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ASTM B3-01(2007)

(Specification)

Standard Specification for Soft or Annealed Copper Wire

Standard Specification for Soft or Annealed Copper Wire

ABSTRACT
This specification covers drawn and annealed or soft round bare copper wire for electrical purposes. The matterial shall be copper of such quality and purity that the finished product shall have the properties and characteristics prescribed. Tensile strength, elongation, and resistivity of the wires shall be determined. A micrometer caliper equipped with a vernier shall be used to measure the material dimensions. The wires shall be subjected to surface finish and shall conform to the particularized requirements.
SCOPE
1.1 This specification covers drawn and annealed or soft round bare copper wire for electrical purposes (see Explanatory Note 1).
1.2 The values stated in inch-pound or SI units are to be regarded separately as standard. Each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the specification. For conductor sizes designated by AWG or kcmil sizes, the requirements in SI units are numerically converted from the corresponding requirements in inch-pound units. For conductor sizes designation by AWG or kcmil, the requirements in SI units have been numerically converted from corresponding values stated or derived in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units.
1.2.1 For density, resistivity and temperature, the values stated in SI units are to be regarded as standard.

General Information

Status
Historical
Publication Date
14-Mar-2007
ICS
77.150.30 - Copper products
Technical Committee
B01 - Electrical Conductors
Drafting Committee
B01.04 - Conductors of Copper and Copper Alloys
Current Stage
Ref Project

Relations

Replaces
ASTM B3-01 - Standard Specification for Soft or Annealed Copper Wire
Effective Date
15-Mar-2007
Replaced By
ASTM B3-12 - Standard Specification for Soft or Annealed Copper Wire
Effective Date
15-Nov-2012
Referred By
ASTM B258-18 - Standard Specification for Standard Nominal Diameters and Cross-Sectional Areas of AWG Sizes of Solid Round Wires Used as Electrical Conductors
Effective Date
15-Mar-2007
Referred By
ASTM B496-16(2021) - Standard Specification for Compact Round Concentric-Lay-Stranded Copper Conductors
Effective Date
15-Mar-2007
Referred By
ASTM B973-10(2020)e1 - Standard Specification for Tin-Coated Braid and Ribbon Flat Copper Wire intended for use in Electronic Application
Effective Date
15-Mar-2007
Referred By
ASTM B835-14(2020) - Standard Specification for Compact Round Stranded Copper Conductors Using Single Input Wire Construction
Effective Date
15-Mar-2007
Referred By
ASTM B173-17 - Standard Specification for Rope-Lay-Stranded Copper Conductors Having Concentric-Stranded Members, for Electrical Conductors
Effective Date
15-Mar-2007
Referred By
ASTM B174-17 - Standard Specification for Bunch-Stranded Copper Conductors for Electrical Conductors
Effective Date
15-Mar-2007
Referred By
ASTM B172-17 - Standard Specification for Rope-Lay-Stranded Copper Conductors Having Bunch-Stranded Members, for Electrical Conductors
Effective Date
15-Mar-2007
Referred By
ASTM B470-02(2017) - Standard Specification for Bonded Copper Conductors for Use in Hookup Wires for Electronic Equipment
Effective Date
15-Mar-2007
Referred By
ASTM F68-16 - Standard Specification for Oxygen-Free Copper in Wrought Forms for Electron Devices
Effective Date
15-Mar-2007
Referred By
ASTM B8-11(2017) - Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
Effective Date
15-Mar-2007
Referred By
ASTM B972-10(2020)e1 - Standard Specification for Nickel-Coated Braid and Ribbon Flat Copper Wire Intended for use in Electronic Application
Effective Date
15-Mar-2007
Referred By
ASTM B971-10(2020)e1 - Standard Specification for Silver-Coated Braid and Ribbon Flat Copper Wire intended for use in Electronic Application
Effective Date
15-Mar-2007
Referred By
ASTM D1676-17 - Standard Test Methods for Film-Insulated Magnet Wire
Effective Date
15-Mar-2007

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ASTM B3-01(2007) - Standard Specification for Soft or Annealed Copper WireASTM B3-01(2007) - Standard Specification for Soft or Annealed Copper Wire
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ASTM B3-01(2007) - Standard Specification for Soft or Annealed Copper Wire
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Standards Content (Sample)

