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ASTM B595-95(2000)

(Specification)

Standard Specification for Sintered Aluminum Structural Parts

Standard Specification for Sintered Aluminum Structural Parts

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.

General Information

Status
Historical
Publication Date
09-Oct-1995
ICS
77.150.10 - Aluminium products
Technical Committee
B09 - Metal Powders and Metal Powder Products
Drafting Committee
B09.05 - Structural Parts
Current Stage
Ref Project

Relations

Replaces
ASTM B595-95e1 - Standard Specification for Sintered Aluminum Structural Parts
Effective Date
10-Oct-1995
Replaced By
ASTM B595-95(2006) - Standard Specification for Sintered Aluminum Structural Parts
Effective Date
01-Apr-2006
Referred By
ASTM B925-15(2022) - Standard Practices for Production and Preparation of Powder Metallurgy (PM) Test Specimens
Effective Date
10-Oct-1995

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ASTM B595-95(2000) - Standard Specification for Sintered Aluminum Structural PartsASTM B595-95(2000) - Standard Specification for Sintered Aluminum Structural Parts
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ASTM B595-95(2000) - Standard Specification for Sintered Aluminum 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: B 595 – 95 (Reapproved 2000)
Standard Specification for
Sintered Aluminum Structural Parts
This standard is issued under the fixed designation B 595; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4.1.2 Chemical composition (see 6.1),
4.1.3 Density (see 7.1),
1.1 This specification covers sintered aluminum structural
4.1.4 State of heat treatment,
parts made primarily from aluminum powders to which con-
4.1.5 Mechanical property requirements (see 8.1), and
trolled amounts of master alloys or elemental copper, magne-
4.1.6 Certification (see 14.1).
sium, and silicon have been added by blending.
1.2 This specification covers the following variables:
5. Materials and Manufacture
1.2.1 Composition—Dependinguponlevelsofcopper,mag-
5.1 Structural parts shall be made by molding and sintering
nesium, and silicon content, two grades, and
metal powders to produce finished parts conforming to the
1.2.2 Density—Type.
requirements of this specification.
1.3 Parts ordered to this specification will be in one of the
following conditions:
6. Chemical Composition
1.3.1 As-sintered,
6.1 The material shall conform to the requirements of Table
1.3.2 As-repressed for additional density, or
1.
1.3.3 All other conditions plus heat treated.
6.2 The chemical analysis shall be made in accordance with
1.4 The values stated in SI units are to be regarded as the
the methods prescribed in the latest edition of the Annual Book
standard. The values given in parentheses are for information
of ASTM Standards, Vol 03.05, or any other approved method
only.
agreed upon between the manufacturer and the purchaser.
2. Referenced Documents
7. Density
2.1 ASTM Standards:
2 7.1 The parts shall conform to the density range prescribed
B 243 Terminology of Powder Metallurgy
in Table 2.
B 328 Test Method for Density, Oil Content, and Intercon-
7.2 The density shall be measured in accordance with Test
nected Porosity of Sintered Metal Structural Parts and
Method B 328.
Oil-Impregnated Bearings
3 7.3 If the density does not vary more than 0.1 g/cm from
E 8 Test Methods forTensionTesting of Metallic Materials
one section of the structural part to any other section, the
3. Terminology overall density shall fall within the limits prescribed inTable 2.
7.4 If the density varies more than 0.1 g/cm from one
3.1 Definitions—Definitions of powder metallurgy terms
section of the structural part to any other section, the manu-
can be found in Terminology B 243. Additional descriptive
facturer and the purchaser shall agree upon a critical section of
information is available in the Related Material Section of
the part where the stresses are the highest. The density of this
Volume 02.05 of the Annual Book of ASTM Standards.
critical section rather than the average density shall fall within
4. Ordering Information the limits prescribed in Table 2.
4.1 Orders for material to this specification shall include the
8. Mechanical Properties
following information:
8.1 The manufacturer and the purchaser shall agree on
4.1.1 Dimensions (see 9.1),
qualification tests for the determination of mechanical proper-
ties.
This specification is under the jurisdiction of ASTM Committee B09 on Metal 8.2 These tests shall be performed on production parts.
Powders and Metal Powder Products and is the direct responsibility of Subcom-
8.3 These tests shall be determined after consideration of
mittee B09.05 on Structural Parts.
the function of the part.
Current edition approved October. 10, 1995. Published December 1995. Origi-
8.4 The limits and sampling plan shall be agreed upon
nallypublishedasB 595 – 73.DiscontinuedJune1991andreinstatedasB 595 – 95.
Annual Book of ASTM Standards, Vol 02.05.
between the manufacturer and purchaser.
Annual Book of ASTM Standards, Vol 03.01.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
B 595
TABLE 1 Chemical Requirements
11.2 Chemical Analysis—If required by purchase agree-
Composition, % ment, at least one sample for chemical analysis shall be taken
Element
A A
from each lot. A representative sample of chips may be
AXX-6061 ACXX-2014
obtained by dry milling, drilling or crushing at least two pieces
Copper 0.5 max 3.5–5.0
Magnesium 0.4–1.2 0.2–0.8 with clean dry tools without lubrication. In order to obtain
Silicon 0.2–0.8 1.2 max
oil-free chips, the parts selected for test shall have the oil
Aluminum, min 96.0 91.5
extracted in accordance with Test Method B 328, if necessary.
Total of other elements, 1.5 1.5
determined by difference, 11.3 Mechanical Tests—The manufacturer and purchaser
max
shall agree on a representative number of specimens for
A
An “XX” denotes position of thermal condition designation.
mechanical tests.
12. Inspection
TABLE 2 Density
12.1 Unless otherwise specified, inspection of parts sup-
Type Dry Density, g/cm
plied on contract shall be made by the purchaser.
I 2.30 to 2.45
II 2.45 to 2.60
III 2.60 min 13. Rejection and Rehearing
13.1 Parts that fail to conform to the requirements of this
...

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1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.  
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1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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