1、Designation: B888 10 B888 12Standard 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
2、 of revision, 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 copper alloy strip for use in the manuf
3、acture of electrical connectors orspring contacts produced from one of the following Copper 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, C
4、42500, C42520, C42600, C50580, C50780, C51000, C51080, C51100, C51180,C51980, C52100, C52180, C52480, C63800, C64725, C65400, C68800, C70250, C70260, C70265, C70310, C75200, andC76200.1.2 The requirements for the other copper alloys such as copper-nickel-tin spinodal, UNS C72650, C72700, and C72900,
5、 shallbe as prescribed in the current edition of Specification B740.1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in eachsystem may not be exact equivalents; therefore, each system shall be used independently of the other. C
6、ombining values from thetwo systems may result in non-conformance with the standard.2. Referenced Documents2.1 ASTM Standards:3B193 Test Method for Resistivity of Electrical Conductor MaterialsB248 Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Ro
7、lled BarB248M Specification for General Requirements for Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled Bar(Metric)B601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB740 Specification for Copper-Nickel-Tin Spinodal Alloy StripB820 Test Method fo
8、r Bend Test for Determining the Formability 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Methods for Tension Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Materials Metric (Withdrawn 2008)4E54 Test Methods for Chemical Analysis
9、of Special Brasses and Bronzes (Withdrawn 2002)4E62 Test Methods for Chemical Analysis of Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)4E75 Test Methods for Chemical Analysis of Copper-Nickel and Copper-Nickel-Zinc Alloys (Withdrawn 2010)4E478 Test Methods for Chemical Analysis of
10、Copper AlloysE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)2.2 ISO Standards:ISO 4744 Copper and Copper AlloysDetermination of Chromium ContentFlame Atomic Absorption SpectrometricMethod51 This specification is under the jurisdiction of Committee B05 on Copper an
11、d Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate, Sheet, andStrip.Current edition approved April 1, 2010Oct. 1, 2012. Published May 2010November 2012. Originally approved in 1998. Last previous edition approved in 20092010 asB888 09.B888 10. DOI: 10.1520/B0888-10.10.1
12、520/B0888-12.2 The UNS system for copper and copper alloys (see Practice E527) is a simple expansion of the former standard designation system accomplished by the addition of aprefix “c” and a suffix “00.” The suffix can be used to accommodate composition variations of the base alloy.3 For reference
13、d ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.4 The last approved version of this historical standard is referenced on
14、www.astm.org.5 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previou
15、s version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Change
16、s section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1ISO 7602 Copper and Copper AlloysDetermination of Tellurium Content53. Terminology3.1 DefinitionsFor definition of terms used in this specifi
17、cation, refer to Terminology B846.4. General Requirements4.1 For product furnished under this specification in English units, the following sections of Specification B248 must constitutea part of this specification. For product furnished under this specification in the SI units, the following sectio
18、ns of SpecificationB248M must constitute a part of this specification.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 Preparation,4.1.8 Te
19、st 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 and Specification B248 or B248M, the requirements of this specificationshall take precedence.5. Classification
20、5.1 Product produced to this specification is classified as strip material to be used for spring contact or electrical and electronicconnector applications only.6. Ordering Information6.1 Contract or purchase orders for product under this specification should include the following information:6.1.1
