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ASTM B308/B308M-02

(Specification)

Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles

Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles

ABSTRACT
This specification covers the standard structural profiles for 6061-T6 aluminum-alloy. The profiles are limited to I-beams, H-beams, channels, angles, tees, and zees, which shall be produced by hot extruding only. Chemical composition and tensile properties such as tensile strength, yield strength, and elongation shall conform to the limits herein provided. The determination of chemical composition shall be made in accordance with suitable chemical or spectrochemical methods. Tensile properties shall be tested with test methods for tension testing wrought and cast aluminum- and magnesium-alloy products.
SCOPE
1.1 This specification covers extruded 6061-T6 aluminum-alloy standard structural profiles.
1.2 The profiles are limited to I-beams, H-beams, channels, angles, tees, and zees.
Note 1—For other extruded profiles in other alloys and tempers refer to Specification B 221.
1.3 Alloy and temper designations are in accordance with ANSI H35.1 and ANSI H35.1(M). The equivalent Unified Numbering System alloy designation is that in preceded by A9, or A96061 for alloy 6061 in accordance with Practice E 527.
1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see .
1.5 The values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems will result in nonconformance with the specification.
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.

General Information

Status
Historical
Publication Date
09-Oct-2002
ICS
77.150.10 - Aluminium products
Technical Committee
B07 - Light Metals and Alloys
Drafting Committee
B07.03 - Aluminum Alloy Wrought Products
Current Stage
Ref Project

Relations

Replaces
ASTM B308/B308M-00 - Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles
Effective Date
10-Oct-2002
Replaced By
ASTM B308/B308M-10 - Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles (Withdrawn 2019)
Effective Date
01-May-2010
Referred By
ASTM C1802-23 - Standard Specification for Design, Testing, Manufacture, Selection, and Installation of Horizontal Fabricated Metal Access Hatches for Utility, Water, and Wastewater Structures
Effective Date
10-Oct-2002
Referred By
ASTM D2649-20a - Standard Test Method for Corrosion Characteristics of Solid Film Lubricants
Effective Date
10-Oct-2002
Referred By
ASTM B881-17 - Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products
Effective Date
10-Oct-2002

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ASTM B308/B308M-02 - Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural ProfilesASTM B308/B308M-02 - Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles
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ASTM B308/B308M-02 - Standard Specification for Aluminum-Alloy 6061-T6 Standard Structural Profiles
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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.
Used in USAEC-RDT Standards
Designation: B308/B308M – 02
Standard Specification for
1
Aluminum-Alloy 6061-T6 Standard Structural Profiles
This standard is issued under the fixed designation B308/B308M; 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.
A,B,C
TABLE 1 Chemical Composition Limits
1. Scope*
2
Alloy 6061 Composition, %
1.1 This specification covers extruded 6061-T6 aluminum-
Silicon 0.40–0.8
alloy standard structural profiles.
Iron 0.7
1.2 The profiles are limited to I-beams, H-beams, channels,
Copper 0.15–0.40
angles, tees, and zees.
Manganese 0.15
Magnesium 0.8–1.2
NOTE 1—Forotherextrudedprofilesinotheralloysandtempersreferto
Chromium 0.04–0.35
Specification B221.
Zinc 0.25
Titanium 0.15
1.3 Alloy and temper designations are in accordance with D
Other elements each 0.05
E
ANSI H35.1 and ANSI H35.1(M). The equivalent Unified Total 0.15
Aluminum remainder
Numbering System alloy designation is that in Table 1 pre-
A
Where single units are shown, these indicate the maximum amounts permit-
ceded by A9, or A96061 for alloy 6061 in accordance with
ted.
Practice E527.
B
Analysis shall be made for the elements for which limits are shown in this table.
C
1.4 For acceptance criteria for inclusion of new aluminum 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
and aluminum alloys in this specification, see Annex A2.
in the last right-hand place of figures used in expressing the specified limit, in
1.5 The values stated in either inch-pound or SI units are to
accordance with the rounding-off method of Practice E29.
D
be regarded separately as standard. The values stated in each Others includes all unlisted metallic elements. The producer may analyze
samples for trace elements not specified in the specification. However, such
system are not exact equivalents; therefore, each system must
analysis is not required and may not cover all metallic Others elements. Should
be used independently of the other. Combining values from the
any analysis by the producer or the purchaser establish that an Others element
exceeds the limit of Each or that the aggregate of several Others elements
two systems will result in nonconformance with the specifica-
exceeds the limit of Total, the material shall be considered nonconforming.
tion.
E
Other Elements—Total shall be the sum of unspecified metallic elements
1.6 This standard does not purport to address all of the
0.010 % or more, rounded to the second decimal before determining the sum.
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- B221 Specification for Aluminum and Aluminum-Alloy
Extruded Bars, Rods, Wire, Profiles, and Tubes
priate safety and health practices and determine the applicabil-
ity of regulatory limitations prior to use. B557 Test Methods for Tension Testing Wrought and Cast
Aluminum- and Magnesium-Alloy Products
2. Referenced Documents
B557M TestMethodsforTensionTestingWroughtandCast
2.1 The following documents of the issue in effect on the Aluminum- and Magnesium-Alloy Products (Metric)
dateofmaterialpurchaseformapartofthisspecificationtothe B647 Test Method for Indentation Hardness of Aluminum
extent referenced herein: Alloys by Means of a Webster Hardness Gage
3
2.2 ASTM Standards: B648 Test Method for Indentation Hardness of Aluminum
Alloys by Means of a Barcol Impressor
B660 Practices for Packaging/Packing of Aluminum and
1
Magnesium Products
This specification is under the jurisdiction of ASTM Committee B07 on Light
Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on
B666/B666M Practice for Identification Marking ofAlumi-
Aluminum Alloy Wrought Products.
num and Magnesium Products
Current edition approved Oct. 10, 2002. Published December 2002. Originally
B807/B807M Practice for Extrusion Press Solution Heat
approved in 1956. Last previous edition approved in 2000 as B308/B308M – 00.
Treatment for Aluminum Alloys
DOI: 10.1520/B0308_B0308M-02.
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi-
B881 TerminologyRelatingtoAluminum-andMagnesium-
cation SB-308 in Section II of that Code.
Alloy Products
3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
B918 Practice for Heat Treatment of Wrought Aluminum
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Docume
...

