Standard Specification for Aluminum-Alloy Die Castings

SCOPE
1.1 This specification covers aluminum-alloy die castings. Ten alloy compositions are specified, designated as shown in Table 1.
1.2 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A2.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units which are provided for information only and are not considered standard.

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ASTM B85-02 - Standard Specification for Aluminum-Alloy Die Castings
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 85 – 02
Standard Specification for
1
Aluminum-Alloy Die Castings
This standard is issued under the fixed designation B 85; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope * E 227 Test Method for Optical Emission Spectrometric
Analysis of Aluminum and Aluminum Alloys by the
1.1 This specification covers aluminum-alloy die castings.
6
Point-to-Plane Technique
Ten alloy compositions are specified, designated as shown in
E 505 Reference Radiographs for Inspection of Aluminum
Table 1.
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and Magnesium Die Castings
1.2 For acceptance criteria for inclusion of new aluminum
8
E 527 Practice for Numbering Metals and Alloys (UNS)
and aluminum alloys and their properties in this specification,
E 607 Test Method for Optical Emission Spectrometric
see Annex A1 and Annex A2.
Analysis of Aluminum and Aluminum Alloys by the
1.3 The values stated in inch-pound units are to be regarded
6
Point-to-Plane Technique, Nitrogen Atmosphere
as standard. The values given in parentheses are mathematical
E 716 Practices for Sampling Aluminum and Aluminum
conversions to SI units which are provided for information
6
Alloys for Spectrochemical Analysis
only and are not considered standard.
E 1251 Test Method for Optical Emission Spectrometric
2. Referenced Documents Analysis of Aluminum and Aluminum Alloys by the Argon
Atmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-
2.1 The following documents of the issue in effect on date
6
pacitor Discharge
of order acceptance form a part of this specification to the
2.3 ANSI Standard:
extent referenced herein:
H35.1 Alloy and Temper Designation Systems for Alumi-
2.2 ASTM Standards:
9
num
B 179 Specification for Aluminum Alloys in Ingot Form for
2
2.4 NADCA Product Specification Standards for Die Cast-
Castings from all Casting Processes
ings:
B 275 Practice for Codification of Certain Nonferrous Met-
2
Standards S-4-1-94 to S-4-1-8-94, P-4-1-94 to P-4-1-7-94,
als and Alloys, Cast and Wrought
10
S/P-4-9-94, and G–6-1-94 to G-6-7-94
B 660 Practices for Packaging/Packing of Aluminum and
2
2.5 Federal Standards:
Magnesium Products
11
3
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
D 3951 Practice for Commercial Packaging
4
Fed. Std. No. 184 Identification Marking of Aluminum,
E 8 Test Methods for Tension Testing of Metallic Materials
11
Magnesium and Titanium
E 23 Test Methods for Notched Bar Impact Testing of
4
2.6 Military Standard:
Metallic Materials
MIL-STD-129 Marking for Shipment and Storage (Military
E 29 Practice for Using Significant Digits in Test Data to
11
5
Agencies)
Determine Conformance with Specifications
E 34 Test Methods for Chemical Analysis of Aluminum and
3. Terminology
6
Aluminum-Base Alloys
3.1 Definitions:
E 88 Practice for Sampling Nonferrous Metals and Alloys
6 3.1.1 die casting—a metal object produced by the introduc-
in Cast Form for Determination of Chemical Composition
tion of molten metal under substantial pressure into a metal die
and characterized by a high degree of fidelity to the die cavity.
1
This specification is under the jurisdiction of ASTM Committee B07 on Light
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
7
Aluminum Alloy Ingots and Castings. Annual Book of ASTM Standards, Vol 03.03.
8
Current edition approved Apr. 10, 2002. Published June 2002. Originally Annual Book of ASTM Standards, Vol 01.01.
9
published as B 85 – 31 T. Last previous edition B 85 – 99. Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
2
Annual Book of ASTM Standards, Vol 02.02. 4th Floor, New York, NY 10036.
3 10
Annual Book of ASTM Standards, Vol 15.09. Available from North American Die Casting Association (NADCA), 9701 W.
4
Annual Book of ASTM Standards, Vol 03.01. Higgins Rd., Suite 880, Rosemont, IL 60018–4721.
5 11
Annual Book of ASTM Standards, Vol 14.02. Available from Standardization Documents Order Desk, Bldg. 4, Section D,
6
Annual Book of ASTM Standards, Vol 03.05. 700 Robbins Ave., Philadelphia, PA 19111-5098, Attn: NPODS.
*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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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B85
A,B,C
TABLE 1 Chemical Requirements
D
Alloy Composition %
Other
Cons
...

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