ASTM B429/B429M-20

Standard Specification for Aluminum-Alloy Extruded Structural Pipe and Tube

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STANDARD published on 1.11.2020

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The information about the standard:

Designation standards: ASTM B429/B429M-20
Publication date standards: 1.11.2020
SKU: NS-1012986
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Category: Technical standards ASTM

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Annotation of standard text ASTM B429/B429M-20 :

This specification covers UNS A96061 or A96063 aluminum alloy extruded pipes and tubes intended for use in structural applications. The structural pipes and tubes that may be produced through a bridge/porthole type die or other approved methods are not for use in fluid-carrying applications involving pressure. Both alloys may be extrusion press solution heat treated to produce the specified tempers. Each pipe or tube should be supplied with plain square-cut ends and mill finished unless otherwise specified. Samples for chemical analysis should be taken from the materials by drilling, sawing, turning, or clipping and subjected to suitable chemical or spectrochemical methods of analysis.

Keywords:
aluminum alloy, extruded pipe, extruded tube,

Additional information

1. Scope

1.1?This specification covers aluminum-alloy extruded structural pipe and tube in those selected alloys shown in Table 1 and tempers shown in Table 2, and in those standard sizes shown in Tables 3-5, as well as in other nonstandard sizes as agreed upon between the purchaser and supplier. Such pipe and tube is intended for use in structural applications such as highway and bridge rails, chain-link fence posts, handrails, sign structures, awning supports, lighting brackets, etc. Structural pipe and tube is not intended for fluid-carrying applications involving pressure.

Note 1:?For drawn seamless tube used in pressure applications see Specifications B210/B210M, for seamless pipe and seamless extruded tube used in pressure applications see Specifications B241/B241M, and for drawn tube and pipe for general purpose applications see Specification B483/B483M.

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, A96061 for alloy 6061 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?UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard. SI units are shown in brackets. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

1.4.1?Metric SizesWhile this is a combined SI and inch-pound units specification, there are no standard equivalent metric designations for pipe. Metric sizes are converted and shown only for user convenience.

1.4.2?While this is a combined SI and inch-pound units specification, standard pipe sizes are not applicable to SI units, therefore non-rationalized SI units (soft conversions) are shown for reader convenience. Rationalized [hard converted] SI units are shown in brackets while non-rationalized (soft converted) SI units are shown in parentheses.

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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

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.

2. Referenced Documents

B918-01	Standard Practice for Heat Treatment of Wrought Aluminum Alloys
B807/B807M-20	Standard Practice for Extrusion Press Solution Heat Treatment for Aluminum Alloys
B666/B666M-20	Standard Practice for Identification Marking of Aluminum and Magnesium Products
B557M-15(2023)	Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products (Metric)
B557-15(2023)	Standard Test Methods for Tension Testing Wrought and Cast Aluminum- and Magnesium-Alloy Products
E1251-17a	Standard Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission Spectrometry (Includes all amendments and changes 10/26/2017).
H35.2(M)	Dimensional Tolerance for Aluminum Mill Products [Metric]
MIL-STD-129	Marking for Shipment and Storage Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://dodssp.daps.dla.mil.
Fed. Std. No. 123	Marking for Shipment (Civil Agencies)
CEN EN 14242	Aluminum and Aluminum Alloys, Chemical Analysis, Inductively Coupled Plasma Optical Emission Spectral Analysis Available from European Committee for Standardization (CEN), 36 rue de Stassart, B-1050, Brussels, Belgium, http://www.cenorm.be.
E716-16(2021)e2	Standard Practices for Sampling and Sample Preparation of Aluminum and Aluminum Alloys for Determination of Chemical Composition by Spark Atomic Emission Spectrometry (Includes all amendments and changes 9/7/2022).
B483/B483M-21	Standard Specification for Aluminum and Aluminum-Alloy Drawn Tube and Drawn Pipe for General Purpose Applications
B241/B241M-22	Standard Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded Tube
B210M-12	Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes (Metric) (Withdrawn 2019)
B660-23	Standard Practices for Packaging/Packing of Aluminum and Magnesium Products
E527-23	Standard Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
E34-11	Standard Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys
B210-12	Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E607-02	Standard Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique Nitrogen Atmosphere
B945-21	Standard Practice for Aluminum Alloy Extrusions Press Cooled from an Elevated Temperature Shaping Process for Production of T1, T2, T5 and T10-Type Tempers
B881-17	Standard Terminology Relating to Aluminum- and Magnesium-Alloy Products

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