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:B3 −01(Reapproved 2007)
Standard Specification for
1
Soft or Annealed Copper Wire
This standard is issued under the fixed designation B3; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 2.3 National Institute of Standards and Technology:
3
NBS Handbook 100—Copper Wire Tables
1.1 This specification covers drawn and annealed or soft
roundbarecopperwireforelectricalpurposes(seeExplanatory
3. Ordering Information
Note 1).
3.1 Orders for material under this specification shall include
1.2 The values stated in inch-pound or SI units are to be
the following information:
regarded separately as standard. Each system shall be used
3.1.1 Quantity of each size,
independently of the other. Combining values from the two
3.1.2 Wire size: diameter in inches (see 5.4 and Table 1),
systems may result in non-conformance with the specification.
3.1.3 Type of copper, if special (Section 4),
For conductor sizes designated by AWG or kcmil sizes, the
3.1.4 Package size (see 10.1),
requirements in SI units are numerically converted from the
3.1.5 Special package marking, if required, and
correspondingrequirementsininch-poundunits.Forconductor
3.1.6 Place of inspection (see 9.1).
sizes designation by AWG or kcmil, the requirements in SI
units have been numerically converted from corresponding
4. Materials and Manufacture
values stated or derived in inch-pound units. For conductor
4.1 The material shall be copper of such quality and purity
sizesdesignatedbySIunitsonly,therequirementsarestatedor
that the finished product shall have the properties and charac-
derived in SI units.
teristics prescribed in this specification.
1.2.1 For density, resistivity and temperature, the values
stated in SI units are to be regarded as standard.
NOTE 1—The following standards define the materials suitable for use:
Specification B49.
2. Referenced Documents
4.2 Copper bars of special qualities, forms, or types, as may
be agreed upon between the manufacturer and the purchaser,
2.1 The following documents of the issue in effect at the
and which will conform to the requirements prescribed in this
time of reference form a part of this specification to the extent
specification may also be used.
referenced herein:
2
2.2 ASTM Standards:
5. General Requirements (see Section 7)
B49 Specification for Copper Rod Drawing Stock for Elec-
5.1 Tensile Strength and Elongation—The wire shall con-
trical Purposes
form to the requirements for elongation prescribed in Table 1
B193 Test Method for Resistivity of Electrical Conductor
(see Explanatory Note 2). No requirements for tensile strength
Materials
are specified. For wire whose nominal diameter is more than
B258 Specification for Nominal Diameters and Cross-
0.001 in. (0.025 mm) greater than a size listed in Table 1, but
SectionalAreasofAWGSizesofSolidRoundWiresUsed
less than that of the next larger size, the requirements of the
as Electrical Conductors
next larger size shall apply.
5.2 Joints—Necessary joints in the completed wire and in
1 the wire and rods prior to final drawing shall be made in
This specification is under the jurisdiction of ASTM Committee B01 on
Electrical Conductorsand is the direct responsibility of Subcommittee B01.04 on accordance with the best commercial practice.
Conductors of Copper and Copper Alloys.
5.3 Resistivity—The electrical resistivity 20°C shall not
Current edition approved March 15, 2007. Published April 2007. Originally
2 2
approved in 1912. Last previous edition approved in 2001 as B3 – 01. DOI: exceed 875.20Ω·lb/mile (0.15328Ω·g/m ).
10.1520/B0003-01R07.
2
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
3
Standards volume information, refer to the standard’s Document Summary page on Available from the National Technical Information Service, 5285 Port Royal
the ASTM website. Rd, Springfield, VA 22161.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
B3−01 (2007)
TABLE 1 Tensile Requirements
Diameter Area at 20°C Elongation in
2 2
in. mm cmils in. mm 10 in.
(254 mm),
%min
0.4600 11.684 211 600 0.1662 107.0 35
0.4096 10.404 167 800 0.1318 85.0 35
0.3648 9.266 133 100 0.1045 67.4 35
0.3249 8.252 105 600 0.08291 53.5 35
0.2893 7.348 83 690 0.06573 42.4 30
0.2576 6.543 66 360 0.05212 33.6 30
0.2294 5.827 52 620 0.04133 26.7 30
0.2043 5.189 41 740 0.03278 21.2 30
0.1819
...

