1、Designation: B747 15Standard Specification forCopper-Zirconium Alloy Sheet and Strip1This standard is issued under the fixed designation B747; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in p
2、arentheses 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 for Cop-per Alloy UNS C15100 sheet and strip.1.2 UnitsValues stated in inch-pound units are to be
3、regarded as standard. The values given in parentheses aremathematical conversions to SI units, which are provided forinformation only and are not considered standard.2. Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB248 Specification for Gen
4、eral Requirements for WroughtCopper and Copper-Alloy Plate, Sheet, Strip, and RolledBarB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tensi
5、on Testing of Metallic Ma-terialsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of
6、Copper Alloys3. General Requirements3.1 The following sections of Specification B248 constitutea part of this specification:3.1.1 Terminology,3.1.2 Workmanship, Finish, and Appearance,3.1.3 Sampling,3.1.4 Number of Tests and Retests,3.1.5 Specimen Preparation,3.1.6 Significance of Numerical Limits,3
7、.1.7 Inspection,3.1.8 Rejection and Rehearing,3.1.9 Certification,3.1.10 Test Report,3.1.11 Packaging and Package Marking, and3.1.12 Supplementary Requirements.4. Terminology4.1 For definition of terms related to copper and copperalloys, refer to Terminology B846.5. Ordering Information5.1 Include t
8、he following specified choices when placingorders for product under this specification, as applicable:5.1.1 ASTM designation number and year of issue,5.1.2 Copper Alloy UNS No. designation,5.1.3 Temper,5.1.4 Dimensions (thickness, width, length, if applicable),5.1.5 How furnished (rolls, specific le
9、ngths with or withoutends, stock lengths with or without ends),5.1.6 Quantitytotal weight or total length or number ofpieces of each size,5.1.7 Type of edge, if required (slit, sheared, sawed, squarecorners, rounded corners, rounded edges, or full-roundededges),5.1.8 Type of width and straightness t
10、olerances, if required(slit metal tolerances, square sheared metal tolerances, sawedmetal tolerances, straightened or edge-rolled metal tolerances),and5.1.9 Intended application.5.2 The following options are available but may not beincluded unless specified at the time of placing of the orderwhen re
11、quired:5.2.1 Heat identification or traceability details,5.2.2 Certification,5.2.3 Test Report,5.2.4 If product specification number must be shown onpackage marking, and5.2.5 If product is purchased for agencies of the U.S.Government (See Supplemental Requirements section ofSpecification B248 for ad
12、ditional requirements).1This specification is under the jurisdiction ofASTM Committee B05 on Copperand CopperAlloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved Oct. 1, 2015. Published October 2015. Originallyapproved in 1985. Last previo
13、us edition approved in 2011 as B74711. DOI:10.1520/B0747-15.2For 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 States16. Materials and Manufacture6.1 Materials:6.1.1 The material of manufacture shall be a form (cast bar,cake, slab, etcetera
15、) of Copper Alloy UNS No. C15100 of suchpurity and soundness as to be suitable for processing into theproducts prescribed herein.6.1.2 When specified in the contract or purchase order, thatheat identification or traceability is required, the purchasershall specify the details desired.NOTE 1Due to th
16、e discontinuous nature of the processing of castingsinto wrought products, it is not always practical to identify a specificcasting analysis with a specific quantity of finished material.6.2 Manufacture:6.2.1 The product shall be manufactured by such hot-working, cold-working, and annealing processe
17、s as to producea uniform wrought structure in the finished product.6.2.2 The product shall be hot- or cold-worked to thefinished size, and subsequently annealed when required, tomeet the temper properties specified.6.3 Edges:6.3.1 Slit edges shall be furnished unless otherwise speci-fied in the cont
18、ract or purchase order.7. Chemical Composition7.1 The material shall conform to the chemical compositionrequirements 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 and analysis requi
19、red forunnamed elements.7.3 When all elements in Table 1 are determined, the sum ofthe results shall be 99.9 % min.8. Temper8.1 The standard tempers for products described in thisspecification are given in Table 2.8.1.1 Cold rolled tempers H01 to H08.8.1.2 Annealed temper OS015.9. Grain Size for Ann
