ASTM B283/B283M-18

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Designation:B283/B283M −18
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*
C87700 silicon bronze
C87710 silicon bronze
1.1 This specification establishes the requirements for cop-
1.2 Units—The values stated in either SI units or inch-
per and copper alloy die forgings produced by the hot pressing
pound units are to be regarded separately as standard. The
method. The following copper and copper alloys are included:
values stated in each system may not be exact equivalents;
Copper or Copper Alloy UNS No. Name
therefore,eachsystemshallbeusedindependentlyoftheother.
C11000 copper
C14500 copper-tellurium Combining values from the two systems may result in non-
C14700 copper-sulfur
conformance with the standard.
C27450 plumbing brass
NOTE 1—Nominal composition and relative forgeability ratings are
C27451 plumbing brass
given in Appendix X1. Copper-nickel alloys C70620 and C71520 are
C27453 copper zinc alloy
intended for welded applications with seawater exposure.
C28500 copper-zinc brass
C35330 leaded brass NOTE 2—Guidelines for design and development of forgings are
C36500 leaded Muntz metal included in Appendix X2.
C37000 free-cutting Muntz metal
NOTE 3—Wrought product intended for hot forging is described in
C37700 forging brass
Specification B124/B124M.
C46400 naval brass
1.3 The following safety caveat pertains only to Section 10
C46500 naval brass, arsenical
C46750 tin brass
of this specification. This standard does not purport to address
C48200 medium leaded naval brass
all of the safety concerns, if any, associated with its use. It is
C48500 leaded naval brass
the responsibility of the user of this standard to establish
C48600 naval brass
C48640 DZR brass
appropriate safety, health, and environmental practices and
C49250 copper-zinc-bismuth alloy
determine the applicability of regulatory limitations prior to
C49255 copper-zinc-bismuth-nickel alloy
use.
C49260 copper-zinc-bismuth alloy
C49265 copper-zinc-tin-bismuth, low leaded
1.4 This international standard was developed in accor-
C49300 copper-zinc-tin-bismuth alloy
dance with internationally recognized principles on standard-
C49340 copper-zinc-tin-bismuth alloy
ization established in the Decision on Principles for the
C49345 copper-zinc-tin-bismuth, low leaded
C49350 copper-zinc-tin-bismuth alloy
Development of International Standards, Guides and Recom-
C49355 bismuth brass
mendations issued by the World Trade Organization Technical
C61900 aluminum bronze
Barriers to Trade (TBT) Committee.
C62300 aluminum bronze, 9 %
C63000 aluminum-nickel bronze
C63200 aluminum-nickel bronze
2. Referenced Documents
C64200 aluminum-silicon bronze
2
C64210 aluminum-silicon bronze, 6.7 %
2.1 ASTM Standards:
C65500 high-silicon bronze (A)
B124/B124MSpecification for Copper and Copper Alloy
C65680 high-silicon bronze
Forging Rod, Bar, and Shapes
C67500 manganese bronze (A)
C67600 . . . B249/B249MSpecification for General Requirements for
C69300 copper-zinc-silicon
Wrought Copper and Copper-Alloy Rod, Bar, Shapes and
C70620 copper-nickel 90-10
Forgings
C71520 copper-nickel 70-30
C77400 nickel silver, 45-10
B846Terminology for Copper and Copper Alloys
E8/E8MTest Methods for Tension Testing of Metallic Ma-
terials
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
2
Bar, Wire, Shapes and Forgings. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved March 1, 2018. Published April 2018. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1953. Last previous edition approved in 2017 as B283/B283M–17a. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/B0283_B0283M-18. the ASTM website.
*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
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B283/B283M−18
E62Test Methods for Chemical Analysis of Copper and 5. Ordering Information
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CopperAlloys(PhotometricMethods)(Withdrawn2010)
5.1 Include the following information when placing orders
E75Test Methods for Chemical Analysis of Copper-Nickel
for products to this specification, as applic
...