1、Designation: B569 14Standard Specification forBrass Strip in Narrow Widths and Light Gage for Heat-Exchanger Tubing1This standard is issued under the fixed designation B569; 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. Scope*1.1 This specification establishes the requirements for brassstrip in narrow widths and light gages produced from Copp
3、erAlloys Nos. C23000, C26000, and C26130.2NOTE 1This product is commonly used for the manufacture ofthin-wall tubes for water passages in heat exchangers for internalcombustion engines and other closed system heat sources.1.2 UnitsThe values stated in inch-pound units are to beregarded as standard.
4、The values given in parentheses aremathematical conversions to SI units, which are provided forinformation only and are not considered standard.1.2.1 ExceptionGrain size and chemical analysis sam-pling are stated in SI units.2. Referenced Documents2.1 ASTM Standards:3B601 Classification for Temper D
5、esignations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB950 Guide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tension Testing of Metalli
6、c Ma-terialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE62 Test Methods for Chemical Analysis of Copper andCopperAlloys (Photometric Methods) (Withdrawn 2010)4E112 Test Methods for Determining Average Grain SizeE255 Practice for Sampling Copper
7、and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper AlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)3. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology
8、B846.4. Ordering Information4.1 Include the following specified choices when placingorders for products under this specification, as applicable:4.1.1 ASTM designation and year of issue (for example,B569XX),4.1.2 Copper Alloy UNS No. designation (for example,C26000),4.1.3 Temper (Section 7),4.1.4 Dim
9、ensions: thickness, width, length (Section 10), and4.1.5 Quantity: total weight each form, temper, and size.4.2 The following options are available but may not beincluded unless specified at the time of placing of the orderwhen required:4.2.1 Heat identification or traceability details,4.2.2 Certifi
10、cation, and4.2.3 Mill test report.5. Materials and Manufacture5.1 Material:5.1.1 The material of manufacture shall be a form (cast bar,cake, or slab) of Copper Alloy UNS No. C23000, C26000, orC26130 of such purity and soundness as to be suitable forprocessing into the products prescribed herein.5.1.
11、2 When specified in the contract or purchase order, thatheat identification or traceability is required, the purchasershall specify the details desired.NOTE 2Due to the discontinuous nature of the processing of castingsinto wrought products, it is not always practical to identify a specificcasting a
12、nalysis with a specific quantity of finished material.5.2 Manufacture: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 Sept. 1, 2014. Published Novem
13、ber 2014. Originallyapproved in 1972. Last previous edition approved in 2009 as B569 09. DOI:10.1520/B0569-14.2The UNS system for copper and copper alloys (see Practice E527) is a simpleexpansion of the former standard designation system accomplished by the additionof a prefix “C” and a suffix “00.”
14、 The suffix can be used to accommodatecomposition variations of the base alloy.3For 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 o
15、nthe ASTM website.4The last approved version of this historical standard is referenced 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 States15.2.1 The product w
16、idth shall be no greater than 3 in. (76.2mm), and thickness shall be less than 0.0181 in. (0.460 mm).5.2.2 The product shall be manufactured by such hot-working, cold-working, and annealing processes as to producea uniform wrought structure in the finished product.5.2.2.1 The product shall be hot- o
17、r cold-worked to thefinished size, and subsequently annealed, when required, tomeet the temper properties specified.5.2.3 Edges:5.2.3.1 Slit edges shall be furnished.6. Chemical Composition6.1 The material shall conform to the chemical composi-tional requirements in Table 1 for Copper Alloy UNS No.d
18、esignation specified in the ordering information.6.1.1 These composition limits do not preclude the presenceof other elements. By agreement between the manufacturer andpurchaser, limits may be established and analysis required forunnamed elements.6.2 For alloys in which zinc is listed as “remainder,
19、” copperor zinc is taken as the difference between the sum results of allelements determined and 100 %.6.3 When all elements listed in Table 1 are determined forC26000 and C26130 the sum of results shall be 99.7 % min andfor C23000 the sum of results shall be 99.8 % min.7. Temper7.1 The standard tem
