ASTM B85/B85M-09
(Specification)Standard Specification for Aluminum-Alloy Die Castings
Standard Specification for Aluminum-Alloy Die Castings
ABSTRACT
This specification covers aluminum-alloy die castings of all compositions. Unless otherwise specified, only aluminum alloy conforming to the requirements of Specification B 179 or producer's foundry scrap shall be used in the remelting furnace from which molten metal is taken for pouring directly into castings. Additions of small amounts of modifiers and grain refining elements or alloys are permitted. Pure materials, recycled materials, and master alloys and material not conforming to Specification B 179 may be used to make alloys conforming to this specification, provided chemical analysis can be taken and adjusted to conform to the chemical requirements prior to pouring any castings. The castings shall be supplied such that they can be laid out and machined to the final dimensions specified on the blueprints or drawings.
SCOPE
1.1 This specification covers aluminum-alloy die castings of all compositions. Thirteen of the most commonly die cast alloy compositions are specified, designated as shown in Table 1.
1.2 This specification is not intended for aluminum-alloy die castings used in aerospace applications.
1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M). The equivalent unified numbering system alloy designations are in accordance with Practice E 527.
1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.
1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A2.
1.6 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory requirements prior to use.
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Designation: B85/B85M – 09
Standard Specification for
1
Aluminum-Alloy Die Castings
This standard is issued under the fixed designation B85/B85M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope* Molten Forms for Castings from All Casting Processes
B275 Practice for Codification of Certain Nonferrous Met-
1.1 Thisspecificationcoversaluminum-alloydiecastingsof
als and Alloys, Cast and Wrought
all compositions.Thirteen of the most commonly die cast alloy
B557 Test Methods for Tension Testing Wrought and Cast
compositions are specified, designated as shown in Table 1.
Aluminum- and Magnesium-Alloy Products
1.2 This specification is not intended for aluminum-alloy
B557M TestMethodsforTensionTestingWroughtandCast
die castings used in aerospace applications.
Aluminum- and Magnesium-Alloy Products (Metric)
1.3 Alloy and temper designations are in accordance with
B660 Practices for Packaging/Packing of Aluminum and
ANSI H35.1/H35.1(M). The equivalent unified numbering
Magnesium Products
system alloy designations are in accordance with Practice
B881 TerminologyRelatingtoAluminum-andMagnesium-
E527.
Alloy Products
1.4 Unless the order specifies the “M” specification desig-
D3951 Practice for Commercial Packaging
nation, the material shall be furnished to the inch-pound units.
E8 Test Methods for Tension Testing of Metallic Materials
1.5 For acceptance criteria for inclusion of new aluminum
E8M Test Methods for Tension Testing of Metallic Materi-
and aluminum alloys and their properties in this specification,
3
als [Metric]
see Annex A1 and Annex A2.
E23 Test Methods for Notched Bar Impact Testing of
1.6 Units—The values stated in either SI units or inch-
Metallic Materials
pound units are to be regarded separately as standard. The
E29 Practice for Using Significant Digits in Test Data to
values stated in each system may not be exact equivalents;
Determine Conformance with Specifications
therefore,eachsystemshallbeusedindependentlyoftheother.
E34 Test Methods for ChemicalAnalysis ofAluminum and
Combining values from the two systems may result in non-
Aluminum-Base Alloys
conformance with the standard.
E505 Reference Radiographs for Inspection of Aluminum
1.7 This standard does not purport to address all of the
and Magnesium Die Castings
safety concerns, if any, associated with its use. It is the
E527 Practice for Numbering Metals and Alloys in the
responsibility of the user of this standard to establish appro-
Unified Numbering System (UNS)
priate safety and health practices and determine the applica-
E607 Test Method for Atomic Emission Spectrometric
bility of regulatory requirements prior to use.
Analysis Aluminum Alloys by the Point to Plane Tech-
2. Referenced Documents
nique Nitrogen Atmosphere
E716 Practices for Sampling Aluminum and Aluminum
2.1 The following documents of the issue in effect on date
Alloys for Spectrochemical Analysis
of order acceptance form a part of this specification to the
E1251 Test Method for Analysis of Aluminum and Alumi-
extent referenced herein:
2
num Alloys by Atomic Emission Spectrometry
2.2 ASTM Standards:
IEEE/ASTM SI 10 Standard for Use of the International
B179 Specification for Aluminum Alloys in Ingot and
System of Units (SI): The Modern Metric System
2.3 AMS Standard:
AMS-STD-184 Identification Marking of Aluminum, Mag-
1
This specification is under the jurisdiction of ASTM Committee B07 on Light
4
nesium and Titanium
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
2.4 ANSI Standard:
Aluminum Alloy Ingots and Castings.
Current edition approved May 1, 2009. Published June 2009. Originally
approved in 1931. Last previous edition approved in 2008 as B85/B85M – 08. DOI:
10.1520/B0085_B0085M-09.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Withdrawn. The last approved version of this historical standard is referenced
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM on www.astm.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from SAE AEROSPACE, 400 Commonwealth Dr., Warrendale, PA
the ASTM website. 15096-0001, http://aerospace.sae.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.
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B85/B85M – 09
A,B,C
TABLE 1 Chemical Requirements
D E
Designation Others
AA No. (old)
F
UNS Si
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:B85–03 Designation: B 85/B 85M – 09
Standard Specification for
1
Aluminum-Alloy Die Castings
This standard is issued under the fixed designation B 85/B 85M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope*
1.1 This specification covers aluminum-alloy die castings of all compositions. Thirteen of the most commonly die cast alloy
compositions are specified, designated as shown in Table 1.
1.2Alloy and temper designations are in accordance with ANSI H35.1
1.2 This specification is not intended for aluminum-alloy die castings used in aerospace applications.
1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M). The equivalent unified numbering system
alloy designations are in accordance with Practice E 527.
1.3For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see
1.4 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.
1.5 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see
Annex A1 and Annex A2.
1.4
1.6 Units—The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are
mathematical conversions to SI units which are provided for information only and are not considered standard.
1.5—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.7 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
requirements prior to use.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of order acceptance form a part of this specification to the extent
referenced herein:
2
2.2 ASTM Standards:
B 179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
B 275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought
2
B 557 Test Methods of Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products Test Methods for
Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B 557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B 660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B 881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
D 3951 Practice for Commercial Packaging
E8 Test Methods for Tension Testing of Metallic Materials Test Methods for Tension Testing of Metallic Materials
E8M Test Methods for Tension Testing of Metallic Materials [Metric]
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys
1
This specification is under the jurisdiction ofASTM Committee B07 on Light Metals andAlloys and is the direct responsibility of Subcommittee B07.01 onAluminum
Alloy Ingots and Castings.
Current edition approved April 10, 2003. Published August 2003. Originally approved in 1931. Last previous edition approved in 2002 as B85–02.
Current edition approved May 1, 2009. Published June 2009. Originally approved in 1931. Last previous edition approved in 2008 as B 85/B 85M – 08.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
, Vol 02.02.volume information, refer to the standard’s Document Summary page on the ASTM website.
*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
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