1、Designation: B747 11Standard 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 sheetand strip of Copper Alloy UNS C15100.1.2 UnitsValues stated in inch-pound units are to b
3、eregarded 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 Ge
4、neral Requirements for WroughtCopper and Copper-Alloy Plate, Sheet, Strip, and RolledBarB601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tens
5、ion Testing of MetallicMaterialsE53 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 ChemicalAnalysis of Co
6、pperAlloys3. 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,3.1.
7、7 Inspection,3.1.8 Rejection and Rehearing,3.1.9 Certification,3.1.10 Test Reports,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 the
8、 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 Quantity (of each size),5.1.3 Copper Alloy UNS No. designation (see 1.1),5.1.4 Form of material (sheet or strip),5.1.5 Temper (see 8.1),5.1.6 Dime
9、nsions (thickness, width, length, if applicable),5.1.7 How furnished (rolls, specific lengths with or withoutends, stock lengths with or without ends),5.1.8 Type of edge, if required (slit, sheared, sawed, squarecorners, rounded corners, rounded edges, or full-roundededges),5.1.9 Type of width and s
10、traightness tolerances, if required(slit metal tolerances, square sheared metal tolerances, sawedmetal tolerances, straightened or edge-rolled metal tolerances),and5.2 In addition, when material is purchased for the U.S.Government, it shall conform to the Supplemental require-ments as defined in Spe
11、cification B248 when specified in thecontract or purchase order.6. Material and Manufacture6.1 Material:6.1.1 The material of manufacture shall be a cast bar, slab,cake, billet, etc. of Copper Alloy UNS No. C15100 of suchpurity and soundness as to be suitable for processing in to theproducts prescri
12、bed herein.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, 2011. Published November 2011. Originallyapproved in 1985. Last previous edition
13、approved in 2007 as B747 07. DOI:10.1520/B0747-11.2For 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.1*A Summary
14、 of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.1.2 When specified in the contract or purchase order, thatheat identification or traceability is required, the purchasershall sp
15、ecify the details desired.NOTE 1Due to the 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 hotwork-
16、ing, cold-working, and annealing processes as to produce auniform 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 furnishe
17、d unless otherwise speci-fied in the contract or purchase order.7. Chemical Composition7.1 The material shall conform to the chemical compositionprescribed in Table 1.7.2 These composition limits do not preclude the presenceof other elements. By agreement between manufacturer andpurchaser, limits ma
18、y be established and analysis required forunnamed elements.7.3 When all elements listed in Table 1 are analyzed, thesum of results shall be 99.9 % minimum.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 Ann
19、ealed temper OS015.9. Grain Size for Annealed 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
20、specimen shall bewithin the limits prescribed in Table 2 when determined inaccordance with Test Method E112.10. Physical Property Requirements10.1 Electrical Resistivity Requirements:10.1.1 The product furnished shall conform to the electricalmass Resistivity requirements in Table 3 by temper whente
21、sted in accordance with Test Method B193.11. 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 Method E8/E8M.11.1.2 Acceptance and r
22、ejection based upon mechanicalproperties shall depend only on tensile strength.12. Dimensions, Mass, and Permissible Variations12.1 The following titled sections and tables in Specifica-tion B248 are a part of this specification:12.1.1 Thickness.12.1.2 WidthSlit metal and slit metal with rolled edge
23、s.12.1.3 Square Sheared Metal; Sawed Metal.12.1.4 Length:12.1.4.1 Length Tolerances for Specific and Stock LengthsWith and Without Ends.12.1.4.2 Schedule of Lengths (Specific and Stock) WithEnds.12.1.4.3 Length Tolerances for Square Sheared Metal.12.1.4.4 Length Tolerances for Sawed Metal.12.1.5 Str
24、aightness:12.1.5.1 Slit Metal or Slit Metal Either Straightness or EdgeRolled.12.1.5.2 Square Sheared Metal.12.1.5.3 Sawed Metal.12.1.6 Edges:12.1.6.1 Square Edges.12.1.6.2 Rounded Corners.12.1.6.3 Rounded Edges.12.1.6.4 Full Rounded Edges.13. Workmanship, Finish and Appearance13.1 The product shall
25、 be free of defects, but blemishes ofa nature that do not interfere with the intended application areTABLE 1 Chemical RequirementsElementComposition, %Copper AlloyUNS No. C15100Copper (including Ag) 99.80 % minZirconium 0.050.15Cu + sum of named elements 99.9 % minTABLE 2 Tensile Strength and Grain
26、Size RequirementsTemper DesignationATensile Strength, ksiB(MPa)CGrain Size,mmDStandard Former Min MaxOS015 annealed . . 0.030 maxH01 quarter hard 40 (275) 45 (310) .H02 half hard 43 (295) 51 (350) .H03 three-quarterhard47 (325) 56 (385) .H04 hard 53 (365) 62 (425) .H06 extra hard 59 (405) 65 (450) .