20、pers for products described in thisspecification are given in Table 2 and Table 3 as defined inClassification B601.7.1.1 Cold rolled tempers H01 or H02.7.1.2 Annealed-to-temper O81 or O82.NOTE 3The purchaser should confer with the manufacturer orsupplier for the availability of product in a specific
21、 temper.8. Grain Size of Annealed Tempers8.1 Annealed-to-Temper (O81 and O82) strip shall have anaverage grain size of 0.015 mm maximum as determined byTest Methods E112.9. Mechanical Property Requirement9.1 Tensile Strength Requirement:9.1.1 Product furnished to this specification shall conformto t
22、he tensile strength requirements prescribed in Tables 2 and3 for the temper and alloy specified in the ordering informationwhen tested in accordance with Test Methods E8/E8M.9.2 Yield Strength Requirement:9.2.1 Product furnished to this specification shall be capableof conforming to the yield streng
23、th requirements prescribed inTables 2 and 3 for the temper and alloy specified in theordering information when tested in accordance with TestMethods E8/E8M. The purchaser must specify at the time ofordering which yield strength method shall be used.9.3 Elongation Test Requirement:9.3.1 Product furni
24、shed to this specification shall conformto the elongation requirements prescribed in Tables 2 and 3 forthe temper and alloy specified in the ordering informationwhen tested in accordance with Test Methods E8/E8M.9.4 Acceptance or rejection based upon mechanical proper-ties shall depend only on tensi
25、le strength and elongation.10. Dimensions, Mass, and Permissible Variations10.1 Unless closer tolerances are specified in the contract orpurchase order, the product furnished shall conform to thefollowing thickness and width tolerances:10.1.1 Thickness TolerancesTable 4.10.1.2 Width TolerancesTable
26、5.10.2 Straightness TolerancesThe maximum edgewise cur-vature (depth of arc) in any 72-in. (1829-mm) continuouslength shall not exceed18 in. (3.175 mm).11. Workmanship, Finish, and Appearance11.1 The strip shall be free of defects, but blemishes of anature that do not interfere with normal commercia
27、l operationsare acceptable. It shall be well-cleaned and free of dirt. Asuperficial film of residual light lubricant may be present and isacceptable unless otherwise specified.11.2 The surface finish and appearance shall be the normalcommercial quality for the alloy, thickness, and temper or-dered.
28、When application information is provided 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.12. Sampling12.1 The lot size, portion size, an
29、d selection of samplepieces shall be as follows:12.1.1 Lot SizeAn inspection lot shall be 10 000 lb (4536kg) or less of material of the same mill form, alloy, temper, andnominal dimensions, subject to inspection at one time or shallbe the product of one cast bar from a single melt charge, whoseweigh
30、t shall not exceed 25 000 lb (11 340 kg), that has beenprocessed continuously and subject to inspection at one time.12.1.2 Portion SizeA portion shall be two representativesamples taken from the product of one cast bar that has beencontinually processed to the finished temper and dimensions.12.2 Che
31、mical AnalysisThe sample for chemical analysisshall be taken in accordance with Practice E255 for product inits final form. Unless otherwise required by the purchaser, atthe time the order is placed the manufacturer shall have theoption of determining conformance to chemical compositionby analyzing
32、samples taken at the time the castings are pouredTABLE 1 Chemical RequirementsCopperAlloy UNSNo.Composition, %CopperLead,maxIron,maxArsenic ZincC23000 84.086.0A0.05 0.05 . . . RemainderC26000 68.571.5B0.07 0.05 . . . RemainderC26130 68.571.5B0.05 0.05 0.020.08 RemainderACu + Sum of Named Elements =
33、99.8 %.BCu + Sum of Named Elements = 99.7 %.B569 142or samples taken from the semifinished product if heat identitycan be maintained throughout all operations. If the manufac-turer determines the chemical composition duringmanufacture, he shall not be required to sample and analyze thefinished produ
34、ct. The minimum weight of the compositesample in accordance with Practice E255 shall be 150 g.12.3 Samples forAll Other TestsSamples for all other testsshall be taken from the sample portion in 12.1.2 and be of aconvenient size to accommodate the test and comply with therequirements of the appropria
35、te ASTM product standards andtest methods.13. Number of Tests and Retests13.1 Tests:13.1.1 Chemical AnalysisChemical composition shall bedetermined as per the element mean of the results from at leasttwo replicate analyses of the sample(s).13.1.2 Other Tests:13.1.2.1 Grain SizeThe average grain size
