ASTM B888-2009 Standard Specification for Copper Alloy Strip for Use in Manufacture of Electrical Connectors or Spring Contacts.pdf

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1、Designation: B888 09Standard Specification forCopper Alloy Strip for Use in Manufacture of ElectricalConnectors or Spring Contacts1This standard is issued under the fixed designation B888; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revi

2、sion, 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.1. Scope*1.1 This specification establishes the requirements for cop-per alloy strip for use in the manufacture

3、of electrical connec-tors or spring contacts produced from one of the followingCopper Alloy UNS Nos.2: C14530, C15100, C15500, C17000,C17200, C17410, C17450, C17460, C17500, C17510,C19002, C19010, C19015, C19025, C19210, C19400,C19500, C19700, C23000, C26000, C40810, C40850,C40860, C42200, C42500, C

4、42520, C42600, C50580,C50780, C51000, C51080, C51100, C51180, C51980, C52100,C52180, C52480, C63800, C64725, C65400, C68800,C70250, C70260, C70265, C70310, C75200, and C76200.1.2 The requirements for the other copper alloys such ascopper-nickel-tin spinodal, UNS C72650, C72700, andC72900, shall be a

5、s prescribed in the current edition ofSpecification B740.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalue

6、s from the two systems may result in non-conformancewith the standard.2. Referenced Documents2.1 ASTM Standards:3B193 Test Method for Resistivity of Electrical ConductorMaterialsB248 Specification for General Requirements for WroughtCopper and Copper-Alloy Plate, Sheet, Strip, and RolledBarB248M Spe

7、cification for General Requirements forWrought Copper and Copper-Alloy Plate, Sheet, Strip, andRolled Bar (Metric)B601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB740 Specification for Copper-Nickel-Tin Spinodal AlloyStripB820 Test Method for Bend Test for Dete

8、rmining theFormability of Copper and Copper Alloy StripB846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Materi-als Metric4E54 Test Methods for ChemicalAnalysis of Special Brassesand Bronzes4E62 Test

9、 Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)E75 Test Methods for Chemical Analysis of Copper-Nickeland Copper-Nickel-Zinc AlloysE478 Test Methods for ChemicalAnalysis of CopperAlloysE527 Practice for Numbering Metals and Alloys in theUnified Numbering System (UNS)2

10、.2 ISO Standards:ISO 4744 Copper and Copper AlloysDetermination ofChromium ContentFlame Atomic Absorption Spectro-metric Method5ISO 7602 Copper and Copper AlloysDetermination ofTellurium Content53. Terminology3.1 DefinitionsFor definition of terms used in this speci-fication, refer to Terminology B8

11、46.1This specification is under the jurisdiction of Committee B05 on Copper andCopper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,Sheet, and Strip.Current edition approved Oct. 1, 2009. Published November 2009. Originallyapproved in 1998. Last previous edition approved in

12、 2008 as B888 08. DOI:10.1520/B0888-09.2The 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.” The suffix can be used to accommodatecomposition variations of the bas

13、e 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 onthe ASTM website.4Withdrawn. The last approved version of this histori

14、cal standard is referencedon www.astm.org.5Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700

15、, West Conshohocken, PA 19428-2959, United States.4. General Requirements4.1 For product furnished under this specification in Englishunits, the following sections of Specification B248 mustconstitute a part of this specification. For product furnishedunder this specification in the SI units, the fo

16、llowing sectionsof Specification B248M must constitute a part of this specifi-cation.4.1.1 Terminology,4.1.2 Materials and Manufacture,4.1.3 Dimensions, Weights, and Permissible Variations,4.1.4 Workmanship, Finish, and Appearance,4.1.5 Sampling,4.1.6 Number of Tests and Retests,4.1.7 Specimen Prepa

17、ration,4.1.8 Test Methods,4.1.9 Significance of Numerical Limits,4.1.10 Certification,4.1.11 Test Reports, and4.1.12 Packaging and Package Marking.4.2 In the event of a conflict between this specification andSpecification B248 or B248M, the requirements of this speci-fication shall take precedence.5