21、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 specification and shall be specified in the contract or purchase order whenrequired:6.2.1 Type
22、 of edge: slit, sheared, sawed, square corners, rounded corners, rounded edges, or full-rounded edges (Section 11),6.2.2 Width and straightness tolerances, slit-metal tolerances, square-sheared metal tolerances, sawed metal tolerances,straightened or edge-rolled metal tolerances (Section 11),6.2.3 I
23、dentification 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 pancake style (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 resistivity or a
24、ny other physical and electrical properties (See Table X1.1).7. Materials and Manufacture7.1 MaterialThe material of manufacture shall be a cast bar, slab, cake, billet, or other form of the composition given in Table1 for the specified alloy, suitable for processing into the product prescribed in t
25、his specification.7.2 ManufactureThe product shall be produced by either hot- or cold-working operation. It shall be finished, unless otherwisespecified, by such hot working, cold working, annealing, or heat treatment as may be necessary to meet the properties specifiedin Table 2.7.3 EdgesThe edges
26、shall be slit or rolled edges as specified by the buyer. Slit edges shall be furnished unless otherwisespecified or agreed upon between the purchaser and supplier or manufacturer.B888 122TABLE 1 Chemical RequirementsElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBeryll-ium Cobalt Iron Lead
27、Magnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverTellur-ium OtherC14530 99.90Amin0.0010.0100.0030.0230.0030.023C15100B 99.80Cmin0.050.15C15500 99.75Cmin0.080.130.0400.0800.0270.10C17000D remainderC 0.20max1.601.790.20Emin0.20maxC17200D remainderC 0.20max1.802.000.20Em
28、in0.20maxC17410D remainderC 0.20max0.150.500.350.60.20max0.20maxC17450D remainderC 0.20max0.150.500.20max0.501.00.25max0.50 %max0.20maxC17460D remainderC 0.20max0.150.500.20max1.01.40.25max0.50 %max0.20maxC17500D remainderC 0.20max0.40.72.42.70.10max0.20maxC17510D remainderC 0.20max0.20.60.3max0.10m
29、ax1.42.20.20maxC19002D remainderC 0.10 0.05 0.01 1.41.7F 0.05 0.020.30 0.040.35 0.0050.050.200.350.020.50C19010D remainderC 0.81.80.010.050.150.35C19015G remainderC 0.020.15 0.502.4 0.020.20 0.10.40C19025H remainderC 0.10max0.81.20.030.070.71.10.20maxC19210G remainder 0.050.150.0250.04C19400G 97.0 m
30、in 2.12.60.03max0.0150.150.050.20C19500G 96.0 min 0.02max0.301.31.02.00.02max0.010.350.101.00.20maxC19700G remainder 0.05max0.301.20.05max0.010.200.05max0.05max0.100.400.20max0.20maxC23000G 84.0-86.0 0.05max0.05maxremainderC26000H 68.5-71.5 0.05max0.07maxremainderC40810H 94.5-96.5 0.080.120.05max0.1
31、10.200.0280.041.82.2remainderB888123TABLE 1 ContinuedElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBeryll-ium Cobalt Iron LeadMagnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverTellur-ium OtherC40850H 94.5-96.5 0.050.200.05max0.050.200.010.202.64.0remainderC4
32、0860H 94.0-96.0 0.010.050.05max0.050.200.020.041.72.3remainderC42200H 86.0-89.0 0.05max0.05max0.35max0.81.4remainderC42500H 87.0-90.0 0.05max0.05max0.35max1.53.0remainderC42520H 88.0-91.0 0.050.200.05max0.050.200.010.201.53.0remainderC42600H 87.0-90.0C 0.050.200.05max0.050.20F0.010.202.54.0remainder
33、C50580D remainder 0.050.200.05max0.050.200.010.351.01.70.30maxC50780D remainder 0.050.200.05max0.050.200.010.351.72.30.30maxC51000D remainder 0.10max0.05max0.030.354.25.80.30maxC51080D remainder 0.050.200.05max0.050.200.010.354.85.80.30maxC51100D remainder 0.10max0.05max0.030.353.54.90.30maxC51180D
34、remainder 0.050.200.05max0.050.200.010.353.54.90.30maxC51980D remainder 0.050.200.05max0.050.200.010.355.57.00.30maxC52100D remainder 0.10max0.05max0.030.357.09.00.20maxC52180D remainder 0.050.200.05max0.050.200.010.357.09.00.30maxC52480D remainder 0.050.200.05max0.050.200.010.359.011.00.30maxC63800
