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ASTM B823-09

(Specification)

Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts

Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts

SCOPE
1.1 This specification covers a variety of copper base powder metallurgy (PM) structural materials, including those used in applications where high electrical conductivity is required. It includes a classification system, or material designation code. With the classification system, this specification includes chemical composition and minimum tensile yield strength.  
Note 1—Paragraphs 6.1 and 8.1 govern material classification by the designation code. The classification system is explained in the Appendix.  
Note 2—Materials classified as C-0000 are expected to be used in applications where high electrical conductivity is required.  
1.2 With the exception of density values, for which the g/cm3 unit is the industry standard, the values stated in inch-pound units are to be regarded as the standard. The stated SI values are converted in accordance with IEEE/ASTM SI 10 and are for information only.

General Information

Status
Historical
Publication Date
30-Sep-2009
ICS
77.120.01 - Non-ferrous metals in general
77.160 - Powder metallurgy
Technical Committee
B09 - Metal Powders and Metal Powder Products
Drafting Committee
B09.05 - Structural Parts
Current Stage
Ref Project

Relations

Replaces
ASTM B823-01 - Standard Specification for Materials for Nonferrous Powder Metallurgy (P/M) Structural Parts
Effective Date
01-Oct-2009
Replaced By
ASTM B823-15 - Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts
Effective Date
01-Oct-2015
Referred By
ASTM B925-15(2022) - Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
Effective Date
01-Oct-2009

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ASTM B823-09 - Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural PartsASTM B823-09 - Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts
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ASTM B823-09 - Standard Specification for Materials for Copper Base Powder Metallurgy (PM) Structural Parts
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:B823 −09
StandardSpecification for
Materials for Copper Base Powder Metallurgy (PM)
1
Structural Parts
This standard is issued under the fixed designation B823; 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.
1. Scope* Powder Metallurgy (PM) Products Using Archimedes’
Principle
1.1 This specification covers a variety of copper base
E8Test Methods for Tension Testing of Metallic Materials
powder metallurgy (PM) structural materials, including those
E29Practice for Using Significant Digits in Test Data to
used in applications where high electrical conductivity is
Determine Conformance with Specifications
required. It includes a classification system, or material desig-
nation code. With the classification system, this specification 2.2 IEEE/ASTM Standard:
SI 10American National Standard for Use of the Interna-
includes chemical composition and minimum tensile yield
strength. tional System of Units (SI): The Modern Metric System
2.3 MPIF Standard:
NOTE 1—Paragraphs 6.1 and 8.1 govern material classification by the
designation code. The classification system is explained in theAppendix. MPIF Standard35,Materials Standards for PM Structural
4
NOTE 2—Materials classified as C-0000 are expected to be used in
Parts
applications where high electrical conductivity is required.
1.2 With the exception of density values, for which the 3. Terminology
3
g/cm unit is the industry standard, the values stated in
3.1 Definitions—Definitions of powder metallurgy terms
inch-pound units are to be regarded as the standard.The stated
can be found in Terminology B243. Additional descriptive
SI values are converted in accordance with IEEE/ASTM SI 10
information is available in the Related Materials section ofVol
and are for information only.
02.05 of the Annual Book of ASTM Standards.
2. Referenced Documents
4. Ordering Information
2
2.1 ASTM Standards:
4.1 Materials for parts covered by this specification shall be
B243Terminology of Powder Metallurgy
ordered by materials designation code.
B715Specification for Sintered Copper Structural Parts for
3 4.2 Ordersforpartsunderthisspecificationmayincludethe
Electrical Conductivity Applications (Withdrawn 2010)
following information:
B925Practices for Production and Preparation of Powder
4.2.1 Certification, if required (see Section 13),
Metallurgy (PM) Test Specimens
4.2.2 Dimensions (see Section 9),
B962Test Methods for Density of Compacted or Sintered
4.2.3 Chemical composition (see 6.1, 10.1, and Table 1),
Powder Metallurgy (PM) Products Using Archimedes’
4.2.4 Test methods and mechanical properties (see 8.2 , 8.3,
Principle
Table 2, and Table X1.1),
B963 Test Methods for Oil Content, Oil-Impregnation
4.2.5 Density (see 7.1 and Table 3),
Efficiency, and Surface-Connected Porosity of Sintered
4.2.6 Porosity and oil content (see 7.3),
4.2.7 Electrical properties (see 7.3 and Table Table X2.1),
and
1
This test method is under the jurisdiction of ASTM Committee B09 on Metal
4.2.8 Special packaging, if required.
Powders and Metal Powder Productsand is the direct responsibility of Subcommit-
tee B09.05 on Structural Parts.
5. Materials and Manufacture
Current edition approved Oct. 1, 2009. Published February 2010. Originally
approved in 1992. Last previous edition approved in 2001 as B823–01. DOI:
5.1 Structural parts shall be made by compacting and
10.1520/B0823-09.
2
sinteringmetalpowders.Partsmayalsobemadebyrepressing
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 ASTM website.
3 4
The last approved version of this historical standard is referenced on Available from Metal Powder Industries Federation (MPIF), 105 College Rd.
www.astm.org. East, Princeton, NJ 08540, http://www.mpif.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 ----------------------
B823−09
TABLE 1 Chemical Requirements TABLE 3 Density Requirements for High Electrical Conductivity
Applications
A,B
Chemical Composition, %
Material
3A
Material Designation Code Dry Density, g/cm
Designation
Cu Zn Pb Sn Ni
C-0000–5 7.8 to 8.3
C-0000 99.8 min
C-0000–7 8.3 min
100 max
A
For the purpose of determining conformance with this specification, measured
CZ-1000 88.0 Bal. . . . . . . . . . min
values shall be rounded “to the nearest unit” in the last right-hand digit used in
91.0 Ba
...

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