36、 of two speci-mens shall be the arithmetic average of at least threedeterminations, each in a different field and the test results foreach specimen shall be reported.13.1.2.2 Tensile Strength and Elongation shall be reportedfrom specimens prepared from one of the two pieces selectedin 12.1.2. The sp
37、ecimen must meet the requirements of theproduct specification.13.2 Retests:13.2.1 When requested by the manufacturer or supplier, aretest shall be permitted when results of tests obtained by thepurchaser or supplier fail to conform to the requirements of theproduct specification.13.2.2 The retest sh
38、all be as directed in the product speci-fication for the initial test except that the number of testspecimens shall be twice that normally required for thespecified test.13.2.3 Test results for all specimens shall conform to theproduct specification requirements in retest. Failure to conformshall be
39、 cause for rejection.14. Specimen Preparation14.1 Chemical AnalysisThe analytical specimen prepara-tion shall be the responsibility of the reporting laboratory.14.2 Grain SizeThe test specimen shall be prepared inaccordance with Practice E3.14.3 Tensile TestThe test specimen shall conform to therequ
40、irements prescribed for the specific product described inthe Test Specimen section of Test Methods E8/E8M. The testspecimen shall be taken so that the longitudinal axis is parallelto the direction of rolling.15. Test Methods15.1 Chemical Analysis:15.1.1 In case of disagreement, test methods for chem
41、icalanalysis shall be subject to agreement between the manufac-turer or supplier and the purchaser. The following table is a listTABLE 2 Tensile Strength, Yield Strength, and Elongation Requirements for Rolled-to-Temper MaterialCopper AlloyUNS No.Tensile Strength, ksi (MPaA) Yield Strength, ksi (MPa
42、A) % ElongationTemperDesignationCodeAt 0.5 %Extension Under LoadAt 0.2 % OffsetIn2in.(50 mm)Name Minimum Maximum Minimum Maximum Minimum Maximum MinimumC23000 H0114 Hard 44 (305) 54 (370) 25 (170) 48 (330) 23 (160) 48 (330) 18C26000 and C26130 H0114 Hard 49 (340) 59 (405) 33 (230) 48 (330) 30 (205)
43、45 (205) 12C26000 and C26130 H0212 Hard 58 (400) 68 (470) 43 (295) 58 (400) 40 (275) 55 (380) 10ASee Appendix X1.TABLE 3 Tensile Strength, Yield Strength, and Elongation Requirements for Annealed-to-Temper MaterialCopper AlloyUNS No.Tensile Strength, ksi (MPaA) Yield Strength, ksi (MPaA) % Elongatio
44、nTemperDesignationCodeAt 0.5 %Extension Under LoadAt 0.2 % OffsetIn2in.(50 mm)Minimum Maximum Minimum Maximum Minimum Maximum MinimumC23000 O81 42 (210) 52 (360) 21 (145) 36 (250) 20 (140) 35 (240) 34C26000 and C26130 O82 60 (415) 70 (485) 35 (240) 50 (345) 34 (235) 49 (340) 25ASee Appendix X1.TABLE
45、 4 Thickness TolerancesThickness, in. (mm)Thickness Tolerance, in. (mm),A,B3 in. (7.62 mm) and Under in Width0.006 (0.152) and under 0.0003 (0.008)Over 0.006 to 0.009 (0.152 to 0.229) 0.0004 (0.010)Over 0.009 to 0.018 (0.229 to 0.457) 0.0005 (0.013)AWhen tolerances are specified as all plus or minus
46、, double the values shown.BSome applications may require a closer tolerance control within any one coileven though the overall tolerance between coils or shipments can be to thetolerance shown. Such special tolerance requirements shall be negotiated be-tween the manufacturer or supplier and the purc
47、haser at the time the order isplaced.TABLE 5 Width Tolerances for Slit MetalWidth, in. (mm)Width Tolerances, in. (mm),A,Bfor Thicknesses 0.018 in. (0.457mm) and Under1.750 (44.45) and under 0.003 (0.08)Over 1.750 to 3 (44.5 to 76.2) 0.005 (0.13)AWhen tolerances are specified as all plus or minus, do
48、uble the values shown.BSome applications may require a closer tolerance control within any one coileven though the overall tolerance between coils or shipments can be to thetolerance shown. Such special tolerance requirements shall be negotiated be-tween the manufacturer or supplier and the purchase
49、r at the time the order isplaced.B569 143of published test methods, some of which may be no longerviable, that may be considered for use:Element Test MethodCopper E478Iron E478Lead E478 (AA)Zinc E478 (Titrimetric)Arsenic E6215.1.2 Test method(s) to be followed for the determinationof element(s) resulting from contractual or purchase orderagreement shall be as agreed upon between the manufacturer orsupplier and purchaser.15.2 Other Tests:15.2.1 The product furnished shall conform to specifiedrequirements when subjected to test in accordance with thefo