18、. Classification5.1 Product produced to this specification is classified asstrip material to be used for spring contact or electrical andelectronic connector applications only.6. Ordering Information6.1 Contract or purchase orders for product under thisspecification should include the following info

19、rmation:6.1.1 ASTM designation and year of issue,6.1.2 UNS alloy designation,6.1.3 Dimensions, for example, thickness, width,6.1.4 Quantity, and6.1.5 Temper (Section 8).6.2 The following options are available under this specifi-cation and shall be specified in the contract or purchase orderwhen requ

20、ired:6.2.1 Type of edge: slit, sheared, sawed, square corners,rounded corners, rounded edges, or full-rounded edges (Sec-tion 11),6.2.2 Width and straightness tolerances, slit-metal toler-ances, square-sheared metal tolerances, sawed metal toler-ances, straightened or edge-rolled metal tolerances (S

21、ection11),6.2.3 Identification marking (Section 22),6.2.4 Certification (Section 20),6.2.5 Mill test report (Section 21), and6.2.6 How packaged: coil wound in traverse or pancakestyle (Section 22).6.2.6.1 Number of strip lengths per coil,6.2.6.2 Size and weight of each coil, and6.2.7 The electrical

22、resistivity or any other physical andelectrical properties (See Table X1.1).7. Materials and Manufacture7.1 MaterialThe material of manufacture shall be a castbar, slab, cake, billet, or other form of the composition given inTable 1 for the specified alloy, suitable for processing into theproduct pr

23、escribed in this specification.7.2 ManufactureThe product shall be produced by eitherhot- or cold-working operation. It shall be finished, unlessotherwise specified, by such hot working, cold working,annealing, or heat treatment as may be necessary to meet theproperties specified in Table 2.7.3 Edge

24、sThe edges shall be slit or rolled edges asspecified by the buyer. Slit edges shall be furnished unlessotherwise specified or agreed upon between the purchaser andsupplier or manufacturer.8. Chemical Composition8.1 The materials shall conform to the chemical composi-tional requirements in Table 1 fo

25、r the corresponding CopperAlloy UNS Number designation specified in the orderinginformation.8.2 These composition limits do not preclude the presenceof other elements. Limits for unnamed elements may beestablished and analysis required by agreement between manu-facturer or supplier and purchaser whe

26、n required.8.3 Copper, when given as the remainder, is determined asthe difference between the sum of results for all elementsdetermined and 100 %.8.4 Zinc, when given as the remainder, is determined as thedifference between the sum of results for all elements deter-mined and 100 %.8.4.1 For those c

27、opper alloys in which zinc is given as theremainder, copper may be determined by difference; however,when so determined, the result shall conform to the limitsprescribed in Table 1.8.5 When a chemical analysis is performed as specified inthe ordering information, for the Copper Alloy UNS No. inTable

28、 1, copper plus the sum of the named elements shall be asspecified in the appropriate table footnote.9. Temper9.1 Tempers, as defined in Classification B601, availableunder this specification are as follows:Temper Designation5Standard FormerO61 annealedH0114 hardH0212 hardH0334 hardH04 hardH06 extra

29、 hardH08 springH10 extra springTM00 AMTM0114 HMTM0212 HMTM0334 HMTM04 HMTM05 SHMTM06 XHMTM08 XHMSB888 092TABLE 1 Chemical RequirementsElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBeryll-ium Cobalt Iron LeadMagnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverT

30、ellur-ium OtherC14530 99.90Amin0.0010.0100.0030.0230.0030.023C15100B99.80Cmin0.050.15C15500 99.75Cmin0.080.130.0400.0800.0270.10C17000DremainderC0.20max1.601.790.20Emin0.20maxC17200DremainderC0.20max1.802.000.20Emin0.20maxC17410DremainderC0.20max0.150.500.350.60.20max0.20maxC17450DremainderC0.20max0

