ASTM B221-21

Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ABSTRACT
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.
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 Specifications B210/B210M or B241/B241M, or both as appropriate, for seamless pipe and tube used in fluid-carrying applications involving pressure. See Specification B234, 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 A complete metric companion to Specification B221 has been developed—Specification B221M; therefore, no metric equivalents are presented in this specification.  
1.5 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.

General Information

• Status: Published
• Publication Date: 31-Aug-2021
• ICS: 77.150.10 - Aluminium products
• Technical Committee: B07 - Light Metals and Alloys
• Drafting Committee: B07.03 - Aluminum Alloy Wrought Products

Standards Content (Sample)

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:B221 −21
Standard Specification for
Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire,
1
Profiles, and Tubes
This standard is issued under the fixed designation B221; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber 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* mendations issued by the World Trade Organization Technical
2 Barriers to Trade (TBT) Committee.
1.1 This specification covers aluminum and aluminum-
alloy extruded bars, rods, wire, profiles, and tubes in the
2. Referenced Documents
aluminum alloys (Note 1) and tempers shown in Table 2.
2.1 The following documents of the issue in effect on the
NOTE 1—Throughout this specification, the use of the term alloy in the
date of material purchase, unless otherwise noted, form a part
general sense includes aluminum as well as aluminum alloy.
of this specification to the extent referenced herein:
NOTE 2—For rolled or cold-finished bar and rod refer to Specification
3
B211/B211M, for drawn seamless tube used in pressure applications,
2.2 ASTM Standards:
Specification B210/B210M, for structural pipe and tube, Specification
B210/B210MSpecification for Aluminum and Aluminum-
B429/B429M, and for seamless pipe and tube used in pressure
Alloy Drawn Seamless Tubes
applications, Specification B241/B241M.
B211/B211MSpecification for Aluminum and Aluminum-
NOTE3—Pipeandtubeproductslistedinthisspecificationareintended
for general purpose applications. This specification may not address the Alloy Rolled or Cold Finished Bar, Rod, and Wire
manufacturing processes, integrity testing, and verification required for
B234Specification for Aluminum and Aluminum-Alloy
fluid-carrying applications involving pressure. See Specifications B210/
Drawn Seamless Tubes for Surface Condensers,
B210M or B241/B241M, or both as appropriate, for seamless pipe and
Evaporators, and Heat Exchangers
tube used in fluid-carrying applications involving pressure. See Specifi-
B241/B241MSpecification for Aluminum and Aluminum-
cation B234, as appropriate, for use in surface condensers, evaporators,
and heat exchangers.
Alloy Seamless Pipe and Seamless Extruded Tube
B429/B429MSpecification for Aluminum-Alloy Extruded
1.2 Alloy and temper designations are in accordance with
Structural Pipe and Tube
ANSI H35.1/H35.1M. The equivalent Unified Numbering
B557Test Methods for Tension Testing Wrought and Cast
SystemalloydesignationsarethoseofTable1precededbyA9;
Aluminum- and Magnesium-Alloy Products
for example, A91100 for Aluminum 1100 in accordance with
B594Practice for Ultrasonic Inspection ofAluminum-Alloy
Practice E527.
Wrought Products
1.3 For acceptance criteria for inclusion of new aluminum
B660Practices for Packaging/Packing of Aluminum and
and aluminum alloys in this specification, see Annex A2.
Magnesium Products
1.4 AcompletemetriccompaniontoSpecificationB221has
B666/B666MPractice for Identification Marking of Alumi-
been developed—Specification B221M; therefore, no metric num and Magnesium Products
equivalents are presented in this specification.
B807/B807MPractice for Extrusion Press Solution Heat
Treatment for Aluminum Alloys
1.5 This international standard was developed in accor-
B881Terminology Relating toAluminum- and Magnesium-
dance with internationally recognized principles on standard-
Alloy Products
ization established in the Decision on Principles for the
B918/B918MPractice for Heat Treatment of Wrought Alu-
Development of International Standards, Guides and Recom-
minum Alloys
B945Practice forAluminumAlloy Extrusions Press Cooled
from an Elevated Temperature Shaping Process for Pro-
1
This specification is under the jurisdiction ofASTM Committee B07 on Light
duction of T1, T2, T5 and T10–Type Tempers
Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on
Aluminum Alloy Wrought Products.
Current edition approved Sept. 1, 2021. Published November 2021. Originally
3
approved in 1947. Last previous edition approved in 2020 as B221–20. DOI: For referenced ASTM standards, visit the ASTM website, www.astm.org, or
10.1520/B0221-21. contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi- Standards volume information, refer to the standard’s Document Summary page on
cation SB-221 in Section II of this Code. the ASTM website.
*A Summary of Changes section appears at the end of this stand
...

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: B221 − 20 B221 − 21
Standard Specification for
Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire,
1
Profiles, and Tubes
This standard is issued under the fixed designation B221; 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
1.1 This specification 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 B211B211/B211M, for drawn seamless tube used in pressure applications,
Specification B210B210/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 Specifications B210B210/
B210M or B241/B241M, or both as appropriate, for seamless pipe and tube used in fluid-carrying applications involving pressure. See Specification B234,
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 A complete metric companion to Specification B221 has been developed—Specification B221M; therefore, no metric
equivalents are presented in this specification.
1.5 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 the date of material purchase, unless otherwise noted, form a part of this
specification to the extent referenced herein:
1
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 Aluminum
Alloy Wrought Products.
Current edition approved Dec. 1, 2020Sept. 1, 2021. Published January 2021November 2021. Originally approved in 1947. Last previous edition approved in 20142020
as B221 – 14.B221 – 20. DOI: 10.1520/B0221-20.10.1520/B0221-21.
2
For ASME Boiler and Pressure Vessel Code applications see related Specification SB-221 in Section II of this Code.
*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

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B221 − 21
3
2.2 ASTM Standards:
B210B210/B210M Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes (Metric) B0210_B0210M
B211B211/B211M Specification for Aluminum and Aluminum-Alloy Rolled or Cold-Finished Cold Finished Bar, Rod, and Wire
(Metric) B0211_B0211M
B234 Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes for Surface Condensers, Evaporators, and Heat
Exchangers
B241/B241M Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube
B429/B429M Specification for Aluminum-Alloy Extruded Structural Pipe and Tube
B557 Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
B594 Practice for Ultrasonic Inspection of Aluminum-Alloy Wrought Products
B660 Practices for Packaging/Packing of Aluminum and Magnesium Products
B666/B666M Practice for Identification Marking of Aluminum and Magnesium Products
B807/B807M Practice for Extrusion Press Solution Heat Treatment for Aluminum Alloys
B881 Terminology Relating to Aluminum- and Mag
...