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 B85-99 - Standard Specification for Aluminum-Alloy Die Castings
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 85 – 99
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
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 Analysis of Aluminum and Aluminum Alloys by the
5
Point-to-Plane Technique
1.1 This specification covers aluminum-alloy die castings.
E 505 Reference Radiographs for Inspection of Aluminum
Ten alloy compositions are specified, designated as shown in
7
and Magnesium Die Castings
Table 1.
8
E 527 Practice for Numbering Metals and Alloys (UNS)
1.2 For acceptance criteria for inclusion of new aluminum
E 607 Test Method for Optical Emission Spectrometric
and aluminum alloys and their properties in this specification,
Analysis of Aluminum and Aluminum Alloys by the
see Annex A1 and Annex A2.
9
Point-to-Plane Technique, Nitrogen Atmosphere
1.3 The values stated in inch-pound units are to be regarded
E 716 Practices for Sampling Aluminum and Aluminum
as the standard. The values given in parentheses are for
9
Alloys for Spectrochemical Analysis
information only.
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
9
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:
2
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
als and Alloys, Cast and Wrought
2
P-4–1–7–94, 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
10
3
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
E 8 Test Methods for Tension Testing of Metallic Materials
Fed. Std. No. 184 Identification Marking of Aluminum,
E 23 Test Methods for Notched Bar Impact Testing of
10
3
Magnesium and Titanium
Metallic Materials
2.6 Military Standard:
E 29 Practice for Using Significant Digits in Test Data to
4
MIL-STD-129 Marking for Shipment and Storage (Military
Determine Conformance with Specifications
10
Agencies)
E 34 Test Methods for Chemical Analysis of Aluminum and
5
Aluminum-Base Alloys
3. Terminology
E 88 Practice for Sampling Nonferrous Metals and Alloys
5
3.1 Definitions:
in Cast Form for Determination of Chemical Composition
3.1.1 die casting—a metal object produced by the introduc-
E 101 Test Method for Spectrographic Analysis of Alumi-
tion of molten metal under substantial pressure into a metal die
num and Aluminum Alloys by the Point-to-Plane Tech-
6 and characterized by a high degree of fidelity to the die cavity.
nique
E 227 Test Method for Optical Emission Spectrometric
4. Ordering Information
4.1 Orders for material under this specification shall include
1
This specification is under the jurisdiction of ASTM Committee B-7 on Light
the following information:
Metals and Alloys, and is the direct responsibility of Subcommittee B07.01 on
4.1.1 This specification designation (which includes the
Aluminum Alloy Ingots and Castings.
Current edition approved May 10, 1999. Published July 1999. Originally
published as B 85 – 31 T. Last previous edition B 85 – 96.
2 7
Annual Book of ASTM Standards, Vol 02.02. Annual Book of ASTM Standards, Vol 03.03.
3 8
Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 01.01.
4 9
Annual Book of ASTM Standards, Vol 14.02. Annual Book of ASTM Standards, Vol 03.06.
5 10
Annual Book of ASTM Standards, Vol 03.05. Available from Standardization Documents Order Desk, Bldg. 4, Section D,
6
Discontinued. See 1995 Annual Book of ASTM Standards, Vol 03.05. 700 Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
1

---------------------- Page: 1 ----------------------
B85
A,B,C
TABLE 1 Chemical Requirements
D
Alloy Composition %
Other
Constituents,
ANSI ASTM UNS Silicon Iron Copper ManganeseMagnesium Nickel Zinc Tin Titanium Except Aluminum
Aluminum
(Total)
360.0 SG100B A03600 9.0–10.0 2.0 0.6 0.35 0.40–0.6 0.50 0.50 0.15 . 0.25 remainder
A3
...

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