ASTM B179-18
(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).
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, B955/B955M, and B969/B969M.
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.
1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:B179 −18
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 U.S. Department of Defense.
1. Scope* 2. Referenced Documents
2.1 The following documents of the issue in effect on date
1.1 This specification covers commercial aluminum alloys
in ingot form for remelting and molten form for the manufac- of material purchase form a part of this specification to the
extent referenced herein:
ture of castings. The specific gravity of these alloys does not
exceed 3.0 and they are designated as shown in Table 1. 2
2.2 ASTM Standards:
B26/B26M Specification for Aluminum-Alloy Sand Cast-
NOTE 1—Throughout this specification the use of “ingot” in a general
sense includes sow, T-bar, T-ingot, and pig. ings
B85/B85M Specification for Aluminum-Alloy Die Castings
1.2 Alloy designations are in accordance withANSI H35.1/
B108/B108M Specification for Aluminum-Alloy Permanent
H35.1(M).
Mold Castings
NOTE 2—Supplementary data pertaining to the alloys covered by this
B618/B618M Specification forAluminum-Alloy Investment
specification when used in the form of castings are given in Specifications
Castings
B26/B26M, B85/B85M, B108/B108M, B618/B618M, B686/B686M,
B666/B666M Practice for Identification Marking of Alumi-
B955/B955M, and B969/B969M.
num and Magnesium Products
1.3 Unless the order specifies the “M” specification
B686/B686M Specification for Aluminum Alloy Castings,
designation, the material shall be furnished to the inch-pound
High-Strength
units.
B955/B955M SpecificationforAluminum-AlloyCentrifugal
1.4 For acceptance criteria for inclusion of new aluminum
Castings
and aluminum alloys in this specification, see Annex A1.
B969/B969M Specification for Aluminum-Alloy Castings
Produced by Squeeze Casting, Thixocast and Rheocast
1.5 The values stated in inch-pound units are to be regarded
Semi-Solid Casting Processes
as standard. No other units of measurement are included in this
B985 Practice for SamplingAluminum Ingots, Billets, Cast-
standard.
ings and Finished or Semi-Finished Wrought Aluminum
1.6 This standard does not purport to address all of the
Products for Compositional Analysis
safety concerns, if any, associated with its use. It is the
E29 Practice for Using Significant Digits in Test Data to
responsibility of the user of this standard to establish appro-
Determine Conformance with Specifications
priate safety, health, and environmental practices and deter-
E34 Test Methods for Chemical Analysis of Aluminum and
mine the applicability of regulatory limitations prior to use.
3
Aluminum-Base Alloys (Withdrawn 2017)
1.7 This international standard was developed in accor-
E607 Test Method for Atomic Emission Spectrometric
dance with internationally recognized principles on standard-
Analysis Aluminum Alloys by the Point to Plane Tech-
ization established in the Decision on Principles for the 3
nique Nitrogen Atmosphere (Withdrawn 2011)
Development of International Standards, Guides and Recom-
E716 Practices for Sampling and Sample Preparation of
mendations issued by the World Trade Organization Technical
Aluminum and Aluminum Alloys for Determination of
Barriers to Trade (TBT) Committee.
Chemical Composition by Spark Atomic Emission Spec-
trometry
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 15, 2018. Published May 2018. Originally the ASTM website.
3
approved in 1946. Last previous edition approved in 2017 as B179 – 17. DOI: The last approved version of this historical standard is referenced on
10.1520/B0179-18. 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 ----------------------
B179−18
2
A,B,C,D
TABLE 1 Chemical Composition Limits of Aluminum Alloys in Ingot and Mo
...
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 − 17 B179 − 18
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 U.S. 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).
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, B955/B955M, and B969/B969M.
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.
1.6 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, health, and environmental practices and determine the applicability of
regulatory limitations prior to use.
1.7 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extent
referenced herein:
2
2.2 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/B969M Specification for Aluminum-Alloy Castings Produced by Squeeze Casting, Thixocast and Rheocast Semi-Solid
Casting Processes
B985 Practice for Sampling Aluminum Ingots, Billets, Castings and Finished or Semi-Finished Wrought Aluminum Products for
Compositional Analysis
1
This specification is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on Aluminum
Alloy Ingots and Castings.
Current edition approved Oct. 1, 2017May 15, 2018. Published November 2017May 2018. Originally approved in 1946. Last previous edition approved in 20142017 as
B179 – 14.B179 – 17. DOI: 10.1520/B0179-17.10.1520/B0179-18.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or 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
1
---------------------- Page: 1 ----------------------
B179 − 18
2
A,B,C,D
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.
E
OTHERS
S
DESIG. Si Fe Cu Mn Mg Cr Ni Zn Ti Ag Be Pb Sn Zr FNs AA Al Min.
F
Each Total
No.
F
Each Total
G
100.1* 0.15 0.6–0.8 0.10 . . . . . .
...
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