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SCOPE
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4.1 Tension tests provide information on the strength and ductility of materials under uniaxial tensile stresses. This information may be useful in comparisons of materials, alloy development, quality control, and design under certain circumstances.  
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4.1 Tension tests provide information on the strength and ductility of materials under uniaxial tensile stresses. This information may be useful in comparisons of materials, alloy development, quality control, and design under certain circumstances.  
4.2 The results of tension tests of specimens machined to standardized dimensions from selected portions of a part or material may not totally represent the strength and ductility properties of the entire end product or its in-service behavior in different environments.  
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Note 1: These metric test methods are the equivalents of those in Test Methods B557, and are compatible in technical content except for the requirement of longer gage lengths for round specimens.
Note 2: Foil is sheet metal less than 0.20 mm thick. There is an overlap in the thickness range 0.15 mm to 0.20 mm defined for foil and sheet. Sheet products in this thickness range are supplied to sheet product specifications and foil products in this thickness range are supplied to foil product specifications. Exceptions to the provisions of these test methods may need to be made in individual specifications or test methods for a particular material.  
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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
1.1 This specification2 covers aluminum and aluminum–alloy seamless pipe and seamless extruded round tube in the alloys and tempers shown in Table 1 [Table 2] intended for pressure applications. The standard sizes for seamless pipe are listed in Table 16.7 of ANSI H35.2 and H35.2(M). Nonstandard alloys, tempers, and sizes of pipe are produced as seamless extruded tube. Also included in this standard are seamless extruded pipe and seamless extruded tube for Oil & Gas Transmission previously covered under Specification B345/B345M.  
Note 1: Throughout this specification, use of the term alloy, in the general sense, includes aluminum as well as aluminum alloy.
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This specification covers corrugated aluminum alloy structural plate used in the construction of pipe, pipe-arches, arches, underpasses, box culverts, and special shapes for field assembly. The pipe, arches, and other shapes are generally used for drainage purposes, pedestrian and vehicular underpasses, and utility tunnels. Structural plates shall be fabricated from flat sheets or plates, corrugated, punched for bolted lap seams and curved to the required radius.
SCOPE
1.1 This specification covers corrugated aluminum alloy structural plate used in the construction of pipe, pipe-arches, arches, underpasses, box culverts, and special shapes for field assembly. Appropriate fasteners are also described. The pipe, arches, and other shapes are generally used for drainage purposes, pedestrian and vehicular underpasses, and utility tunnels. Aluminum box culvert shapes are covered in Specification B864/B864M.  
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5.1 The intent of this method is to provide a means of measuring the ultimate shear strength of aluminum-alloy wrought and cast products. Data obtained by this method are used to calculate minimum properties that can be utilized in the design of structural members such as found in aircraft. It is recognized that loading conditions developed by this method, and by most others, are not ideal in that they do not strictly satisfy the definition of pure shear. However, rarely do pure shear conditions exist in structures.
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1.1 This test method covers double-shear testing of wrought and cast aluminum products to determine shear ultimate strengths.  
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1.1 This specification2 covers aluminum and aluminum-alloy flat sheet, coiled sheet, and plate in the alloys (Note 1) and tempers shown in Tables 2, 3, 4, and 5, and in the following finishes:  
1.1.1 Plate in all alloys and sheet in heat-treatable alloys: mill finish.  
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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.
Note 2: For rolled or cold-finished bar and rod 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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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.
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.

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  • Technical specification
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    English language
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