31、.150.500.20max0.501.00.25max0.50 %max0.20maxC17460DremainderC0.20max0.150.500.20max1.01.40.25max0.50 %max0.20maxC17500DremainderC0.20max0.40.72.42.70.10max0.20maxC17510DremainderC0.20max0.20.60.3max0.10max1.42.20.20maxC19002DremainderC0.10 0.05 0.01 1.41.7F0.05 0.020.30 0.040.35 0.0050.050.200.350.0

32、20.50C19010DremainderC0.81.80.010.050.150.35C19015GremainderC0.020.15 0.502.4 0.020.20 0.10.40C19025HremainderC0.10max0.81.20.030.070.71.10.20maxC19210Gremainder 0.050.150.0250.04C19400G97.0 min 2.12.60.03max0.0150.150.050.20C19500G96.0 min 0.02max0.301.31.02.00.02max0.010.350.101.00.20maxC19700Grem

33、ainder 0.05max0.301.20.05max0.010.200.05max0.05max0.100.400.20max0.20maxC23000G84.0-86.0 0.05max0.05maxremainderC26000H68.5-71.5 0.05max0.07maxremainderC40810H94.5-96.5 0.080.120.05max0.110.200.0280.041.82.2remainderB888093TABLE 1 ContinuedElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBer

34、yll-ium Cobalt Iron LeadMagnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverTellur-ium OtherC40850H94.5-96.5 0.050.200.05max0.050.200.010.202.64.0remainderC40860H94.0-96.0 0.010.050.05max0.050.200.020.041.72.3remainderC42200H86.0-89.0 0.05max0.05max0.35max0.81.4remainder

35、C42500H87.0-90.0 0.05max0.05max0.35max1.53.0remainderC42520H88.0-91.0 0.050.200.05max0.050.200.010.201.53.0remainderC42600H87.0-90.0C0.050.200.05max0.050.20F0.010.202.54.0remainderC50580Dremainder 0.050.200.05max0.050.200.010.351.01.70.30maxC50780Dremainder 0.050.200.05max0.050.200.010.351.72.30.30m

36、axC51000Dremainder 0.10max0.05max0.030.354.25.80.30maxC51080Dremainder 0.050.200.05max0.050.200.010.354.85.80.30maxC51100Dremainder 0.10max0.05max0.030.353.54.90.30maxC51180Dremainder 0.050.200.05max0.050.200.010.353.54.90.30maxC51980Dremainder 0.050.200.05max0.050.200.010.355.57.00.30maxC52100Drema

37、inder 0.10max0.05max0.030.357.09.00.20maxC52180Dremainder 0.050.200.05max0.050.200.010.357.09.00.30maxC52480Dremainder 0.050.200.05max0.050.200.010.359.011.00.30maxC63800DremainderC2.5-3.10.250.550.20max0.05max0.10max0.20max0.8max1.52.1C64725D95.0 minC0.25 0.01 0.20 1.32.7F0.200.8 0.501.5 0.09 0.200

38、.80.01CalciumC65400DremainderC0.05max1.21.90.50max0.010.122.73.4C68800DremainderC3.0-3.8I0.250.550.20max0.05max21.324.1IC70250DremainderC0.20max0.05max0.050.300.10max2.24.2F1.0max0.251.2C70260DremainderC1.03.0F0.010max0.200.7C70265DremainderC0.05max1.03.0F0.01max0.050.80.30max0.200.7B888094TABLE 1 C

39、ontinuedElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBeryll-ium Cobalt Iron LeadMagnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverTellur-ium OtherC70310DremainderC0.10 0.05 0.01 1.04.0F0.05 1.0 2.0 0.0050.050.081.00.020.50C75200D63.0-66.5C0.25max0.05max0.50

40、max16.519.5FremainderC76200D57.0-61.0C0.25max0.09max0.50max11.013.5FremainderAIncludes silver + tin + tellurium + selenium.BCopper + the sum of the named elements shall be 99.9 % min.CCopper value includes silver.DCopper + the sum of the named elements shall be 99.5 % min.ENickel + cobalt, 0.20 % mi

