ASTM B969/B969M-14
(Specification)Standard Specification for Aluminum-Alloy Castings Produced by Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes
Standard Specification for Aluminum-Alloy Castings Produced by Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes
SCOPE
1.1 This specification covers aluminum-alloy castings, produced by the thixocast, rheocast, semi-solid, and squeeze casting processes, shown in Table 1. (A) When single units are shown, these indicate the maximum amounts permitted.(B) Analysis shall be made for the elements for which limits are shown in this table.(C) The following applies to all specified limits in this table: For purposes of determining conformance to these limits, an observed value or a calculated value obtained from analysis shall be rounded to the nearest unit in the last right-hand place of figures used in expressing the specified limit in accordance with the rounding method of Practice E29.(D) ASTM alloy designations are defined in ANSI H35.1/H35.1 (M).(E) Other includes listed elements for which no specific limit is shown as well as unlisted metallic elements. The producer may analyze samples for trace elements not specified in the specification. However, such analysis is not required and may not cover all metallic Other Elements. Should any analysis by the producer or the purchaser establish that an Other Elements exceeds the limit of Each or that the aggregate of several Other Elements exceeds the limit of Total, the material shall be considered nonconforming.(F) Other Elements—Total shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.(G) If the iron content exceeds 0.45 %, manganese content shall not be less than one half of the iron.(H) The Aluminum Association ruling on the number of decimal places to which Mg percent is expressed is exempted for some long standing alloys. (See A2.2.6.)
1.2 This specification is not intended for 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 E527.
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 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 limitations prior to use.
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Designation: B969/B969M −14
Standard Specification for
Aluminum-Alloy Castings Produced by Squeeze Casting,
1
Thixocast and Rheocast Semi-Solid Casting Processes
This standard is issued under the fixed designation B969/B969M; 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.
purchase form a part of this specification to the extent referenced herein.
1. Scope*
B179 Specification for Aluminum Alloys in Ingot and Mol-
1.1 This specification covers aluminum-alloy castings, pro-
ten Forms for Castings from All Casting Processes
duced by the thixocast, rheocast, semi-solid, and squeeze
B275 Practice for Codification of Certain Nonferrous Metals
casting processes, shown in Table 1.
and Alloys, Cast and Wrought
1.2 This specification is not intended for castings used in
B557 Test Methods for Tension Testing Wrought and Cast
aerospace applications.
Aluminum- and Magnesium-Alloy Products
B557M Test Methods for Tension Testing Wrought and Cast
1.3 Alloy and temper designations are in accordance with
Aluminum- and Magnesium-Alloy Products (Metric)
ANSI H35.1/H35.1 (M). The equivalent unified numbering
B660 Practices for Packaging/Packing of Aluminum and
system alloy designations are in accordance with Practice
Magnesium Products
E527.
B881 Terminology Relating toAluminum- and Magnesium-
1.4 Unless the order specifies the “M” specification
Alloy Products
designation, the material shall be furnished to the inch-pound
B917/B917M Practice for Heat Treatment of Aluminum-
units.
Alloy Castings from All Processes
1.5 For acceptance criteria for inclusion of new aluminum
B985 Practice for SamplingAluminum Ingots, Billets, Cast-
and aluminum alloys and their properties in this specification,
ings and Finished or Semi-Finished Wrought Aluminum
see Annex A1 and Annex A2.
Products for Compositional Analysis
D3951 Practice for Commercial Packaging
1.6 The values stated in either SI units or inch-pound units
E8/E8M Test Methods for Tension Testing of Metallic Ma-
are to be regarded separately as standard. The values stated in
terials
each system may not be exact equivalents; therefore, each
E23 Test Methods for Notched Bar Impact Testing of Me-
system shall be used independently of the other. Combining
tallic Materials
values from the two systems may result in non-conformance
E29 Practice for Using Significant Digits in Test Data to
with the standard.
