ASTM B618-01
(Specification)Standard Specification for Aluminum-Alloy Investment Castings
Standard Specification for Aluminum-Alloy Investment Castings
SCOPE
1.1 This specification covers aluminum-alloy investment castings designated as shown in Table 1.
1.2 Alloy and temper designations are in accordance with ANSI H35.1. The equivalent Unified Numbering System alloy designations are in accordance with Practice E527.
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A1 and Annex A2.
1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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Standards Content (Sample)
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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 618 – 01
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.
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1. Scope E 165 Test Method for Liquid Penetrant Examination
E 227 Test Method for Optical Emission Spectrometric
1.1 This specification covers aluminum-alloy investment
Analysis of Aluminum and Aluminum Alloys by the
castings designated as shown in Table 1.
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Point-to-Plane Technique
1.2 Alloy and temper designations are in accordance with
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E 527 Practice for Numbering Metals and Alloys (UNS)
ANSI H35.1. The equivalent Unified Numbering System alloy
E 607 Test Method for Optical Emission Spectrometric
designations are in accordance with Practice E 527.
Analysis of Aluminum and Aluminum Alloys by the
1.3 For acceptance criteria for inclusion of new aluminum
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Point-to-Plane Technique, Nitrogen Atmosphere
and aluminum alloys and their properties in this specification,
E 716 Practices for Sampling Aluminum and Aluminum
see Annex A1 and Annex A2.
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Alloys for Spectrochemical Analysis
1.4 The values stated in inch-pound units are to be regarded
E 1251 Test Method for Optical Emission Spectrometric
as the standard. The values given in parentheses are for
Analysis of Aluminum and Aluminum Alloys by the Argon
information only.
Atmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-
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2. Referenced Documents
pacitor Discharge
IEEE/ASTM SI 10 Standard for Use of the International
2.1 The following documents of the issue in effect on the
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System of Units (SI): The Modern Metric System
date of purchase form a part of this specification to the extent
2.3 ANSI Standard:
referenced herein:
H35.1 Alloy and Temper Designation Systems for Alumi-
2.2 ASTM Standards:
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num
B 179 Specification for Aluminum Alloys in Ingot Form for
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H35.1M Alloy and Temper Designation System for Alumi-
Castings from all Casting Processes
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num [Metric]
B 275 Practice for Codification of Certain Nonferrous Met-
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2.4 Military Standard:
als and Alloys, Cast and Wrought
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MIL-STD-129 Marking for Shipment and Storage
B 557 Test Methods for Tension Testing Wrought and Cast
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2.5 Federal Standard:
Aluminum- and Magnesium-Alloy Products
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Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
B 597 Practice for Heat Treatment of Aluminum Alloys
B 660 Practices for Packaging/Packing of Aluminum and
3. Terminology
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Magnesium Products
3.1 Definition:
E 29 Practice for Using Significant Digits in Test Data to
3 3.1.1 investment casting—a metal object produced by sur-
Determine Conformance with Specifications
rounding (investing) an expendable pattern (usually wax or
E 34 Test Methods for Chemical Analysis of Aluminum and
4 plastic) with a refractory slurry that sets at room temperature,
Aluminum-Base Alloys
after which the pattern is removed through the use of heat, and
E 88 Practice for Sampling Nonferrous Metals and Alloys
4 then filling the resulting cavity with molten metal and allowing
in Cast Form for Determination of Chemical Composition
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it to solidify.
E 94 Guide for Radiographic Testing
E 155 Reference Radiographs for Inspection of Aluminum
4. Ordering Information
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and Magnesium Castings
4.1 Orders for material under this specification shall include
the following information:
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This specification is under the jurisdiction of ASTM Committee B07 on Light
4.1.1 This specification designation (which includes the
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
Aluminum Alloy Ingots and Castings. number, the year, and the revision letter, if applicable),
Current edition approved Apr. 10, 2001. Published May 2001. Originally
published as B 618 – 77. Last previous edition B 618 – 99.
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Annual Book of ASTM Standards, Vol 02.02. Annual Book of ASTM Standards, Vol 01.01.
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Annual Book of ASTM Standards, Vol 14.02. Annual Book of ASTM Standards, Vol 03.06.
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Annual Book of ASTM Standards, Vol 03.05. Available from the Standardization Documents Order Desk, Bldg. 4, Section D,
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Annual Book of ASTM Standards, Vol 03.03. 700 Robbins Ave., Philadelphia, PA 19111-5094. Attn: NPODS.
Copyright © ASTM, 100 Barr Harbor Drive, 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.
B 618
TABLE 1 Chemical Composition Requirements
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