ASTM B888-03

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Designation: B 888 – 03
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 * B 248M Specification for General Requirements for
Wrought Copper and Copper-Alloy Plate, Sheet, Strip, and
1.1 This specification establishes the requirements for cop-
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Rolled Bar [Metric]
per alloy strip for use in the manufacture of electrical connec-
B 534 Specification for Copper-Cobalt-Beryllium Alloy and
tors or spring contacts produced from one of the following
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Copper-Nickel-Beryllium Alloy Plate, Sheet, Strip, and
Copper Alloy UNS Nos. : C14530, C15100, C15500, C19025,
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Rolled Bar
C19400, C19500, C19700, C23000, C26000, C40810,
B 601 Classification for Temper Designations for Copper
C40850, C40860, C42200, C42500, C42520, C42600,
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and Copper Alloys—Wrought and Cast
C50580, C50780, C51000, C51080, C51100, C51180, C51980,
B 740 Specification for Copper-Nickel-Tin Spinodal Alloy
C52100, C52180, C52480, C63800, C65400, C68800,
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Strip
C70250, C70260, C75200, and C76200.
B 768 Specification for Copper-Cobalt-Beryllium Alloy
1.2 The requirements for the other copper alloys such as
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Strip and Sheet
beryllium copper UNS C17000, C17200, C17400, C17410,
B 820 Test Method for Bend Test for Formability of Copper
C17500, and C17510 shall be as prescribed in the current
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Alloy Spring Material
edition of Specifications B 194, B 768, and B 534, and copper-
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B 846 Terminology for Copper and Copper Alloys
nickel-tin spinodal, UNS C72650, C72700, and C72900 shall
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E 8 Test Methods for Tension Testing of Metallic Materials
be as prescribed in the current edition of Specification B 740.
E 8M Test Methods for Tension Testing of Metallic Mate-
1.3 The values stated in either inch-pound units or SI units
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rials [Metric]
are to be regarded separately as standard. The values stated in
E 54 Test Methods for Chemical Analysis of Special
each system may not be exact equivalents; therefore, each
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Brasses and Bronzes
system shall be used independently of the other. Combining
E 62 Test Methods for Chemical Analysis of Copper and
values from the two systems may result in noncompliance with
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Copper Alloys (Photometric Method)
this specification.
E 75 Test Methods for Chemical Analysis of Copper-Nickel
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2. Referenced Documents
and Copper-Nickel-Zinc Alloys
E 478 Test Methods for Chemical Analysis of Copper
2.1 ASTM Standards:
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Alloys
B 193 Test Method for Resistivity of Electrical Conductor
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3
E 527 Practice for Numbering Metals and Alloys (UNS)
Material
2.2 ISO Standards:
B 194 Specification for Copper-Beryllium Alloy Plate,
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ISO 4744 Copper and Copper Alloys—Determination of
Sheet, Strip, and Rolled Bar
Chromium Content - Flame Atomic Absorption Spectro-
B 248 Specification for General Requirements for Wrought
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metric Method
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
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ISO 7602 Copper and Copper Alloys—Determination of
Bar
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Tellurium Content
3. Terminology
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This specification is under the jurisdiction of Committee B05 on Copper and
3.1 Definitions—For definition of terms used in this speci-
Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
fication, refer to Terminology B 846.
Sheet, and Strip.
Current edition approved Apr. 10, 2003. Published May 2003. Originally
approved in 1998. Last previous edition approved in 1998 as B 888 – 98.
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The UNS system for copper and copper alloys (see Practice E 527) is a simple Annual Book of ASTM Standards, Vol 03.01.
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expansion of the former standard designation system accomplished by the addition Discontinued; see 2001 Annual Book of ASTM Standards, Vol 03.05.
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of a prefix “c” and a suffix “00.” The suffix can be used to accommodate Annual Book of ASTM Standards, Vol 03.05.
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composition variations of the base alloy. Annual Book of ASTM Standards, Vol 01.01.
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Annual Book of ASTM Standards, Vol 02.03. Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
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Annual Book of ASTM Standards, Vol 02.01. 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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B888–03
4. General Requirements Table 1 for the specified alloy, suitable for processing into the
product prescribed in this specification.
4.1 For product furnished under this specification in Englis
...