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ASTM B686-03

(Specification)

Standard Specification for Aluminum Alloy Castings, High-Strength

Standard Specification for Aluminum Alloy Castings, High-Strength

SCOPE
1.1 This specification covers aluminum-alloy high-strength castings designated as shown in Table 1.
1.2 Castings covered by this specification are intended for use in airframe, missile, and other critical applications where high strength, ductility, and sound castings are required.
1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys and their properties in this specification, see Annex A1 and Annex A1.
1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.
1.5 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 regular limitations prior to use.

General Information

Status
Historical
Publication Date
09-Apr-2003
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

Replaces
ASTM B686-02a - Standard Specification for Aluminum Alloy Castings, High-Strength
Effective Date
10-Apr-2003
Replaced By
ASTM B686/B686M-07 - Standard Specification for Aluminum Alloy Castings, High-Strength
Effective Date
01-Oct-2007
Referred By
ASTM B881-17 - Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products
Effective Date
10-Apr-2003

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ASTM B686-03 - Standard Specification for Aluminum Alloy Castings, High-StrengthASTM B686-03 - Standard Specification for Aluminum Alloy Castings, High-Strength
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ASTM B686-03 - Standard Specification for Aluminum Alloy Castings, High-Strength
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
Designation: B 686 – 03
Standard Specification for
1
Aluminum Alloy Castings, High-Strength
This standard is issued under the fixed designation B 686; 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 (ϵ) 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* E29 Practice for Using Significant Digits in Test Data to
4
Determine Conformance with Specifications
1.1 This specification covers aluminum-alloy high-strength
E34 Test Methods for ChemicalAnalysis ofAluminum and
castings designated as shown in Table 1.
5
Aluminum-Base Alloys
1.2 Castings covered by this specification are intended for
E88 Practice for Sampling Nonferrous Metals and Alloys
use in airframe, missile, and other critical applications where
5
in Cast Form for Determination of Chemical Composition
high strength, ductility, and sound castings are required.
6
E94 Guide for Radiographic Examination
1.3 For acceptance criteria for inclusion of new aluminum
E 155 Reference Radiographs for Examination of Alumi-
and aluminum alloys and their properties in this specification,
6
num and Magnesium Castings
see Annex A1 and Annex A2.
6
E 165 Test Method for Liquid Penetrant Examination
1.4 The values stated in either inch-pound units or SI units
7
E 527 Practice for Numbering Metals and Alloys (UNS)
are to be regarded separately as standard. Within the text, the
E 607 Test Method for Optical Emission Spectrometric
SIunitsareshowninbrackets.Thevaluesstatedineachsystem
Analysis of Aluminum and Aluminum Alloys by the
are not exact equivalents; therefore, each system shall be used
5
Point-to-Plane Technique, Nitrogen Atmosphere
independently of the other. Combining values from the two
E 716 Practices for Sampling Aluminum and Aluminum
systems may result in nonconformance with the standard.
5
Alloys for Spectrochemical Analysis
1.5 This standard does not purport to address all of the
E 1251 Test Method for Optical Emission Spectrometric
safety concerns, if any, associated with its use. It is the
Analysis ofAluminum andAluminumAlloys by theArgon
responsibility of the user of this standard to establish appro-
Atmosphere, Point-to-Plane, Unipolar Self-Initiating Ca-
priate safety and health practices and determine the applica-
5
pacitor Discharge
bility of regular limitations prior to use.
IEEE/ASTM SI 10 Standard for Use of the International
4
2. Referenced Documents
System of Units (SI): The Modern Metric System
2.3 ANSI Standards:
2.1 The following documents of the issue in effect on the
H35.1 Alloy and Temper Designation Systems for Alumi-
date of purchase form a part of this specification to the extent
2
num
referenced herein:
Z1.4 Sampling Procedures and Tables for Inspection by
2.2 ASTM Standards:
8
Attributes
B 179 Specification for Aluminum Alloys in Ingot and
2
2.4 Military Standards:
Molten Forms for Castings from All Casting Processes
9
MIL-STD-129 Marking for Shipment and Storage
B 557 Test Methods for Tension Testing Wrought and Cast
2
2.5 Federal Standard:
Aluminum- and Magnesium-Alloy Products
9
Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
B 660 Practices for Packaging/Packing of Aluminum and
