ASTM B283/B283M-17

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Designation:B283/B283M −17
Standard Specification for
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Copper and Copper-Alloy Die Forgings (Hot-Pressed)
This standard is issued under the fixed designation B283/B283M; 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.
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* 1.2 Units—The values stated in either SI units or inch-
pound units are to be regarded separately as standard. The
1.1 This specification establishes the requirements for cop-
values stated in each system may not be exact equivalents;
per and copper alloy die forgings produced by the hot pressing
therefore,eachsystemshallbeusedindependentlyoftheother.
method. The following copper and copper alloys are included:
Combining values from the two systems may result in non-
Copper or Copper Alloy
conformance with the standard.
UNS No. Name
C11000 copper NOTE 1—Nominal composition and relative forgeability ratings are
C14500 copper-tellurium
given in Appendix X1. Copper-nickel alloys C70620 and C71520 are
C14700 copper-sulfur
intended for welded applications with seawater exposure.
C27450 plumbing brass
NOTE 2—Guidelines for design and development of forgings are
C27451 plumbing brass
included in Appendix X2.
C27453 copper zinc alloy
C28500 copper-zinc brass NOTE 3—Wrought product intended for hot forging is described in
C35330 leaded brass
Specification B124/B124M.
C36500 leaded Muntz metal
1.3 The following safety caveat pertains only to Section 10
C37000 free-cutting Muntz metal
C37700 forging brass
of this specification. This standard does not purport to address
C46400 naval brass
all of the safety concerns, if any, associated with its use. It is
C46750 tin brass
the responsibility of the user of this standard to establish
C48200 medium leaded naval brass
C48500 leaded naval brass
appropriate safety and health practices and determine the
C48600 naval brass
applicability of regulatory limitations prior to use.
C49250 copper-zinc-bismuth alloy
C49255 copper-zinc-bismuth-nickel alloy
1.4 This international standard was developed in accor-
C49260 copper-zinc-bismuth alloy
dance with internationally recognized principles on standard-
C49265 copper-zinc-tin-bismuth, low leaded
ization established in the Decision on Principles for the
C49300 copper-zinc-tin-bismuth alloy
C49340 copper-zinc-tin-bismuth alloy
Development of International Standards, Guides and Recom-
C49345 copper-zinc-tin-bismuth, low leaded
mendations issued by the World Trade Organization Technical
C49350 copper-zinc-tin-bismuth alloy
Barriers to Trade (TBT) Committee.
C49355 bismuth brass
C61900 aluminum bronze
C62300 aluminum bronze, 9 %
2. Referenced Documents
C63000 aluminum-nickel bronze
C63200 aluminum-nickel bronze 2
2.1 ASTM Standards:
C64200 aluminum-silicon bronze
B124/B124MSpecification for Copper and Copper Alloy
C64210 aluminum-silicon bronze, 6.7 %
C65500 high-silicon bronze (A)
Forging Rod, Bar, and Shapes
C67500 manganese bronze (A)
B249/B249MSpecification for General Requirements for
C67600 . . .
Wrought Copper and Copper-Alloy Rod, Bar, Shapes and
C69300 copper-zinc-silicon
C70620 copper-nickel 90-10
Forgings
C71520 copper-nickel 70-30
B846Terminology for Copper and Copper Alloys
C77400 nickel silver, 45-10
E8/E8MTest Methods for Tension Testing of Metallic Ma-
C87700 silicon bronze
C87710 silicon bronze
terials
E62Test Methods for Chemical Analysis of Copper and
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
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Bar, Wire, Shapes and Forgings. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved April 1, 2017. Published April 2017. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1953. Last previous edition approved in 2016 as B283/B283M–16a. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/B0283_B0283M-17. the ASTM website.
*A Summary of Changes section appears at the end of this standard
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B283/B283M−17
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CopperAlloys(PhotometricMethods)(Withdrawn2010) 5. Ordering Information
E75Test Methods for Chemical Analysis of Copper-Nickel
5.1 Include the following information when placing orders
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and Copper-Nickel-Zinc Alloys (Withdrawn 2010)
for products to this specification, as applicable:
E478Test Methods for ChemicalAnalys
...