ASTM B508-22

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B508 −22
Standard Specification for
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Copper Alloy Strip for Flexible Metal Hose
This standard is issued under the fixed designation B508; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* B601 Classification forTemper Designations for Copper and
Copper Alloys—Wrought and Cast
1.1 This specification establishes the requirements for an-
B846 Terminology for Copper and Copper Alloys
nealed copper-alloy strip for the manufacture of flexible metal
E29 Practice for Using Significant Digits in Test Data to
hose produced from Copper Alloy UNS Nos. C41100 and
Determine Conformance with Specifications
C50500.
E62 Test Methods for Chemical Analysis of Copper and
1.1.1 The nominal compositions are as follows:
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CopperAlloys (Photometric Methods) (Withdrawn 2010)
Copper Alloy Copper Zinc Tin
E112 Test Methods for Determining Average Grain Size
UNS No.
C41100 91.0 8.5 0.5 E255 Practice for Sampling Copper and Copper Alloys for
C50500 98.7 . 1.3
the Determination of Chemical Composition
1.2 Units—The values stated in inch-pound units are to be
E478 Test Methods for ChemicalAnalysis of CopperAlloys
regarded as standard. The values given in parentheses are
3. Terminology
mathematical conversions to SI units that are provided for
information only and are not considered standard. Grain size is
3.1 Definitions:
given in SI units.
3.1.1 For definitions of terms related to copper and copper
alloys, refer to Terminology B846.
1.3 The following safety hazard caveat pertains only to the
test methods portion, Section 14, described in this specifica-
4. Ordering Information
tion:
1.3.1 This standard does not purport to address all of the 4.1 Include the following specific choices when placing
safety concerns, if any, associated with its use. It is the orders for product under this specification, as applicable:
4.1.1 ASTM designation and year of issue,
responsibility of the user of this standard to establish appro-
priate safety, health, and environmental practices and deter- 4.1.2 Copper Alloy UNS designation (see Section 1 and
Table 1),
mine the applicability of regulatory limitations prior to use.
4.1.3 Temper (Section 7 and Table 2),
1.4 This international standard was developed in accor-
4.1.4 Quantity, number of pieces or total weight of each
dance with internationally recognized principles on standard-
alloy and size, and
ization established in the Decision on Principles for the
4.1.5 Dimensions—Thickness and width; and length, if
Development of International Standards, Guides and Recom-
applicable (see 9.2 and 9.3).
mendations issued by the World Trade Organization Technical
4.1.6 How furnished—Coils (inside and outside diameters),
Barriers to Trade (TBT) Committee.
pounds per inch of width; stock or specific lengths, with or
without ends;
2. Referenced Documents
4.1.7 Packing—Type of pallet, skid, or box: interleaving,
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2.1 ASTM Standards:
banding, maximum weight, and so forth;
4.2 The following options are available but may not be
included unless specified at the time of placing of the order
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
when required:
and Copper Alloys and is direct responsibility of Subcommittee B05.01 on Plate,
Sheet, and Strip.
4.2.1 Heat identification and traceability details;
Current edition approved May 1, 2022. Published May 2022. Originally
4.2.2 Certification;
approved in 1969. Last previous edition approved in 2016 as B508 –16. DOI:
4.2.3 Test Report;
10.1520/B0508-22.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
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Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
*A Summary of Changes section appears at the end of this standard
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B508−22
TABLE 1 Chemical Requirements
6.4 When all elements in Table 1 are determined, the sum of
Composition, % results for Copper Alloy UNS C41100 shall be 99.7 % mini-
Element Copper Alloy UNS Nos. mum and 99.5 % minimum for Copper Alloy UNS C50500.
C41100 C50500
Copper 89.0–92.0 remainde
...