produced with a combination hotworking, cold working, and thermal processing to produce auniform wrought struct
20、ure and the specified temper.7. Chemical Composition7.1 The material shall conform to the chemical compositionrequirements prescribed in Table 1 for Copper Alloy UNS No.designation specified in the ordering information.7.2 These composition limits do not preclude the presenceof other elements. Limit
21、s for unnamed elements may beestablished and analysis required by agreement between themanufacturer, or supplier, and purchaser.7.3 Copper is customarily given as remainder, but may betaken as the difference between the sum of all elementsanalyzed and 100 %.7.4 When all the elements in Table 1 are d
22、etermined, thesum of results shall be 99.5 % min.8. Temper8.1 The standard temper designations available under thisspecification and as specified in Practice B601 are solutionheat-treated TB00 (A), and cold-drawn hard TD04 (H), (seeTable 2) to be precipitation heat treated by the user. Alsoavailable
23、 are products already precipitation heat treated by themanufacturer, tempers TF00 (AT) and TH04 (HT). Theseproducts meet property requirements in Table 3 and normallyrequire no further heat treatment by the user.9. Precipitation Heat Treatment9.1 The precipitation heat treatment is performed on TB00
24、(A) and TD04 (H) tempers by the purchaser, after machining orforming.TABLE 1 Chemical RequirementsElementComposition,%Copper Alloy UNS No.C17000 C17200 C17300Beryllium 1.601.85 1.802.00 1.802.00Nickel + cobalt, min 0.20 0.20 0.20Nickel + cobalt+ iron, max0.6 0.6 0.6Aluminum, max 0.20 0.20 0.20Silico
25、n, max 0.20 0.20 0.20Lead . . 0.200.6Copper remainder remainder remainderTABLE 2 Solution Heat-Treated and Solution Heat-Treated and Cold-Worked Mechanical Property RequirementsTemper DesignationDiameter or MaximumDistance BetweenParallel SurfacesTensileStrength,ksiTensileStrength,MPaYield Strength,
26、 min0.2 % offset, ksiRockwellHardness,B ScaleElongation in4DA,min, %Standard Formerin. mm MPaTB00 Solution heat treated (A) all sizes all sizes 6085 410590 20 140 4585 20TD04 Hard (H) up to38, incl. up to 10 90130 620900 75 520 88103 8over38 to 1 incl. over 10 to 25 incl. 90125 620860 75 520 88102 8
27、over 1 to 3, incl. over 25 to 75 85120 590830 75 520 88101 8A4D =4diameter.B196/B196M 07 (2013)12TABLE3PrecipitationHeat-TreatedMechanicalPropertyRequirementsATemperDesignationDiameterorMaximumDistanceBetweenParallelSurfacesCopperAlloyUNSNo.Elongation in4DB,min,%C17000C17200andC17300StandardFormerTe
28、nsileStrength,ksiTensileStrengthMPaYieldStrength,min,0.2%offset,ksiRockwellHardness,CScaleTensileStrength,ksiYieldStrength,min,0.2%offset,ksiRockwellHardness,CScalein.mmMPaMPaMPaTF00Solutionheattreated(AT)upto3,incl.upto76.2150190C10301310C1258603239165200C11401380C145100036424over3over76.2150190C10
29、301310C1258603239165200C11401380C13090036423TH04Hard(HT)upto38,incl.upto10170210C12101450C14510003541185225C12801550C160110039452over38to1,incl.over10to25.4,incl.170210C11701450C14510003541180220C12401520C155107038442over1to3,incl.over25.4to76.2,incl.165200C11401380C1359303439175215C12101480C1451000
30、37444Editoriallycorrected.AThesevaluesapplytostandardqualificationheattreatment,see8.1.B4D=4diameter.CTheupperlimitsinthetensilestrengthcolumnarefordesignguidanceonly.B196/B196M 07 (2013)139.2 Conformance to the TF00 (AT) and TH04 (HT) speci-fication limits shown in Table 3, for products supplied in
31、 theTB00 (A) or the TD04 (H) tempers, shall be determined bytesting test specimens heat treated at a uniform temperature of600 to 675F (316 to 357C) for the times shown in Table 4.9.3 End products may be heat treated at other times andtemperatures for specific applications. These special combina-tio
32、ns of properties such as increased ductility, electricalconductivity, dimensional accuracy, endurance life, and resis-tance to elastic drift and hysteresis in springs, may be obtainedby special precipitation-hardening heat treatments. The me-chanical requirements of Table 3 do not apply to such spec
33、ialheat treatments. Specific test requirements as needed shall beagreed upon between the manufacturer or supplier and pur-chaser of the end product.9.4 TF00 (AT) and TH04 (HT) tempers as standard mill-hardened products have been precipitation heat treated andtested by the manufacturer for conformanc
34、e to the specificationlimits shown in Table 3. Further thermal treatments of thesetempers are not normally required.10. Mechanical Property Requirements10.1 Tensile Test Requirements:10.1.1 The tension test, in accordance with Test Methods E8or E8M, shall be the standard test for rod (round, hexagon
