ASTM B618-06

Designation: B 618 – 06
Standard Specification for
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Aluminum-Alloy Investment Castings
This standard is issued under the fixed designation B 618; 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* B 660 Practices for Packaging/Packing of Aluminum and
Magnesium Products
1.1 This specification covers aluminum-alloy investment
B 917/B 917M Practice for Heat Treatment of Aluminum-
castings designated as shown in Table 1.
Alloy Castings from All Processes
1.2 This specification is not intended for aluminum-alloy
D 3951 Practice for Commercial Packaging
investment castings used in aerospace applications.
E29 Practice for Using Significant Digits in Test Data to
1.3 Alloy and temper designations are in accordance with
Determine Conformance with Specifications
ANSI H35.1/H35.1(M). The equivalent Unified Numbering
E34 Test Methods for ChemicalAnalysis ofAluminum and
System alloy designations are in accordance with Practice
Aluminum-Base Alloys
E 527.
E88 Practice for Sampling Nonferrous Metals and Alloys
1.4 For acceptance criteria for inclusion of new aluminum
in Cast Form for Determination of Chemical Composition
and aluminum alloys and their properties in this specification,
E94 Guide for Radiographic Examination
see Annex A1 and Annex A2.
E 155 Reference Radiographs for Inspection of Aluminum
1.5 Units—The values stated in inch-pound units are to be
and Magnesium Castings
regarded as the standard. The values given in parentheses are
E 165 Test Method for Liquid Penetrant Examination
mathematical conversions to SI units which are provided for
E 527 Practice for Numbering Metals and Alloys in the
information only and are not considered standard.
Unified Numbering System (UNS)
1.6 This standard does not purport to address all of the
E 607 Test Method for Atomic Emission Spectrometric
safety concerns, if any, associated with its use. It is the
Analysis Aluminum Alloys by the Point to Plane Tech-
responsibility of the user of this standard to establish appro-
nique Nitrogen Atmosphere
priate safety and health practices and determine the applica-
E 716 Practices for Sampling Aluminum and Aluminum
bility of regulatory limitations prior to use.
Alloys for Spectrochemical Analysis
2. Referenced Documents E 1251 Test Method for Analysis of Aluminum and Alumi-
num Alloys by Atomic Emission Spectrometry
2.1 The following documents of the issue in effect on the
IEEE/ASTM SI 10 Standard for Use of the International
date of purchase form a part of this specification to the extent
System of Units (SI): The Modern Metric System
referenced herein:
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2.3 ANSI Standard:
2.2 ASTM Standards:
H35.1/H35.1(M) American National Standard Alloy and
B 179 Specification for Aluminum Alloys in Ingot and
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Temper Designation Systems for Aluminum
Molten Forms for Castings from All Casting Processes
2.4 Military Standard:
B 275 Practice for Codification of Certain Nonferrous Met-
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MIL-STD-129 Marking for Shipment and Storage
als and Alloys, Cast and Wrought
2.5 Federal Standard:
B 557 Test Methods for Tension Testing Wrought and Cast
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Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
Aluminum- and Magnesium-Alloy Products
2.6 AMS Standard:
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This specification is under the jurisdiction of ASTM Committee B07 on Light
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Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
Available from Aluminum Association, Inc., 1525 Wilson Blvd., Suite 600,
Aluminum Alloy Ingots and Castings.
Arlington, VA 22209, http://www.aluminum.org.
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Current edition approved Sept. 1, 2006. Published September 2006. Originally
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
approved in 1977. Last previous edition approved in 2003 as B 618 – 03.
Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
www.dodssp.daps.mil.
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
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.
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B618–06
TABLE 1 Chemical Composition Requirements
NOTE 1—When single units are shown, these indicate the maximum amounts permitted.
NOTE 2—Analysis shall be made for the elements for which limits are shown in this table.
NOTE 3—The following applies to all specified limits in this table: For purposes of acceptance and rejection, an observed value or a calculated value
obtainedfromanalysis
...