20、ealed Temper9.1 Grain size shall be the standard requirement for allproduct in the annealed tempers.9.2 Acceptance or rejection based upon grain size shalldepend only on the average grain size of a test specimen takenfrom each of two sample portions, and each specimen shall bewithin the limits presc
21、ribed in Table 2 when determined inaccordance with Test Methods E112.10. Physical Property Requirements10.1 Electrical Resistivity Requirement:10.1.1 The product furnished shall conform to the electricalmass resistivity requirement prescribed in Table 3 when testedin accordance with Test Method B193
22、.11. Mechanical Property Requirements11.1 Tensile Strength Requirements:11.1.1 Product furnished under this specification shall con-form to the tensile requirements prescribed in Table 2, whentested in accordance with Test Methods E8/E8M.11.1.2 Acceptance or rejection based upon mechanicalproperties
23、 shall depend only on tensile strength.12. Dimensions, Mass, and Permissible Variation12.1 The dimensions and tolerances for product describedby this specification shall be as specified in Specification B248with particular reference to the following tables and relatedparagraphs as noted to Specifica
24、tion B747 in the table title:12.1.1 Thickness.12.1.2 Width:12.1.2.1 Slit Metal and Slit Metal with Rolled Edges.12.1.2.2 Square Sheared Metal.12.1.2.3 Sawed Metal.12.1.3 Length:12.1.3.1 Length Tolerance for Straight Lengths.12.1.3.2 Schedule for Minimum Lengths and MaximumWeights of Ends for Specifi
25、c Lengths with Ends, and StockLengths with Ends.12.1.3.3 Length Tolerance for Square Sheared Metal.12.1.3.4 Length Tolerance for Sawed Metal.12.1.4 Straightness:12.1.4.1 Slit Metal or Slit Metal Either Straightened orEdge Rolled.TABLE 1 Chemical RequirementsElementComposition, %Copper AlloyUNS No. C
26、15100Copper (including Ag) 99.80 % minZirconium 0.050.15Cu + sum of named elements 99.9 % minTABLE 2 Tensile Strength and Grain Size RequirementsTemper DesignationATensile Strength, ksiB(MPa)CGrain Size,mmDCode Name Min MaxOS015 annealed . . 0.030 maxH01 quarter hard 40 (275) 45 (310) .H02 half hard
27、 43 (295) 51 (350) .H03 three-quarterhard47 (325) 56 (385) .H04 hard 53 (365) 62 (425) .H06 extra hard 59 (405) 65 (450) .H08 spring 64 (440) 71 (490) .AStandard designations defined in Classification B601.Bksi = 1000 psi.CSee Appendix X1.DAlthough no minimum grain size is required, this material mu
28、st be fullyrecrystallized.TABLE 3 Electrical ResistivityTemperElectrical Resistivityat 20C (68F),max, g/m2EquivalentConductivityat 20C (68F),% IACS, minAnnealed (OS015) 0.16136 95Rolled (H01, H02, H03,H04, H06, H08)0.17031 90B747 15212.1.4.2 Square Sheared Metal.12.1.4.3 Sawed Metal.12.1.5 Edges Con
29、tours:12.1.5.1 Square Corners.12.1.5.2 Rounded Corners.12.1.5.3 Rounded Edges.12.1.5.4 Full-Rounded Edges.13. Workmanship, Finish, and Appearance13.1 The product shall be free of defects, but blemishes ofa nature that do not interfere with the intended application areacceptable. It shall be well-cle
30、aned and free of dirt. A super-ficial film of residual light lubricant is normally present and isacceptable unless otherwise specified.13.2 The surface finish and appearance shall be the normalcommercial quality for the alloy, thickness, and temper or-dered. When application information is provided
31、with thepurchase order, the surface shall be that commercially produc-ible for the application. Superficial films of discoloration, orlubricants, or tarnish inhibitors are permissible unless other-wise specified.14. Sampling14.1 SamplingThe lot size, portion size, and selection ofsample pieces shall
32、 be as follows:14.1.1 Lot SizeAn inspection lot shall be 40 000 lb(18 144 kg) or less, of the same mill form, alloy, temper, andnominal dimensions, subject to inspection at one time.14.1.2 Portion SizeThe portion shall be eight or morepieces selected as to be representative of each lot. Should thelo
33、t consist of less than eight pieces, representative samplesshall be taken from each piece.14.2 Chemical Analysis:14.2.1 The sample for chemical analysis shall be taken inaccordance with Practice E255 for product in its final formfrom the pieces selected in 14.1.2 and combined into onecomposite sampl
34、e. The minimum weight of the compositesample shall be 150 g.14.2.2 Instead of sampling as directed in 14.2.1, the manu-facturer shall have the option of sampling at the time castingsare poured or from the semifinished product. When samples aretaken during the course of manufacture, sampling of thefi
