ASTM B411/B411M-14(2019)

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:B411/B411M −14 (Reapproved 2019)
Standard Specification for
Copper-Nickel-Silicon Alloy Rod and Bar
This standard is issued under the fixed designation B411/B411M; 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 Scope* and Bronzes (Withdrawn 2002)
E478 Test Methods for ChemicalAnalysis of CopperAlloys
1.1 This specification establishes the requirements for
copper-nickel-silicon alloy rod and bar produced from Copper
3. General Requirements
Alloy UNS No. C64700 in straight lengths.
3.1 The following sections of Specification B249/B249M
1.2 Units—The values stated in either SI units or inch-
constitute a part of this specification:
pound units are to be regarded separately as standard. The
3.1.1 Terminology;
values stated in each system may not be exact equivalents;
3.1.2 Workmanship, Finish, and Appearance;
therefore, each system shall be used independently of the other.
3.1.3 Sampling;
Combining values from the two systems may result in non-
3.1.4 Number of Tests and Retests;
conformance with the standard.
3.1.5 Specimen Preparation;
1.3 This international standard was developed in accor-
3.1.6 Test Methods;
dance with internationally recognized principles on standard-
3.1.7 Significance of Numerical Limits;
ization established in the Decision on Principles for the
3.1.8 Inspection;
Development of International Standards, Guides and Recom-
3.1.9 Rejection and Rehearing;
mendations issued by the World Trade Organization Technical
3.1.10 Certification;
Barriers to Trade (TBT) Committee.
3.1.11 Mill Test Report;
3.1.12 Packaging and Package Marking; and
2. Referenced Documents
3.1.13 Supplementary Requirements.
2.1 ASTM Standards:
3.2 In addition, when a section with a title identical to that
B193 Test Method for Resistivity of Electrical Conductor
referenced in 3.1 appears in this specification, it contains
Materials
additional requirements which supplement those appearing in
B249/B249M Specification for General Requirements for
Specification B249/B249M.
Wrought Copper and Copper-Alloy Rod, Bar, Shapes and
Forgings
4. Terminology
B601 Classification forTemper Designations for Copper and
4.1 For the definition of terms related to copper and copper
Copper Alloys—Wrought and Cast
alloys, refer to Terminology B846.
B846 Terminology for Copper and Copper Alloys
B950 Guide for Editorial Procedures and Form of Product
5. Ordering Information
Specifications for Copper and Copper Alloys
5.1 Include the following specified choices when placing
E8/E8M Test Methods for Tension Testing of Metallic Ma-
orders for product under this specification, as applicable:
terials
5.1.1 ASTM designation and year of issue (for example,
E54 Test Methods for ChemicalAnalysis of Special Brasses
B411/B411M – 06);
5.1.2 Copper alloy UNS No. designation;
5.1.3 Temper;
This specification is under the jurisdiction ofASTM Committee B05 on Copper
5.1.4 Product form (cross section such as round, hexagonal,
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
Bar, Wire, Shapes and Forgings.
square, and so forth);
Current edition approved April 1, 2019. Published April 2019. Originally
5.1.5 Dimensions (diameter or distance between parallel
approved in 1965. Last previous edition approved in 2014 as B411/B411M–14.
surfaces, width, thickness);
DOI: 10.1520/B0411_B0411M–14R19.
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
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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B411/B411M−14 (2019)
5.1.6 Edge contours; 9. Physical Property Requirements
5.1.7 Length, nominal; and
9.1 Electrical Resistivity Requirement—The precipitation
5.1.8 Quantity—total weight, length, or number of pieces
heat-treated product furnished shall conform to the electrical
for each form and size. 2
mass resistivity of 0.348 36 to 0.589 54Ω·g/m or conductivity
5.2 The following options are available but may not be of 44.0 to 26.0 % IACS at 68 °F [20 °C] when tested in
included unless specified at the time of placing the order, when accordance with Test Method B193.
required:
10. Mechanical Property Requirements
5.2.1 Certification (Specification B249/B249M),
5.2.2 Mill test report (Specification B249/B249M), and 10.1 Tensile Strength Requirements:
5.2.3 When product is purchased for agencies of the U.S. 10.1.1 Product furnished in the precipitation-hardenedTF00
Government. temper, as normally supplied, shall conform to the tensile
requirements prescribed in Table 2, when tested in accordance
6. Material and Manufacture
with Test Methods E8/E8M.
6.1 Material—The material of manufacture shall be cast 10.1.2 Product furnished in TB00 (solution heat-treated)
temper or TD00 through TD02 (solution heat-treated and
billets or ingots of Copper Alloy UNS No. C64700 of such
soundness and structure that they are suitable for processing cold-worked) inclusive, shall be capable of meeting the re-
quirements specified in Table 2 for each size and form after
into the products prescribed herein.
being given a suitable precipitation heat treatment and when
6.2 Manufacture—The product shall be manufactured by
tested in accordance with Test Methods E8/E8M.
hot extrusion or rolling and finished by such cold working,
annealing, cooling, straightening, and heat treatment as may be
NOTE 1—The purchaser should consult with the manufacturer for
recommended precipitation heat treatment procedures.
necessary to achieve the required properties.
10.1.3 The tensile requirements for a
...