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This specification covers silver-coated, soft or annealed, round copper wire, intended for use in electrical equipment. The silver-coated wires are classified according to the total weight of the coated wires, namely; Class A, B, C, D, and E. Tensile strength test, resistivity test, weight of coating, and dimensional measurements shall be performed to conform to the requirements specified.
SCOPE
1.1 This specification covers silver-coated, soft or annealed, round copper wire, intended for use in electrical equipment, as follows:  
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1.1.5 Class E—Wire whose silver coating is at least 10.00 % of the total weight of the coated wire.  
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SCOPE
1.1 This specification covers nickel-coated, soft or annealed, round copper wire for use in electrical equipment.  
1.2 Five classes of wire are covered as follows:  
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1.2.2 Class 4—Wire whose nickel coating is at least 4 % of the total weight of the coated wire.  
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1.2.4 Class 10—Wire whose nickel coating is at least 10 % of the total weight of the coated wire.  
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SIGNIFICANCE AND USE
5.1 This bend test provides information as to the formability or the ability of copper and copper alloy strip to resist cracking when being formed.  
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SCOPE
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SCOPE
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Standard Guide for Editorial Procedures and Form of Product Specifications for Copper and Copper Alloys

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4.1 The Form and Style for ASTM Standards manual provides mandatory requirements and recommended practices for the preparation and content of ASTM specifications. In order to promote consistency in the style and content of product specifications under its jurisdiction, Committee B05 recognizes the need to provide a supplementary document pertaining to the types of products and materials covered by specifications under its jurisdiction.  
4.2 This guide contains a list of sections to be considered for inclusion in a specification for copper and copper alloys, recommended wording, or both, for such sections. An electronic template including committee adopted language is included in the Appendix.7  
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1.1 This guide covers the editorial procedures and form and style for product specifications under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys.
Note 1: For standards other than product specifications, such as test methods, practices, and guides, see the appropriate sections of Form and Style for ASTM Standards (Blue Book).2  
1.2 This guide has been prepared as a supplement to the current edition of the Form and Style Manual, and is appropriate for use by the subcommittees within ASTM Committee B05 on Copper and Copper Alloys. This guide is to be applied in conjunction with the Form and Style Manual. The Appendix contains a copy of the B05 electronic template which includes adopted language for various sections and provides a template for drafting B05 product specifications.
Note 2: The contents of this guide were previously maintained as a white paper under the title, “ASTM Committee B05 Outline of Form of Specifications.”  
1.3 Subcommittees preparing new product specifications or revising existing ones should follow the practices and procedures outlined herein, and be guided by the latest specifications covering similar commodities.  
1.4 If a conflict exists between this guide and the mandatory sections of the current edition of the Form and Style Manual, the Form and Style Manual requirements have precedence. If a conflict exists between this guide and the nonmandatory sections of the current edition of the Form and Style Manual, this guide has precedence.  
1.5 When patents are involved, the specifications writer should refer to the Form and Style Manual section on patents and trademarks. Also, refer to part F of the Form and Style Manual for trademark information and the safety hazards caveat.  
1.6 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.

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ASTM B806-23(Specification)
Standard Specification for Copper Alloy Permanent Mold Castings for General Applications

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This specification covers the requirements for UNS C95300, C95400, C95410, C95500, C95800, C87500, C87800, C87850, and C89540 copper alloy permanent mold castings for general applications. UNS C95800 copper alloy used in sea water applications should be heat treated for better corrosion resistance. In general, alloys included in this specification are weldable. Mechanical properties like the tensile strength, yield strength and elongation are determined from separately cast test bar castings and should conform to the specified requirements.
SCOPE
1.1 This specification covers requirements for copper alloy2 permanent mold castings for general applications. Nominal compositions of the alloys under this specification are shown in Table 1.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 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.

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ASTM B271/B271M-23(Specification)
Standard Specification for Copper-Base Alloy Centrifugal Castings

ABSTRACT
This specification establishes the requirements for copper-based brass or bronze centrifugal castings. Mechanical properties are determined from test bar castings and should meet the requirements listed herein. Brinell hardness readings should be taken on the grip end of tension test bars. All castings should not be repaired by welding without customer approval. UNS C95520 copper alloy castings are used in the heat treated condition only.
SCOPE
1.1 This specification covers requirements for centrifugal castings of copper-base alloys having the nominal compositions shown in Table 1.  
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