35、nished product by the manufacturer is not required. Thenumber of samples taken for the determination of compositionshall be as follows:14.2.2.1 When samples are taken at the time the castings arepoured, at least one sample shall be taken for each group ofcastings poured from the same source of molte
36、n metal.14.2.2.2 When samples are taken from semifinishedproduct, a sample shall be taken to represent each 10 000 lbs(5000 kg) or fraction thereof, except that not more than onesample shall be required per piece.14.2.2.3 Only one sample need be taken from the semifin-ished product of one cast bar f
37、rom a single melt chargecontinuously processed.14.3 Samples for all Other TestsSamples for all other testsshall be taken from the sample portions selected in 14.1.2 andbe of a convenient size to accommodate the test and complywith the requirements of the appropriate product specificationand test met
38、hod.15. Number of Tests and Retests15.1 Test:15.1.1 Chemical AnalysisChemical composition shall bedetermined in accordance with the element mean of the resultsfrom at least two replicate analyses of the sample(s).15.2 Other Tests:15.2.1 Mechanical Properties and Grain SizeUnless oth-erwise provided
39、in the product specification, test specimensshall be taken from two of the sample pieces selected inaccordance with 14.1.2. The required tests shall be made oneach of the specimens so selected.15.2.2 Electrical ResistivityResults shall be reported fromfour of the sample pieces selected in accordance
40、 with 14.1.2.The required tests shall be made on each of the specimens soselected.15.3 Retest:15.3.1 When requested by the manufacturer or supplier, aretest shall be permitted when results of tests obtained by thepurchaser fail to conform to the requirements of the productsspecification.15.3.2 The r
41、etest shall be as directed in the product speci-fication for the initial test, except the number of test specimensshall be twice that normally required for the specified test.15.3.3 All test specimens shall conform to the productsspecification requirement(s) in retest. Failure to conform shallbe cau
42、se for rejection.16. Specimen Preparation16.1 Grain SizeAll specimens shall be prepared as speci-fied in Guide E3.16.2 Mechanical TestsAll samples of strip less than34 in.wide shall be pulled in full size when practicable. Machinedtest specimens shall be as specified in Test Methods E8/E8M,Fig. 1 fo
43、r sheet type specimens.16.3 Chemical CompositionThe composite sample forlaboratory analysis shall, in case of disagreement, be preparedin accordance with Practice E255.17. Test Methods17.1 Chemical Analyses:17.1.1 In cases of disagreement, test methods for chemicalanalysis shall be subject to agreem
44、ent 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:Test MethodCopper E53Silver E47817.1.2 Test method(s) to be followed for the deter
45、minationof element(s) resulting from contractual or purchase orderagreement shall be as agreed upon between the manufacturer orsupplier and the purchaser.B747 15317.1.3 Since no recognized test method is known to bepublished, the determination of zirconium shall be subject tothe agreement between th
46、e manufacturer and purchaser.17.2 Other Tests:17.2.1 The product furnished shall conform to specifiedrequirements when subjected to test in accordance with thefollowing table:Test MethodGrain Size E112Electrical Resistivity B193Tensile Strength E8/E8M18. Significance of Numerical Limits18.1 For the
47、purpose of determining compliance with thespecified limits for requirements of the properties listed in thefollowing table and for dimensional tolerances, an observedvalue or a calculated value shall be rounded as indicated inaccordance with the rounding method of Practice E29:Property Rounded Unit
48、for Observed orCalculated ValueChemical Composition Nearest unit in the last right-handsignificant digit used in expressingthe limiting value.Tensile Strength Nearest ksi (5 MPa)Grain Size:Under 0.060 mm Nearest multiple of 0.005 mm0.060 mm and over Nearest 0.01 mm19. Inspection19.1 The manufacturer
49、, or supplier, shall inspect and maketests necessary to verify the furnished product conforms tospecification requirements.19.2 Source inspection of the product by the purchaser maybe agreed upon between the manufacturer, or supplier, and thepurchaser as part of the purchase order. In such case, the natureof the facilities needed to satisfy the inspector, representing thepurchaser, that the product is being furnished in accordancewith the specification, shall be included in the agreement. Alltesting and the inspection shall be conducted so as not tointerfere