2
Magnesium Products
3. Classification
B 917/B 917M Practice for Heat treating Aluminum-Alloy
2
3.1 Castings shall be classified by inspection classes.
Castings from All Processes
3
3.1.1 Classes (Inspection):
D 3951 Practice for Commercial Packaging
4
Annual Book of ASTM Standards, Vol 14.02.
1 5
This specification is under the jurisdiction of ASTM Committee B07 on Light Annual Book of ASTM Standards, Vol 03.05.
6
Metals and Alloys and is the direct responsibility of Subcommittee B07.01 on Annual Book of ASTM Standards, Vol 03.03.
7
Aluminum Alloy Ingots and Castings. Annual Book of ASTM Standards, Vol 01.01.
8
Current edition approved Apr. 10, 2003. Published August 2003. Originally
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
approved in 1981. Last previous edition approved in 2002 as B 686 – 02a. 4th Floor, New York, NY 10036.
2 9
Annual Book of ASTM Standards, Vol 02.02. AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
3
Annual Book of ASTM Standards, Vol 15.09. Robbins Ave., Philadelphia, PA 19111-5098 Attn: NPODS.
*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 ----------------------
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ABSTRACT
This specification covers aluminum and aluminum-alloy seamless pipe and seamless extruded tube. The pipe and tube shall be produced from hollow extrusion ingot (cast in hollow form, or drilled, or pierced from solid ingot) and shall be extruded by use of the die and mandrel method. The material shall conform to the chemical composition requirements specified. The determination of chemical composition shall be made in accordance with suitable chemical (test methods E 34) or spectrochemical (test methods E 227, E 607, and E 1251) methods. Alloys may be solution heat-treated and quenched at the extrusion press in accordance with practice B 807 for the production of T4 and T6-type tempers, as applicable. The material shall conform to the tensile property requirements specified. The tension tests shall be made in accordance with test methods B 557. The stress-corrosion cracking test shall be performed on extruded tube. The stress-corrosion test shall be made in accordance with test method G 47. The aluminum alloy coating of clad tube shall comprise the inside surface (only) of the tube and its thickness shall be approximately 10 % of the total wall thickness of the tube.
SCOPE
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Note 2: For drawn seamless tubes, see Specification B210/B210M; for extruded tubes, Specifications B221 and B221M; for drawn seamless tubes for condensers and heat exchangers, Specifications B234 and B234M; for seamless condenser and heat exchanger tubes with integral fins, Specification B429/B429M; and for drawn tube for general purpose applications, Specification B483/B483M.  
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ASTM B221-21(Specification)
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This specification covers extruded bars, rods, wires, profiles, and tubes made from aluminum and aluminum alloys. All the products should be produced by hot extrusion or similar methods. The chemical composition of each material is determined in accordance with the specified suitable chemical and spectrochemical test methods. Samples for chemical analysis should be taken when the ingots are poured or from the finished or semi-finished products by drilling, sawing, milling, turning, or clipping. Tensile properties, elongation, and yield strengths of each product should conform to the requirements listed herein. Elongation requirements are not applicable for materials with sizes smaller than the specified limits.
SCOPE
1.1 This specification2 covers aluminum and aluminum-alloy extruded bars, rods, wire, profiles, and tubes in the aluminum alloys (Note 1) and tempers shown in Table 2.  
Note 1: Throughout this specification, the use of the term  alloy in the general sense includes aluminum as well as aluminum alloy.
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Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

SCOPE
1.1 This specification covers aluminum and aluminum-alloy extruded bars, rods, wires, profiles, and tubes in the aluminum alloys (Note 1) and tempers shown in Table 2.  
Note 1: Throughout this specification the use of the term  alloy  in the general sense includes aluminum as well as aluminum alloy.
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.
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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.  
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1.5 The values stated in SI are to be regarded as standard. No other units of measurement are included in this specification.  
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