35、D remainderC 2.5-3.10.250.550.20max0.05max0.10max0.20max0.8max1.52.1C64725D 95.0 minC 0.25 0.01 0.20 1.32.7F 0.200.8 0.501.5 0.09 0.200.80.01CalciumC65400D remainderC 0.05max1.21.90.50max0.010.122.73.4C68800D remainderC 3.0-3.8I0.250.550.20max0.05max21.324.1IC70250D remainderC 0.20max0.05max0.050.30
36、0.10max2.24.2F1.0max0.251.2C70260D remainderC 1.03.0F0.01max0.200.7C70265D remainderC 0.05max1.03.0F 0.01max0.050.80.30max0.200.7C70310D remainderC 0.10 0.05 0.01 1.04.0F 0.05 1.0 2.0 0.0050.050.081.00.020.50B888124TABLE 1 ContinuedElements Composition, %CopperAlloy UNSNo. CopperAlum-inumBeryll-ium
37、Cobalt Iron LeadMagnes-iumMangan-ese NickelPhos-phorus Tin Zinc Chromium Zirconium Silicon SilverTellur-ium OtherC75200D 63.0-66.5C 0.25max0.05max0.50max16.519.5FremainderC76200D 57.0-61.0C 0.25max0.09max0.50max11.013.5FremainderA Includes silver + tin + tellurium + selenium.B Copper + the sum of th
38、e named elements shall be 99.9 % min.C Copper value includes silver.D Copper + the sum of the named elements shall be 99.5 % min.E Nickel + cobalt, 0.20 % min; nickel + iron +cobalt, 0.6 % max.F Includes cobalt.G Copper + the sum of the named elements shall be 99.8 % min.H Copper + the sum of the na
39、med elements shall be 99.7 % min.I Aluminum + zinc = 25.127.1.B888125TABLE 2 Mechanical RequirementsTemper Designation Tensile Strength, ksi Tensile Strength, MPa Yield Strength(0.2 % Offset), ksiYield Strength(0.2 % Offset),MPaElongation, %Standard Former min max min max min min minCopper Alloy UNS
40、 NO. C14530H01 14 hard 35 45 240 310 26 180 7H02 12 hard 40 50 275 345 33 230 5H03 34 hard 44 54 305 370 39 270 3H04 hard 47 57 325 395 43 295 2H06 extra hard 50 60 345 415 47 325 1H08 spring 54 64 370 440 51 350 1H10 extra spring 58 . . . 400 . . . 56 385 . . .Copper Alloy UNS NO. C15100O61 anneale
41、d 37 42 255 290 9 60 35H01 14 hard 40 45 275 310 26 180 11H02 12 hard 43 51 295 350 35 240 3H02 12 hard 43 51 295 350 35 240 4H03 34 hard 47 56 325 385 45 310 1H03 34 hard 47 56 325 385 45 310 2H04 hard 53 62 365 425 51 350 1H04 hard 53 62 365 425 51 350 2H06 extra hard 59 65 405 450 57 395 1H08 spr
42、ing 64 71 440 490 62 425 1Copper Alloy UNS NO. C15500O61 annealed 34 43 235 295 15 105 30H02 12 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 3Copper Alloy UNS NO. C17000TB00 A 60
43、 78 410 540 30 210 35TD01 14 H 75 88 520 610 60 415 15TD02 12 H 85 100 590 690 75 520 9TD04 H 100 130 690 900 90 620 2TF00 AT 150 180 1030 1240 130 900 3TH01 14 HT 160 190 1100 1310 135 930 2.5TH02 12 HT 170 200 1170 1380 145 1000 1TH04 HT 180 210 1240 1450 155 1070 1AM TM00 100 110 690 760 70 480 1
44、814 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 35TD01 14 H 75 88 520 610 60 415 20TD02 12 H 85 100 590 690 75 520
45、 12TD04 H 100 130 690 900 90 620 2TF00 AT 165 195 1140 1340 140 970 4TH01 14 HT 175 205 1210 1410 150 1030 3TH02 12 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 120 135 830 930 95 660 12HM TM04 135
46、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. C17410TH02 12 HT 95 115 665 790 80 550 10TH04 HT 110 130 760 895 100 690 7Copper Alloy UNS NO. C17450TH02 12 HT 95 115 655 790 80 550 12Copper Allo
47、y UNS NO. C17460TH03 34 HT 115 135 790 930 95 655 11TH04 HT 120 140 825 965 105 720 10Copper Alloy UNS NO. C17500TB00 A 35 55 240 380 25 170 20TD04 H 70 85 480 585 55 380 3TF00 AT 100 120 690 830 80 550 10TH04 HT 110 130 760 900 95 655 8HTR 120 150 830 1030 110 760 1HTC 75 85 512 590 50 340 8B888 12
48、6TABLE 2 ContinuedTemper Designation Tensile Strength, ksi Tensile Strength, MPa Yield Strength(0.2 % Offset), ksiYield Strength(0.2 % Offset),MPaElongation, %Standard Former min max min max min min minCopper Alloy UNS NO. C17510TB00 A 35 55 240 380 25 170 20TD04 H 70 85 480 585 55 380 2TF00 AT 100
49、120 690 830 80 550 10TH04 HT 110 140 760 965 95 655 8Copper Alloy UNS No. C19002TM04 HM 72 87 495 600 65 450 10TM06 XHM 84 94 580 650 78 540 7TM08 XHMS 89 101 615 695 82 565 5TM05 SHM 84 94 580 650 75 515 8Copper Alloy UNS NO. C19010TM03 34 HM 67 77 460 520 50 340 12TM04 HM 71 81 490 560 60 410 10TM06 XHM 75 86 520 590 64 440 8TM08 SHM 84 . . . 580 . . . 74 510 6H01 14 hard 52 64 360 430 40 275 8H02 12 hard 60
