ASTM B16/B16M-10
(Specification)Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines
Standard Specification for Free-Cutting Brass Rod, Bar and Shapes for Use in Screw Machines
ABSTRACT
This specification establishes the requirements for free-cutting brass rod, bar, wire, and shapes of any specified cross-section produced from Copper Alloy UNS No. C36000 suitable for high-speed screw machining applications and moderate thread rolling. The chemical composition, temper, tensile, Rockwell hardness, and shape requirements are detailed.
SCOPE
1.1 This specification establishes the requirements for free-cutting brass rod, bar, wire, and shapes of any specified cross section produced from Copper Alloy UNS Nos. C36000 or C36010 suitable for high-speed screw machining applications and moderate thread rolling.
1.2 Units—Values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.2.1 Within the text, SI units are shown in brackets.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: B16/B16M −10
StandardSpecification for
Free-Cutting Brass Rod, Bar and Shapes for Use in Screw
1
Machines
This standard is issued under the fixed designation B16/B16M; 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 Department of Defense.
3
1. Scope* [Metric] (Withdrawn 2008)
E18 Test Methods for Rockwell Hardness of Metallic Ma-
1.1 This specification establishes the requirements for free-
terials
cutting brass rod, bar, wire, and shapes of any specified cross
E478 Test Methods for ChemicalAnalysis of CopperAlloys
section produced from Copper Alloy UNS Nos. C36000 or
C36010 suitable for high-speed screw machining applications
3. General Requirements
and moderate thread rolling.
3.1 The following sections of Specifications B249/B249M
1.2 Units—Values stated in either SI units or inch-pound
(rod,bar,andshapes),andB250/B250M(wroughtcopperalloy
units are to be regarded separately as standard. The values
wire) constitute a part of this specification.
stated in each system may not be exact equivalents; therefore,
3.1.1 Terminology,
each system shall be used independently of the other. Combin-
3.1.2 Materials and Manufacture,
ing values from the two systems may result in non-
3.1.3 Workmanship, Finish, and Appearance,
conformance with the standard.
3.1.4 Sampling,
1.2.1 Within the text, SI units are shown in brackets.
3.1.5 Number of Tests and Retest,
1.3 This standard does not purport to address all of the
3.1.6 Specimen Preparation,
safety concerns, if any, associated with its use. It is the
3.1.7 Test Methods,
responsibility of the user of this standard to establish appro-
3.1.8 Significance of Numerical Limits,
priate safety and health practices and determine the applica-
3.1.9 Inspection,
bility of regulatory limitations prior to use.
3.1.10 Rejection and Rehearing,
3.1.11 Certification,
2. Referenced Documents
3.1.12 Mill Test Report,
2
2.1 ASTM Standards: 3.1.13 Packaging and Package Marking, and
3.1.14 Supplementary Requirements.
B249/B249M Specification for General Requirements for
Wrought Copper and Copper-Alloy Rod, Bar, Shapes and
3.2 In addition, when a section with a title identical to those
Forgings
referenced in 3.1 appears in this specification, it contains
B250/B250M Specification for General Requirements for
additional requirements that supplement those appearing in
Wrought Copper Alloy Wire
Specifications B249/B249M and B250/B250M.
B601 Classification forTemper Designations for Copper and
Copper Alloys—Wrought and Cast
4. Ordering Information
E8 Test Methods for Tension Testing of Metallic Materials
4.1 Include the following information when placing orders
E8M Test Methods forTensionTesting of Metallic Materials
for product under this specification, as applicable:
4.1.1 ASTM specification designation and year of issue
(B16/B16M – XX).
1
ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
4.1.2 Copper Alloy UNS No. designations (C36000 or
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
C36010, see Section 6 and Table 1). Unless otherwise
Bar, Wire, Shapes and Forgings.
specified, the alloy supplied will be C36000.
Current edition approved Oct. 1, 2010. Published November 2010. Originally
approved in 1917. Last previous edition approved in 2005 as B16/B16M – 05. DOI:
4.1.3 Temper (see Section 7 and Tables 2-5).
10.1520/B0016_B0016M-10.
