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ASTM B969-09

(Specification)

Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes

Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes

ABSTRACT
This specification covers the material, chemical and mechanical requirements for aluminum-alloy castings produced by the thixocast, rheocast, semi-solid and squeeze casting processes. It does not apply to castings used in aerospace applications. Castings shall conform to the chemical composition limits and tensile properties specified for each alloy designation, and those produced for governmental or military agencies, or both, shall additionally adhere to specified material and foundry control requirements. Castings shall also pass quality checks based on the following attributes: imperfections; internal soundness; pressure tightness; fillets, ribs, and corners; ejector pins, pin marks, pin flash, and flash removal; casting flash removal; surface finish; die cast lettering and ornamentation; machining stock allowances; and workmanship. Heat treatment and repair recommendations are also included herein.
SCOPE
1.1 This specification covers aluminum-alloy castings, produced by the thixocast, rheocast, semi-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). 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.

General Information

Status
Historical
Publication Date
31-Oct-2009
ICS
77.150.10 - Aluminium products
Technical Committee
B07 - Light Metals and Alloys
Drafting Committee
B07.01 - Aluminum Alloy Ingots and Castings
Current Stage
Ref Project

Relations

Replaced By
ASTM B969-10 - Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes
Effective Date
01-Nov-2010

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ASTM B969-09 - Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting ProcessesASTM B969-09 - Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes
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ASTM B969-09 - Standard Specification for Aluminum-Alloy Castings Produced by the Squeeze Casting, Thixocast and Rheocast Semi-Solid Casting Processes
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: B969 – 09
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; 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 B179 Specification for Aluminum Alloys in Ingot and
Molten Forms for Castings from All Casting Processes
1.1 This specification covers aluminum-alloy castings, pro-
B275 Practice for Codification of Certain Nonferrous Met-
duced by the thixocast, rheocast, semi-solid and squeeze
als and Alloys, Cast and Wrought
casting processes, shown in Table 1.
B557 Test Methods for Tension Testing Wrought and Cast
1.2 This specification is not intended for castings used in
Aluminum- and Magnesium-Alloy Products
aerospace applications.
B557M TestMethodsforTensionTestingWroughtandCast
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 TerminologyRelatingtoAluminum-andMagnesium-
1.4 Unless the order specifies the “M” specification desig-
Alloy Products
nation, the material shall be furnished to the inch-pound units.
B917/B917M Practice for Heat Treatment of Aluminum-
1.5 For acceptance criteria for inclusion of new aluminum
Alloy Castings from All Processes
and aluminum alloys and their properties in this specification,
D3951 Practice for Commercial Packaging
see Annex A1 and Annex A2.
E8/E8M Test Methods for Tension Testing of Metallic
1.6 The values stated in either SI units or inch-pound units
Materials
are to be regarded separately as standard. The values stated in
E23 Test Methods for Notched Bar Impact Testing of
each system may not be exact equivalents; therefore, each
Metallic Materials
system shall be used independently of the other. Combining
E29 Practice for Using Significant Digits in Test Data to
values from the two systems may result in non-conformance
Determine Conformance with Specifications
with the standard.
E34 Test Methods for ChemicalAnalysis ofAluminum and
1.7 This standard does not purport to address all of the
Aluminum-Base Alloys
safety concerns, if any, associated with its use. It is the
E94 Guide for Radiographic Examination
responsibility of the user of this standard to establish appro-
E155 Reference Radiographs for Inspection of Aluminum
priate safety and health practices and determine the applica-
and Magnesium Castings
bility of regulatory limitations prior to use.
E165 PracticeforLiquidPenetrantExaminationforGeneral
2. Referenced Documents
Industry
2
E505 Reference Radiographs for Inspection of Aluminum
2.1 ASTM Standards:
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 Nov. 1, 2009. Published December 2009. DOI:
10.1520/B0969-09.
nique Nitrogen Atmosphere
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
E716 Practices for Sampling Aluminum and Aluminum
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Alloys for Spectrochemical Analysis
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
B969 – 09
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 6.5–7.5 0.20 0.20 0.10 0.25–0.45 0.10 0.20 0.05 0.15 Remainder
357.0 A03570 6.5–7.5 0.15 0.05 0.03 0.45–0.6 . . 0.05 0.20 . . 0.05 0.15 Remainder
366.0 6.5–7.5 0.15 0.05 0.03 0.5–1.2 0.05 0.20 0.05 0.1
...

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Note 2: For rolled or cold-finished bars and rods refer to Specification B211/B211M, for drawn seamless tube used in pressure applications, Specification B210/B210M, for structural pipe and tube, Specification B429/B429M, and for seamless pipe and tube used in pressure applications, Specification B241/B241M.
Note 3: Pipe and tube products listed in this specification are intended for general purpose applications. This specification may not address the manufacturing processes, integrity testing, and verification required for fluid-carrying applications involving pressure. See Specification B210/B210M, B241/B241M, or both as appropriate for seamless pipe and tube used in fluid-carrying applications involving pressure. See Specification B234M, as appropriate, for use in surface condensers, evaporators, and heat exchangers.  
1.2 Alloy and temper designations are in accordance with ANSI H35.1/H35.1M. The equivalent Unified Numbering System alloy designations are those of Table 1 preceded by A9, for example, A91100 for Aluminum 1100 in accordance with Practice E527.  
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2.  
1.4 This specification is the metric counterpart of Specification B221.  
1.5 The values stated in SI are to be regarded as standard. No other units of measurement are included in this specification.  
1.6 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.

  • Technical specification
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  • Technical specification
    18 pages
    English language
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