27、H08 spring 64 (440) 71 (490) .AStandard designations defined in Practice B601.Bksi = 1000 psi.CSee Appendix X1.DAlthough no minimum grain size is required, this material must be fullyrecrystallized.TABLE 3 Electrical ResistivityTemperElectrical Resistivityat 20C (68F),max, Vg/m2EquivalentConductivit
28、y at 20C(68F),% IACS, minAnnealed (OS015) 0.16136 95Rolled (H01, H02,H03, H04, H06,H08)0.17031 90B747 112acceptable. It shall be well-cleaned and free of dirt. A super-ficial film or residual light lubricant is normally present and isacceptable unless otherwise specified.13.2 The surface finish and
29、appearance shall be the normalcommercial quality for the alloy, thickness, and temper or-dered. When application information is provided with purchaseorder, the surface shall be that commercially producible for theapplication. Superficial films of discoloration, or lubricants, ortarnish inhibitors a
30、re permissible unless otherwise specified.14. Sampling14.1 SamplingThe lot size, portion size, and selection ofsample pieces shall be as follows:14.1.1 Lot SizeAn inspection lot shall be 40 000 lb (18144 kg) or less material of the same mill form, temper, andthickness, subject to inspection at one t
31、ime.14.1.2 Portion SizeA portion shall be selected from eightindividual pieces, and shall be taken so as to be representativeof those pieces. If the lot consists of less than eight pieces, asample shall be taken from each individual piece.14.2 Chemical AnalysisThe sample for chemical analysisshall b
32、e taken in accordance with Practice E255 for product inits final form taken from the pieces selected in 14.1.2 andcombined into one composite sample. The minimum weight ofthe composite sample shall be 150 g. Unless otherwise requiredby the purchaser, at the time the order is placed, the manufac-ture
33、r shall have the option of determining conformance tochemical composition by analyzing samples taken at the timethe castings are poured or samples taken from the semifinishedproduct if heat identity can be maintained throughout alloperations. If the manufacturer determines the chemical com-position
34、during manufacture, he shall not be required to sampleand analyze the finished product.14.2.1 When samples are taken at the time the castings arepoured, at least one sample shall be taken from each group ofcastings poured from the same source of molten metal.14.2.2 When samples are taken from semifi
35、nished product,a sample shall be taken to represent each 10 000 lbs (5 000 kg)or fraction thereof, except that no more than one sample shallbe required per piece.14.2.3 Only one sample need be taken from the semifin-ished product of one cast bar from a single melt chargecontinuously processed.14.3 S
36、amples for all Other TestsSamples for all other testsshall be taken from the sample portion in 14.1.2 and be of aconvenient size to accommodate the test and comply with therequirements of the appropriate ASTM product standard andtest method.15. Number of Tests and Retests15.1 Tests15.1.1 Chemical An
37、alysisChemical composition shall bedetermined in accordance with the element mean of the resultsfrom the sample taken at the time the castings are poured, atleast one sample shall be analyzed for each group of castingspoured simultaneously from the same source of molten metal.15.1.2 When samples are
38、 taken from the semifinished orfinished product, at least one sample representative of theproduct of each cast bar from a single melt charge continuouslyprocessed with heat identity maintained shall be analyzed.15.2 Other Tests:15.2.1 Mechanical Properties and Grain SizeUnless oth-erwise provided in
39、 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 w
40、ith 14.1.2.The required tests shall be made on each of the specimens soselected.15.3 Retests:15.3.1 If the chemical analysis of the specimens preparedfrom samples selected in accordance with 14.1.2 fails toconform to the specified limits, analysis shall be made on anew composite sample prepared from
41、 the pieces selected inaccordance with 14.1.2.15.3.1.1 Chemical Analysis, shall be determined as theaverage of at least two replicate determinations for eachelement specified.15.3.2 If one of the two tests made to determine any of themechanical or grain size requirements fails to meet a specifiedlim
42、it, this test shall be repeated on the remaining pieces,maximum of two, selected in accordance with 14.1.2, and theresults of both of these tests shall comply with the specifiedrequirements.15.3.3 If any test specimen shows defective machining ordevelops flaws, it may be discarded and another specim
43、ensubstituted.16. Specimen Preparation16.1 Grain SizeAll specimens shall be prepared as speci-fied in Method 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 Method E8/E8M,Fig. 1 for s
44、heet 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 The properties and chemical compositions enumeratedin the specifications shall, in case of disagreement, be deter-
45、mined in accordance with the following ASTM test methods:Test ASTM DesignationCopper E53Silver E478Tensile Strength E8/E8MGrain Size E3,E112Electrical Resistivity B19317.1.1 The test method(s) used for determination of ele-ment(s) required by contractual or purchase order agreementshall be as agreed
46、 upon between the manufacturer and thepurchaser.17.1.2 Since no recognized test method is known to bepublished, the determination of zirconium shall be subject tothe agreement between the manufacturer and purchaser.B747 11318. Significance of Numerical Limits18.1 For the purpose of determining compl
47、iance with thespecified property limits for requirements of the propertieslisted in the following table, and for dimensional tolerances, anobserved value of a calculated value shall be rounded asindicated in accordance with the rounding method of PracticeE29:Property Rounded Unit for Observedor Calc
48、ulated ValueChemical composition nearest unit in the last right-hand placeof figures of the specified limits.HardnessTensile strength nearest ksi (nearest 5 MPa)Grain size:Up to 0.055 mm, incl nearest multiple of 0.005 mmOver 0.055 to 0.160 mm, incl nearest 0.01 mmElongation:5 % and over nearest 1 %
49、19. Inspection19.1 The manufacturer, or supplier, shall inspect and maketest necessary to verify the furnished product conforms tospecification requirements.19.2 Source inspection of the product by the purchaser maybe agreed upon by 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 con