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 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
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
B16/B16M − 10
TABLE 1 Chemical Requirements
established for the elements not cited. Percentage content of
Copper Alloy UNS No. C36000 and C36010
elements shown as “remainder” (rem.) is calculated by differ-
Element Composition, %
ence.
Copper Alloy UNS No.
6.3 When all elements in Table 1 are analyzed, their sum
C36000 C36010
shall be 99.5 % min.
Copper 60.0 - 63.0 60.0 – 63.0
Lead 2.5 - 3.0 3.1 – 3.7
7. Temper
Iron, max 0.35 0.35
Zinc Remainder Remainder
7.1 Tempers, as defined in Practice B601, identified in
Tables 2-5 for product produced under this specification, are as
follows:
4.1.4 Prod
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:B16/B16M–05 Designation: B16/B16M – 10
Standard Specification for
Free-Cutting Brass Rod, Bar and Shapes for Use in Screw
1
Machines
This standard is issued under the fixed designation B16/B16M; 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 Department of Defense.
1. Scope*
1.1 This specification establishes the requirements for free-cutting brass rod, bar, wire, and shapes of any specified cross section
produced from Copper Alloy UNS Nos. C36000 or C36010 suitable for high-speed screw machining applications and moderate
thread rolling.
1.2 Units—Values stated in either inch-poundSI units or SIinch-pound units are to be regarded separately as standard. Within
thetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshall
be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.2.1 Within the text, SI units are shown in brackets.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
B249/B249M Specification for General Requirements for Wrought Copper and Copper-Alloy Rod, Bar, Shapes and Forgings
B250/B250M Specification for General Requirements for Wrought Copper Alloy Wire
B601 Classification for Temper Designations for Copper and Copper AlloysWrought and Cast
E8 Test Methods for Tension Testing of Metallic Materials
E8M Test Methods for Tension Testing of Metallic Materials [Metric]
E18 Test Methods for Rockwell Hardness of Metallic Materials
E478 Test Methods for Chemical Analysis of Copper Alloys
3. General Requirements
3.1 ThefollowingsectionsofSpecificationsB249/B249M(rod,bar,andshapes),andB250/B250M(wroughtcopperalloywire)
constitute a part of this specification.
3.1.1 Terminology,
3.1.2 Materials and Manufacture,
3.1.3 Workmanship, Finish, and Appearance,
3.1.4 Sampling,
3.1.5 Number of Tests and Retest,
3.1.6 Specimen Preparation,
3.1.7 Test Methods,
3.1.8 Significance of Numerical Limits,
3.1.9 Inspection,
3.1.10 Rejection and Rehearing,
3.1.11 Certification,
3.1.12 Mill Test Report,
1
This specification is under the jurisdiction ofASTM Committee B05 on Copper and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,
Wire, Shapes and Forgings.
Current edition approved MarchOct. 1, 2005.2010. Published March 2005.November 2010. Originally approved in 1917. Last previous edition approved in 20002005 as
B16–00.B16/B16M – 05. DOI: 10.1520/B0016_B0016M-105.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
*ASummary 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
---------------------- Page: 1 ----------------------
B16/B16M – 10
3.1.13 Packaging and Package Marking, and
3.1.14 Supplementary Requirements.
3.2 In addition, when a section with a title identical to those referenced in 3.1 appears in this specification, it contains additional
requirements that supplement those appearing in Specifications B249/B249M and B250/B250M.
4. Ordering Information
4.1 Include the following information when placing orders for product under this specification, as applicable:
4.1.1 ASTM specification designation and year of issue (B16/B16M – XX).
4.1.2Copper Alloy UNS No. designation (C36000, see Section
4.1.2 CopperAlloyUNSNo.designations(C36000orC36010,seeSection6andTable1).Unlessotherwisespecified,thealloy
TABLE 1 Chemical Requirements
Copper Alloy UNS No. C36000 and C36010
Element Composition, %
Copper Alloy UNS No.
C36000 C36010
Copper 60.0 - 63.0
Copper 60.0 - 63.0 60.0 – 63.0
Lead 2.5 - 3.0 3.1–3.7
Iron, max 0.35
Iron, max 0.35 0.35
Zinc r emainder
Zinc Remainder Remainder
supplied will be C36000.
4.1.3 Temper (see Section 7 and Tables 2-5).
4.1.4
...
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