35、al,and octagonal) and bar (square) having a nominal diameter ordistance between parallel surfaces up to38 in. 10 mm incl,and other shapes having a nominal cross-sectional area up to0.141 in.2100 mm2, incl. The tensile strength requirementsshall be prescribed in Table 2 and Table 3 after precipitatio
36、nheat treatment in accordance with 8.1.10.2 Rockwell Hardness Requirements:10.2.1 Hardness shall be the standard test for round,hexagonal, octagonal, and square rod larger than38 in.10 mm nominal diameter or distance between parallel sur-faces and other shapes having a nominal cross-sectional areaex
37、ceeding 0.141 in.23.6 mm. The hardness requirementsshall be as prescribed in Table 2 for solution heat treated orsolution heat treated and cold worked and in Table 4 afterprescribed heat treatment. The tension test should not be madeexcept when indicated by the purchaser.10.2.2 Where agreement on Ro
38、ckwell hardness tests cannotbe reached, the tensile strength requirements of Tables 2 and 3shall be the basis for acceptance or rejection.11. Purchases for U. S. Government11.1 When specified in the contract or purchase order,product purchased for an agency of the U. S. government shallconform to th
39、e special government requirements specified inthe Supplementary Requirements section of SpecificationB249/B249M.12. Dimensions and Permissible Variations12.1 The dimensions and tolerances for material covered bythis specification shall be as prescribed in the current edition ofSpecification B249/B24
40、9M:12.2 Diameter or Distance Between Parallel Surfaces:12.2.1 Rod, Round, Hexagonal, Octagonal12.2.2 Rod, Hot-Rolled, Round12.2.3 Rod, As-Extruded12.2.4 Bar, Rectangular and Square12.2.5 Bar, As-Extruded12.3 Length12.4 Straightness12.5 Edge Contours13. Workmanship, Finish, and Appearance13.1 The pro
41、duct shall be free of defects, but blemishes ofa nature that do not interfere with the intended application areacceptable.14. Sampling14.1 Sampling shall be in accordance with SpecificationB249/B249M, except that the heat size is defined as 12 000 lbs(5455 kg) or fraction thereof.14.2 Sample pieces
42、shall be taken from a heat and lot ofmaterial processed simultaneously in the same equipment, asfollows:15. Number of Tests and Retests15.1 Section 9 of Specification B249/B249M constitutes apart of this specification.15.2 Test specimens shall be taken from the sample piecesselected in accordance wi
43、th 14.1.15.2.1 In the case of product shipped in the TB00 or TD04condition, two test specimens shall be taken from each samplepiece. One is to be tested in the as-sampled condition, and onein the precipitation heat-treated condition.15.2.2 In the case of product shipped in the precipitationheat-trea
44、ted condition, one specimen from each sample shall betested.15.3 RetestsIf any lot of material fails to conform to therequirements of this specification as a result of inaccurate heatTABLE 4 Standard Precipitation Heat Treatment Time for Acceptance TestsTemper Designation Diameter or Distance Betwee
45、nParallel Surfaces, in. Time at 600 to 675F,Standard Formerin. mm hTB00 Solution heat treated (A) all sizes all sizes 3TD04 Hard (H) up to34, incl. up to 19.1, incl. 2over34 over 19.1 3B196/B196M 07 (2013)14treatment, new samples of material may be resubmitted for testafter proper heat treatment. On
46、ly two such reheat treatmentsshall be permitted.16. Specimen Preparation16.1 Section 10 of Specification B249/B249M constitutes apart of this specification.16.2 Test SpecimensTension test specimens, whenrequired, shall be prepared in a full cross-sectional area ifpracticable and in the direction of
47、final working unless other-wise specified. Full cross section or machined specimens shallbe as specified in Test Methods E8 or E8M.NOTE 1Mechanical property data determined on other than roundcross sections, for sizes under 0.125 in., may be compromised and beinaccurate as a result of the stress ris
48、er effect on the corner.17. Test Methods17.1 Section 11 of Specification B249/B249M constitutes apart of this specification.17.2 Chemical AnalysisThe Chemical Composition sec-tion is amended to include in the group of chemical analysistechniques, Specification B194 Annex.17.3 Test methods to be foll
49、owed for the determination ofelement(s) resulting from contractural or purchase order agree-ment shall be agreed upon between the supplier and thepurchaser.18. Keywords18.1 beryllium copper bar; beryllium copper rod; copperberyllium bar; copper beryllium rod; UNS Alloy No. C17000;UNS Alloy No. C17200; UNS Alloy No. C17300SUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue(B196/B196M 03) that may impact the use of this standa
