ASTM B888-06

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Designation: B 888 – 06
Standard Specification for
Copper Alloy Strip for Use in Manufacture of Electrical
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Connectors or Spring Contacts
This standard is issued under the fixed designation B 888; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope* Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and
Rolled Bar [Metric]
1.1 This specification establishes the requirements for cop-
B 601 Classification for Temper Designations for Copper
per alloy strip for use in the manufacture of electrical connec-
and Copper Alloys—Wrought and Cast
tors or spring contacts produced from one of the following
2
B 740 Specification for Copper-Nickel-Tin Spinodal Alloy
CopperAlloy UNS Nos. : C14530, C15100, C15500, C17000,
Strip
C17200, C17410, C17450, C17460, C17500, C17510,
B 820 Test Method for Bend Test for Determining the
C19010, C19025, C19210, C19400, C19500, C19700,
Formability of Copper and Copper Alloy Strip
C23000, C26000, C40810, C40850, C40860, C42200,
B 846 Terminology for Copper and Copper Alloys
C42500, C42520, C42600, C50580, C50780, C51000,
E8 Test Methods for Tension Testing of Metallic Materials
C51080,C51100,C51180,C51980,C52100,C52180,C52480,
E8M Test Methods for Tension Testing of Metallic Mate-
C63800, C65400, C68800, C70250, C70260, C70265,
rials [Metric]
C75200, and C76200.
E54 Test Methods for Chemical Analysis of Special
1.2 The requirements for the other copper alloys such as
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Brasses and Bronzes
copper-nickel-tin spinodal, UNS C72650, C72700, and
E62 Test Methods for Chemical Analysis of Copper and
C72900, shall be as prescribed in the current edition of
Copper Alloys (Photometric Methods)
Specification B 740.
E75 Test Methods for ChemicalAnalysis of Copper-Nickel
1.3 The values stated in either inch-pound units or SI units
and Copper-Nickel-Zinc Alloys
are to be regarded separately as standard. The values stated in
E 478 Test Methods for Chemical Analysis of Copper
each system may not be exact equivalents; therefore, each
Alloys
system shall be used independently of the other. Combining
E 527 Practice for Numbering Metals and Alloys (UNS)
values from the two systems may result in noncompliance with
2.2 ISO Standards:
this specification.
ISO 4744 Copper and Copper Alloys—Determination of
2. Referenced Documents
Chromium Content—Flame Atomic Absorption Spectro-
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3
metric Method
2.1 ASTM Standards:
ISO 7602 Copper and Copper Alloys—Determination of
B 193 Test Method for Resistivity of Electrical Conductor
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Tellurium Content
Materials
B 248 Specification for General Requirements for Wrought
3. Terminology
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
3.1 Definitions—For definition of terms used in this speci-
Bar
fication, refer to Terminology B 846.
B 248M Specification for General Requirements for
4. General Requirements
1 4.1 ForproductfurnishedunderthisspecificationinEnglish
This specification is under the jurisdiction of Committee B05 on Copper and
units, the following sections of Specification B 248 must
Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
Sheet, and Strip.
constitute a part of this specification. For product furnished
Current edition approved March 15, 2006. Published March 2006. Originally
under this specification in the SI units, the following sections
approved in 1998. Last previous edition approved in 2004 as B 888 – 04.
2
of Specification B 248M must constitute a part of this specifi-
The UNS system for copper and copper alloys (see Practice E 527) is a simple
expansion of the former standard designation system accomplished by the addition cation.
of a prefix “c” and a suffix “00.” The suffix can be used to accommodate
composition variations of the base alloy.
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
4
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Withdrawn.
5
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036.
*A Summary 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.
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B888–06
4.1.1 Terminology, 6.2.6.1 Number of strip lengths per coil,
4.1.2 Materials and Manufacture, 6.2.6.2 Size and weight of each coil, and
4.1.3 Dimensions, Weights, and Permissible Variations,
6.2.7 The electrical resistivity or any other physical and
4.1.4 Workmanship,
...