ASTM B179-11
(Specification)Standard Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
Standard Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
ABSTRACT
This specification covers commercial aluminum alloys in ingot form for remelting and molten form for the manufacture of castings. The material shall be of uniform quality and shall be free from dross, slag, and other harmful contamination. The ingots or molten metal shall conform to the chemical composition limits specified.
SCOPE
1.1 This specification covers commercial aluminum alloys in ingot form for remelting and molten form for the manufacture of castings. The specific gravity of these alloys does not exceed 3.0 and they are designated as shown in Table 1.Note 1
Throughout this specification the use of "ingot" in a general sense includes sow, T-bar, T-ingot, and pig.
1.2 Alloy 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.Note 2
Supplementary data pertaining to the alloys covered by this specification when used in the form of castings are given in Specifications B 26/B 26M, B 85, B 108, B 618, and B 686.
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A1.
1.4 The values stated in inch-pound units are to be regarded as the standard.
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 limitations prior to use.
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Designation: B179 −11
StandardSpecification for
Aluminum Alloys in Ingot and Molten Forms for Castings
1
from All Casting Processes
This standard is issued under the fixed designation B179; 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* 2. Referenced Documents
2
1.1 This specification covers commercial aluminum alloys 2.1 ASTM Standards:
in ingot form for remelting and molten form for the manufac- B26/B26M Specification for Aluminum-Alloy Sand Cast-
ture of castings. The specific gravity of these alloys does not ings
exceed 3.0 and they are designated as shown in Table 1. B85/B85M Specification for Aluminum-Alloy Die Castings
B108/B108M Specification for Aluminum-Alloy Permanent
NOTE 1—Throughout this specification the use of “ingot” in a general
Mold Castings
sense includes sow, T-bar, T-ingot, and pig.
B618/B618M Specification forAluminum-Alloy Investment
1.2 Alloy designations are in accordance withANSI H35.1/
Castings
H35.1(M). The equivalent Unified Numbering System alloy
B666/B666M Practice for Identification Marking of Alumi-
designations are in accordance with Practice E527.
num and Magnesium Products
NOTE 2—Supplementary data pertaining to the alloys covered by this B686/B686M Specification for Aluminum Alloy Castings,
specification when used in the form of castings are given in Specifications
High-Strength
B26/B26M, B85/B85M, B108/B108M, B618/B618M, B686/B686M, and
B955/B955M SpecificationforAluminum-AlloyCentrifugal
B955/B955M.
Castings
1.3 Unless the order specifies the “M” specification
B969 Specification for Aluminum-Alloy Castings Produced
designation, the material shall be furnished to the inch-pound
by the Squeeze Casting, Thixocast and Rheocast Semi-
units.
Solid Casting Processes
E29 Practice for Using Significant Digits in Test Data to
1.4 For acceptance criteria for inclusion of new aluminum
and aluminum alloys in this specification, see Annex A1. Determine Conformance with Specifications
E34 Test Methods for Chemical Analysis of Aluminum and
1.5 The values stated in inch-pound units are to be regarded
Aluminum-Base Alloys
as standard. No other units of measurement are included in this
E527 Practice for Numbering Metals and Alloys in the
standard.
Unified Numbering System (UNS)
1.5.1 Exception—Certain SI units appear in brackets in
E607 Test Method for Atomic Emission Spectrometric
7.1.2.
Analysis Aluminum Alloys by the Point to Plane Tech-
1.6 This standard does not purport to address all of the 3
nique Nitrogen Atmosphere (Withdrawn 2011)
safety concerns, if any, associated with its use. It is the
E716 Practices for Sampling and Sample Preparation of
responsibility of the user of this standard to establish appro-
Aluminum and Aluminum Alloys for Determination of
priate safety and health practices and determine the applica-
Chemical Composition by Spectrochemical Analysis
bility of regulatory limitations prior to use.
1 2
This specification is under the jurisdiction of ASTM Committee B07 on Light For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Aluminum Alloy Ingots and Castings. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved May 1, 2011. Published June 2011. Originally the ASTM website.
3
approved in 1946. Last previous edition approved in 2010 as B179 – 10. DOI: The last approved version of this historical standard is referenced on
10.1520/B0179-11. www.astm.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
1
---------------------- Page: 1 ----------------------
B179 − 11
2
A,B
TABLE 1 Chemical Composition Limits of Aluminum Alloys in Ingot and Molten Forms for All Casting Processes
This Table has been reprinted by the permission of the Aluminum Association, Inc.
Only composition limits which are identical to those listed herein or are registered with the Aluminum Association should be designated as “AA” alloys.
NOTE 1—Where single units are shown, these indicate the maximum amounts permitted.
NOTE 2—Analysis shall be made for those elements for which limits are shown in this table.
NOTE 3—The following applies to all specified limits in the table: For purposes of acceptance or rejection an observed value or a calculated value obtained from
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM 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:B179–10 Designation: B179 – 11
Standard Specification for
Aluminum Alloys in Ingot and Molten Forms for Castings
1
from All Casting Processes
This standard is issued under the fixed designation B179; 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 commercial aluminum alloys in ingot form for remelting and molten form for the manufacture of
castings. The specific gravity of these alloys does not exceed 3.0 and they are designated as shown in Table 1.
NOTE 1—Throughout this specification the use of “ingot” in a general sense includes sow, T-bar, T-ingot, and pig.
1.2 Alloy designations are in accordance with ANSI H35.1/H35.1(M). The equivalent Unified Numbering System alloy
designations are in accordance with Practice E527.
NOTE 2—Supplementary data pertaining to the alloys covered by this specification when used in the form of castings are given in Specifications
B26/B26M, B85/B85M, B108/B108M, B618/B618M, B686/B686M, and B955/B955M.
1.3 Unless the order specifies the “M” specification designation, the material shall be furnished to the inch-pound units.
1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A1.
1.5 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
1.5.1 Exception—Certain SI units appear in brackets in 7.1.2.
1.6 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
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
B26/B26M Specification for Aluminum-Alloy Sand Castings
B85/B85M Specification for Aluminum-Alloy Die Castings
B108/B108M Specification for Aluminum-Alloy Permanent Mold Castings
B618/B618M Specification for Aluminum-Alloy Investment Castings
B666/B666M Practice for Identification Marking of Aluminum and Magnesium Products
B686/B686M Specification for Aluminum Alloy Castings, High-Strength
B955/B955M Specification for Aluminum-Alloy Centrifugal Castings
B969 Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid
Casting Processes
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
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen
Atmosphere
E716 Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical
Composition by Spectrochemical Analysis
E1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Atomic Emission Spectrometry
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 May 1, 2010.2011. Published June 2010.2011. Originally approved in 1946. Last previous edition approved in 20092010 as B179 – 109. DOI:
10.1520/B0179-101.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM 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.
1
---------------------- Page: 1 ----------------------
B179 – 11
2
A,B
TABLE 1 Chemical Composition Limits of Aluminum Alloys in Ingot and Molten Forms for All Casting Processes
This Table has been reprinted by the permission of the Aluminum Association, Inc.
Only composition limits which are identical to those listed herein or are registered with the Aluminum Association should be designated as “AA” alloys.
NOTE 1—Where single units are shown, thes
...
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