ASTM B592-98

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Designation: B 592 – 98
Standard Specification for
Copper-Zinc-Aluminum-Cobalt Plate, Sheet, Strip, and
Rolled Bar
This standard is issued under the fixed designation B 592; 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 * E 478 Test Methods for Chemical Analysis of Copper
Alloys
1.1 This specification covers the requirements for plate,
E 527 Practice for Numbering Metals and Alloys (UNS)
sheet, strip, and rolled bar in alloy C68800.
NOTE 1—Since this alloy is frequently used in a variety of applications 3. Terminology
where yield strength and stress-corrosion resistance may be critical, it is
3.1 Definitions—For definitions of terms used in this
recommended that drawings or samples of the part to be fabricated and
specification, refer to Terminology B 846.
details of application be submitted for use in establishing temper and
3.2 Definition of Term Specific to This Standard:
treatment of material.
3.2.1 capable of—having the properties necessary for con-
1.2 Values stated in inch-pound units are to be regarded as
formance to specification requirements when subjected to a
the standard. Values given in parentheses are for information
referenced test method.
only.
4. General Requirements
2. Referenced Documents
4.1 The following sections of Specification B 248 constitute
2.1 The following documents of the issue in effect on the
a part of this specification:
date of material purchase form a part of this specification to the
4.1.1 Terminology—Definitions,
extent referenced herein:
4.1.2 Materials and Manufacturing,
2.2 ASTM Standards:
4.1.3 Workmanship, Finish, and Appearance,
B 248 Specification for General Requirements for Wrought
4.1.4 Sampling, except for chemical analysis,
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
4.1.5 Number of Tests and Retests,
Bar
4.1.6 Specimen Preparation,
B 601 Practice for Temper Designation for Copper and
4.1.7 Test Methods, except for chemical analysis,
Copper Alloys—Wrought and Cast
4.1.8 Significance of Numerical Limits,
B 846 Terminology for Copper and Copper Alloys
4.1.9 Inspection,
E 8 Test Methods of Tension Testing of Metallic Materials
4.1.10 Rejection and Rehearing,
E 18 Test Methods for Rockwell Hardness and Rockwell
4.1.11 Certification,
Superficial Hardness of Metallic Materials
4.1.12 Test Reports (Mill),
E 75 Test Methods for Chemical Analysis of Copper-Nickel
4.1.13 Packaging and Package Marking, and
and Copper-Nickel-Zinc Alloys
4.1.14 Supplementary Requirements.
E 76 Test Methods for Chemical Analysis of Nickel-Copper
4.2 In addition, when a section with a title identical to that
Alloys
referenced in 4.1, above, appears in this specification, it
E 112 Test Methods for Determining Average Grain Size
contains additional requirements which supplement those ap-
E 255 Practice for Sampling Copper and Copper Alloys for
pearing in Specification B 248.
the Determination of Chemical Composition
5. Ordering Information
5.1 Contracts or purchase orders for product under this
This specification is under the jurisdiction of ASTM Committee B-5 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.01 on Plate,
specification should include the following information:
Sheet, and Strip.
5.1.1 ASTM designation and year of issue (for example,
Current edition approved March 10, 1998. Published January 1999. Originally
B 592 - XX),
published as B 592 – 73. Last previous edition B 592 – 93.
5.1.2 Copper Alloy UNS No. designation (for example,
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
C68800),
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
5.1.3 Temper (see Section 8),
composition variations of the base alloy.
Annual Book of ASTM Standards, Vol 02.01.
Annual Book of ASTM Standards, Vol 03.01.
5 6
Annual Book of ASTM Standards, Vol 03.05. Annual Book of ASTM Standards, Vol 03.06.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
B 592
5.1.4 Dimensions, that is, thickness, width, length, etc. (see 7.3 For alloys in which copper is listed as “Remainder,”
Section 12), copper is the difference between the sum of results of all
5.1.5 Form, that is, plate, sheet, strip, or rolled bar, elements determined and 100 %. When all elements in Table 1
5.1.6 How furnished, that is, coils, specific lengths or stock are determined, the sum of the results shall equal at least
lengths, with or without ends, 99.5 %.
5.1.7 Quantity, that is, total weight each form, temper, and
8. Temper
size, and
8.1 Product fabricated from this alloy is available in the
5.1.8 Whether material is purchased for agencies of the U.S.
following tempers as defined in Practice B 601:
Government (see Section 11).
8.1.1 H01, H02, H04, H06, H08, and H10 (Rolled), and
5.2 The following options are available under this specifi-
8.1.2 O61 (Annealed).
cation and should be specified in the contract or purchase order
when required:
NOTE 3—Special tempers not listed in this specification are subject to
5.2.1 Type of edge, that is, slit, sheared, sawed, square
agreement between the manufacturer and the purchaser.
corners, round corners, rounded edges, or full rounded edges,
9. Grain Size for Annealed Tempers
and
5.2.2 Width and straightness tolerances (see Section 12).
9.1 Although no grain size has been established, the product
must be fully recrystallized as determined by Test Method
6. Material and Manufacture
E 112.
6.1 Material:
10. Mechanical Property Requirements
6.1.1 The material of manufacture shall be a cast bar, cake,
10.1 Tensile Strength Requirements:
slab, etc., of Copper Alloy UNS C68800 of such purity and
10.1.1 Product furnished under this specification will con-
soundness as to be suitable for process in to the products
form to the tensile requirements prescribed in Table 2 when
prescribed herein.
tested in accordance with Test Methods E 8.
6.1.2 In the event heat identification or traceability is
10.1.2 Acceptance or rejection based upon mechanical
required, the purchaser shall specify the details desired.
properties shall depend only on tensile strength.
NOTE 2—Due to the discontinuous nature of the processing of castings
10.2 Rockwell Hardness Requirements—The approximate
into wrought products, it is not always practical to identify a specific
Rockwell hardness values given in Table 2 are for general
casting analysis with a specific quantity of finished material.
information and assistance in testing and shall not be used as a
6.2 Manufacturer:
basis for product rejection.
6.2.1 The product shall be manufactured by such hot work-
NOTE 4—The Rockwell hardness test as determined by Test Methods
ing, cold working, and annealing processes as to produce a
E 18 offers a quick and convenient method of checking for general
uniform wrought structure in the finished product.
conformity to the spe
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