Determine Conformance with Specifications
1.7 This standard does not purport to address all of the
E34 Test Methods for Chemical Analysis of Aluminum and
safety concerns, if any, associated with its use. It is the
Aluminum-Base Alloys
responsibility of the user of this standard to establish appro-
E94 Guide for Radiographic Examination
priate safety and health practices and determine the applica-
E155 Reference Radiographs for Inspection of Aluminum
bility of regulatory limitations prior to use.
and Magnesium Castings
E165 Practice for Liquid Penetrant Examination for General
2. Referenced Documents
Industry
2
2.1 ASTM Standards:
E505 Reference Radiographs for Inspection of Aluminum
NOTE 1—The following documents of the issue in effect on the date of
and Magnesium Die Castings
E527 Practice for Numbering Metals and Alloys in the
1
This test method is under the jurisdiction of ASTM Committee B07 on Light Unified Numbering System (UNS)
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on
E607 Test Method for Atomic Emission Spectrometric
Aluminum Alloy Ingots and Castings.
Analysis Aluminum Alloys by the Point to Plane Tech-
Current edition approved Oct. 1, 2014. Published October 2014. Originally
3
nique Nitrogen Atmosphere (Withdrawn 2011)
approved in 2009. Last previous edition approved in 2011 as B969/B969M – 11.
DOI: 10.1520/B0969_B0969M-14.
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
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. 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 ----------------------
B969/B969M − 14
2
A,B,C
TABLE 1 Chemical Composition Limits
Alloy Composition,%
D E
ANSI UNS Silicon Iron Copper Manganese Magnesium Chromium Nickel Zinc Titanium Tin Other Elements Aluminum
F
Each Total
319.0 A03190 5.5–6.5 1.0 3.0–4.0 0.50 0.10 . 0.35 1.0 0.25
...
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: B969/B969M − 11 B969/B969M − 14
Standard Specification for
Aluminum-Alloy Castings Produced by the Squeeze
Casting, Thixocast and Rheocast Semi-Solid Casting
1
Processes
This standard is issued under the fixed designation B969/B969M; 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.
1. Scope*
1.1 This specification covers aluminum-alloy castings, produced by the thixocast, rheocast, semi-solidsemi-solid, and squeeze
casting processes, shown in Table 1.
1.2 This specification is not intended for castings used in aerospace applications.
1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M).H35.1/H35.1 (M). The equivalent unified
numbering system alloy designations are in accordance with Practice E527.
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 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
limitations prior to use.
2. Referenced Documents
2
2.1 ASTM Standards:
NOTE 1—The following documents of the issue in effect on the date of purchase form a part of this specification to the extent referenced herein.
B179 Specification for Aluminum Alloys in Ingot and Molten Forms for Castings from All Casting Processes
B275 Practice for Codification of Certain Nonferrous Metals and Alloys, Cast and Wrought
B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B557M Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B881 Terminology Relating to Aluminum- and Magnesium-Alloy Products
B917/B917M Practice for Heat Treatment of Aluminum-Alloy Castings from All Processes
B985 Practice for Sampling Aluminum Ingots, Billets, Castings and Finished or Semi-Finished Wrought Aluminum Products for
Compositional Analysis
D3951 Practice for Commercial Packaging
E8/E8M Test Methods for Tension Testing of Metallic Materials
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 test method 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 May 1, 2011Oct. 1, 2014. Published June 2011October 2014. Originally approved in 2009. Last previous edition approved in 20102011 as
B969 – 10.B969/B969M – 11. DOI: 10.1520/B0969_B0969M-11.10.1520/B0969_B0969M-14.
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 ----------------------
B969/B969M − 14
2
A,B,C
TABLE 1 Chemical Composition Limits
Alloy Composition,%
D E
ANSI UNS Silicon Iron Copper Manganese Magnesium Chromium Nickel Zinc Titanium Tin Other Elements Aluminum
F
Each Total
319.0 A03190 5.5–6.5 1.0 3.0–4.0 0.50 0.10 . 0.35 1.0 0.25 . . 0.50 Remainder
G G
355.0 A03550 4.5–5.5 0.6 1.0–1.5 0.50 0.40–0.6 0.25 . 0.35 0.25 . . 0.05 0.15 Remainder
G G
356.0 A03560 6.5–7.5 0.6 0.25 0.35 0.20–0.45 0.35 0.25 0.05 0.15 Remainder
A356.0 A13560
...
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