Standard Specification for Brass Strip in Narrow Widths and Light Gage for Heat-Exchanger Tubing

ABSTRACT
This specification establishes the requirements for brass strips in narrow widths and light gages produced from Copper Alloy UNS Nos. C23000, C26000, and C26130 to be used in heat exchanger tubing. The material for manufacture shall be a cast bar, cake, or slab of such purity and soundness as to be suitable for processing by hot working, cold working, and annealing to produce a uniform wrought structure in the finished product. Products shall be produced in tempers H01 (¼ hard), H02 (½ hard), O81 (annealed-to-temper, ¼ hard), and O82 (annealed-to-temper, ½ hard). Products shall be sampled and prepared, then tested accordingly to examine their conformance to dimensional (mass, thickness, width, and straightness), mechanical (tensile and yield strengths, and elongation), chemical composition, and grain size requirements.
SCOPE
1.1 This specification establishes the requirements for brass strip in narrow widths and light gages produced from Copper Alloys Nos. C23000, C26000, and C26130.Note 1
This product is commonly used for the manufacture of thin-wall tubes for water passages in heat exchangers for internal combustion engines and other closed system heat sources.
1.2 UnitsThe values stated in inch-pound units are to be regarded as standard, except for grain size, which is stated in SI units. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.

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30-Apr-2004
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ASTM B569-04 - Standard Specification for Brass Strip in Narrow Widths and Light Gage for Heat-Exchanger Tubing
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B 569 – 04
Standard Specification for
Brass Strip in Narrow Widths and Light Gage for Heat-
1
Exchanger Tubing
This standard is issued under the fixed designation B 569; 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* 3.2.1 capable of—the test need not be performed by the
producer of the material. However, if subsequent testing by the
1.1 This specification establishes the requirements for brass
purchaser establishes that the material does not meet these
strip in narrow widths and light gages produced from Copper
requirements, the material shall be subject to rejection.
Alloys Nos. C23000, C26000, and C26130.
NOTE 1—This product is commonly used for the manufacture of 4. Ordering Information
thin-wall tubes for water passages in heat exchangers for internal
4.1 Include the following information when placing orders
combustion engines and other closed system heat sources.
for products to this specification:
1.2 Units—The values stated in inch-pound units are to be
4.1.1 ASTM designation and year of issue (for example,
regardedasstandard,exceptforgrainsize,whichisstatedinSI
B 569–XX),
units. The values given in parentheses are mathematical
4.1.2 Copper Alloy UNS No. designation (for example,
conversions to SI units, which are provided for information
C26000),
only and are not considered standard.
4.1.3 Temper (Section 7),
4.1.4 Dimensions:thickness,width,length(Section10),and
2. Referenced Documents
4.1.5 Quantity: total weight each form, temper, and size.
2
2.1 ASTM Standards:
4.2 The following options are available and should be
B 248 Specification for General Requirements for Wrought
specified at the time of placing an order when required:
Copper and Copper-Alloy Plate, Sheet, Strip, and Rolled
4.2.1 Heat identification or traceability details,
Bar
4.2.2 Certification, and
B 601 Classification for Temper Designations for Copper
4.2.3 Mill test report.
and Copper Alloys—Wrought and Cast
B 846 Terminology for Copper and Copper Alloys 5. Materials and Manufacture
E 3 Practice for Preparation of Metallographic Specimens
5.1 Material:
E 8 Test Methods for Tension Testing of Metallic Materials
5.1.1 The material of manufacture shall be cast bar, cake, or
E 29 Practice for Using Significant Digits in Test Data to
slab of CopperAlloy UNS No. C23000, C26000, or C26130 of
Determine Conformance With Specifications
such purity and soundness as to be suitable for processing into
E 112 Test Methods for Determining Average Grain Size
the products prescribed herein.
E 478 Test Methods for Chemical Analysis of Copper
5.1.2 In the event heat identification or traceability is
Alloys
required, the purchaser shall specify the details desired.
3. Terminology NOTE 2—Because of the discontinuous nature of the processing of
castings into wrought products, it is not always practical to identify a
3.1 Definitions—For definitions of terms used in this speci-
specific casting analysis with a specific quantity of finished material.
fication, refer to Terminology B 846.
5.2 Manufacture:
3.2 Definitions of Terms Specific to This Standard:
5.2.1 The product width shall be no greater than 3 in. (76.2
mm), and thickness shall be less than 0.0181 in. (0.457 mm).
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
5.2.2 The product shall be manufactured by such hot-
andCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.01onPlate,
working, cold-working, and annealing processes as to produce
Sheet, and Strip.
a uniform wrought structure in the finished product.
Current edition approved May 1, 2004. Published May 2004. Originally
approved in 1972. Last previous edition approved in 1998 as B 569 – 98.
5.2.2.1 The product shall be hot- or cold-worked to the
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
finished size, and subsequently annealed, when required, to
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
meet the temper properties specified.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
*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.
1

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B569–04
5.2.3 Edges—Slit edges shall be furnished. 10.2 Straightness Tolerances—The maximum edgewise
curvature (depth of arc) in any 72-in. (1830-mm) continuous
6. Chemical Composition
1
length shall not exceed ⁄8 in. (3.18 mm).
6.1 The material shall conform to the chemical composi-
tio
...

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