ASTM B595-95(2006)
(Specification)Standard Specification for Sintered Aluminum Structural Parts
Standard Specification for Sintered Aluminum Structural Parts
ABSTRACT
This specification covers sintered aluminium structural parts made primarily from aluminum powders to which controlled amounts of master alloys or elemental copper, magnesium, and silicon have been added by blending. Structural parts shall be made by molding and sintering metal powders to produce finished parts conforming to the requirements of this specification. Chemical composition of copper, magnesium, and silicon content, as well as the density of the material shall conform to the requirements specified. Tests for the determination of the mechanical properties such as ultimate tensile strength, tensile yield strength, elongation and apparent Rockwell hardness of the material shall be performed.
SCOPE
1.1 This specification covers sintered aluminum structural parts made primarily from aluminum powders to which controlled amounts of master alloys or elemental copper, magnesium, and silicon have been added by blending.
1.2 This specification covers the following variables:
1.2.1 Composition— Depending upon levels of copper, magnesium, and silicon content, two grades, and
1.2.2 Density—Type.
1.3 Parts ordered to this specification will be in one of the following conditions:
1.3.1 As-sintered,
1.3.2 As-repressed for additional density, or
1.3.3 All other conditions plus heat treated.
1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: B595 – 95 (Reapproved 2006)
Standard Specification for
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Sintered Aluminum Structural Parts
This standard is issued under the fixed designation B595; 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.
1. Scope 4. Ordering Information
1.1 This specification covers sintered aluminum structural 4.1 Orders for material to this specification shall include the
parts made primarily from aluminum powders to which con- following information:
trolled amounts of master alloys or elemental copper, magne- 4.1.1 Dimensions (see 9.1),
sium, and silicon have been added by blending. 4.1.2 Chemical composition (see 6.1),
1.2 This specification covers the following variables: 4.1.3 Density (see 7.1),
1.2.1 Composition—Dependinguponlevelsofcopper,mag- 4.1.4 State of heat treatment,
nesium, and silicon content, two grades, and 4.1.5 Mechanical property requirements (see 8.1), and
1.2.2 Density—Type. 4.1.6 Certification (see 14.1).
1.3 Parts ordered to this specification will be in one of the
5. Materials and Manufacture
following conditions:
1.3.1 As-sintered, 5.1 Structural parts shall be made by molding and sintering
metal powders to produce finished parts conforming to the
1.3.2 As-repressed for additional density, or
1.3.3 All other conditions plus heat treated. requirements of this specification.
1.4 The values stated in SI units are to be regarded as the
6. Chemical Composition
standard. The values given in parentheses are for information
6.1 The material shall conform to the requirements of Table
only.
1.
2. Referenced Documents
6.2 The chemical analysis shall be made in accordance with
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the methods prescribed in the latest edition of the Annual Book
2.1 ASTM Standards:
B243 Terminology of Powder Metallurgy of ASTM Standards, Vol 03.05, or any other approved method
B328 Test Method for Density, Oil Content, and Intercon- agreed upon between the manufacturer and the purchaser.
nected Porosity of Sintered Metal Structural Parts and
7. Density
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Oil-Impregnated Bearings
7.1 The parts shall conform to the density range prescribed
E8 Test Methods for Tension Testing of Metallic Materials
in Table 2.
3. Terminology
7.2 The density shall be measured in accordance with Test
Method B328.
3.1 Definitions—Definitions of powder metallurgy terms
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can be found in Terminology B243. Additional descriptive 7.3 If the density does not vary more than 0.1 g/cm from
one section of the structural part to any other section, the
information is available in the Related Material Section of
Volume 02.05 of the Annual Book of ASTM Standards. overall density shall fall within the limits prescribed inTable 2.
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7.4 If the density varies more than 0.1 g/cm from one
section of the structural part to any other section, the manu-
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This specification is under the jurisdiction ofASTM Committee B09 on Metal
facturer and the purchaser shall agree upon a critical section of
Powders and Metal Powder Products and is the direct responsibility of Subcom-
mittee B09.05 on Structural Parts. the part where the stresses are the highest. The density of this
Current edition approved April 1, 2006. Published April 2006. Originally
critical section rather than the average density shall fall within
approved in 1973. Last previous edition approved in 2000 as B595 – 95 (2000).
the limits prescribed in Table 2.
DOI: 10.1520/B0595-95R06.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
8. Mechanical Properties
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
8.1 The manufacturer and the purchaser shall agree on
the ASTM website.
qualification tests for the determination of mechanical proper-
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Withdrawn. The last approved version of this historical standard is referenced
ties.
on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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B595 – 95 (2006)
TABLE 1 Chemical Requirements
the same composition molded and sintered under the same
Composition, % conditions and submitted for inspection at one time.
Element
A A
11.2 Chemical Analysis—If required by purchase agree-
AXX-6061 ACXX-2014
ment, at least one sample for chemical analysis shall be taken
Copper 0.5 max 3.5–5.0
Magnesium 0.4–1.2 0.2–0.8 from each lot. A representative sample of chips may be
Silicon 0.2–0.8 1.2 max
obtained by dry milling, drilling or crushing at least two pieces
Aluminum, min 96.0 91.5
with clean dry tools without lubrication. In
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