41、n; nickel + iron +cobalt, 0.6 % max.FIncludes cobalt.GCopper + the sum of the named elements shall be 99.8 % min.HCopper + the sum of the named elements shall be 99.7 % min.IAluminum + zinc = 25.127.1.B888095TABLE 2 Mechanical RequirementsTemper Designation Tensile Strength, ksi Tensile Strength, MP

42、aYield Strength(0.2 % Offset), ksiYield Strength(0.2 % Offset),MPaElongation, %Standard Former min max min max min min minCopper Alloy UNS NO. C14530H0114 hard 35 45 240 310 26 180 7H0212 hard 40 50 275 345 33 230 5H0334 hard 44 54 305 370 39 270 3H04 hard 47 57 325 395 43 295 2H06 extra hard 50 60

43、345 415 47 325 1H08 spring 54 64 370 440 51 350 1H10 extra spring 58 . . . 400 . . . 56 385 . . .Copper Alloy UNS NO. C15100O61 annealed 37 42 255 290 9 60 35H0114 hard 40 45 275 310 26 180 11H0212 hard 43 51 295 350 35 240 3H0334 hard 47 56 325 385 45 310 1H04 hard 53 62 365 425 51 350 1H06 extra h

44、ard 59 65 405 450 57 395 1H08 spring 64 71 440 490 62 425 1Copper Alloy UNS NO. C15500O61 annealed 34 43 235 295 15 105 30H0212 hard 45 55 310 380 38 260 13H04 hard 56 64 385 440 50 345 6H06 extra hard 63 72 435 495 56 385 5H08 spring 65 73 450 505 60 415 4H10 extra spring 68 75 470 515 63 435 3Copp

45、er Alloy UNS NO. C17000TB00 A 60 78 410 540 30 210 35TD0114 H 75 88 520 610 60 415 15TD0212 H 85 100 590 690 75 520 9TD04 H 100 130 690 900 90 620 2TF00 AT 150 180 1030 1240 130 900 3TH0114 HT 160 190 1100 1310 135 930 2.5TH0212 HT 170 200 1170 1380 145 1000 1TH04 HT 180 210 1240 1450 155 1070 1AM T

46、M00 100 110 690 760 70 480 1814 HM TM01 110 120 760 830 80 550 1512 HM TM02 120 135 830 930 95 660 12HM TM04 135 150 930 1030 110 760 9SHM TM05 150 160 1030 1100 125 860 9XHM TM06 155 175 1070 1210 135 930 3Copper Alloy UNS NO. C17200TB00 A 60 78 410 540 30 210 35TD0114 H 75 88 520 610 60 415 20TD02

47、12 H 85 100 590 690 75 520 12TD04 H 100 130 690 900 90 620 2TF00 AT 165 195 1140 1340 140 970 4TH0114 HT 175 205 1210 1410 150 1030 3TH0212 HT 185 215 1280 1480 160 1100 2TH04 HT 190 220 1310 1520 165 1140 1AM TM00 100 110 690 760 70 480 1614 HM TM01 110 120 760 830 80 550 1512 HM TM02 120 135 830 9

48、30 95 660 12HM TM04 135 150 930 1030 110 760 9SHM TM05 150 160 1030 1100 125 860 9XHM TM06 155 175 1070 1210 135 930 4XHMS TM08 175 190 1210 1310 150 1030 3Copper Alloy UNS NO. C17410TH0212 HT 95 115 665 790 80 550 10TH04 HT 110 130 760 895 100 690 7Copper Alloy UNS NO. C17450TH0212 HT 95 115 655 79

49、0 80 550 12Copper Alloy UNS NO. C17460TH0334 HT 115 135 790 930 95 655 11TH04 HT 120 140 825 965 105 720 10B888 096TABLE 2 ContinuedTemper Designation Tensile Strength, ksi Tensile Strength, MPaYield Strength(0.2 % Offset), ksiYield Strength(0.2 % Offset),MPaElongation, %Standard Former min max min max min min minCopper Alloy UNS NO. C17500TB00 A 35 55 240 380 25 170 20TD04 H 70 85 480 585 55 380 3TF00 AT 100 120

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