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ASTM B/BM: Standard Specification for Aluminum-Alloy Extruded Bar, Rod, Tube, Pipe, Structural Profiles, and Profiles for Electrical Purposes (Bus. Find the most up-to-date version of ASTM B at Engineering (UNS a) is an aluminum bar containing a heat treatable wrought alloy best suited for applications involving moderate strength and maximum.

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T63 F for 19 hours and air cool. T61 – 17 ksi. See also Cold Working. Filler rod of the same alloy should be used. The preferred method of welding is by means of inert gas arc welding for best results. It is informational only and not an official part of the standard; astn full text of the standard itself must be referred to for its use and application. Link to Active This link will always route to the current Active version of the standard.

Hot working generally is not required because the alloy has very good cold working characteristics. Type A material, last covered in the issue of this specification, is no longer available; therefore, requirements for cold-finished rectangular bar have been deleted. It is hardened strengthened by heat treatment. Hardens due to cold working or aging heat treatment — see “Aging”. Modulus of Elasticity Tension. The AL alloy does respond to heat treatment which is accomplished by annealing and relatively low temperature aging.


ASTM B317/B317M – 07(2015)E1

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but b3317 not provided as part of the standard. Tensile properties of the specimens such as tensile and yield strengths and bending shall be determined by tension test and bending test, respectively.

T63 – 21 ksi. Machinability by conventional means is good. T61 F for 6 hours and air cool. Historical Version s – view previous versions of standard. Shear strength values are: T6 F for 20 hours and air cool. No data, although atm alloy is considered forgeable. Combining values from the two systems may result in non-conformance with the standard.

Aluminum T61 Extruded Round Pipe Schedule 40 ASTM B – SarahFlynnTSIt

When welded in the heat treated condition the subsequent parts will be lower in strength because of weld heat input. The bars, rods, tubes, pipes, structural profiles and profiles shall be produced by hot extrusion or by similar methods. This specification covers aluminum-alloy extruded bar, rod, tube, pipe, Schedules 40 and 80structural profiles, and profiles in selected tempers for use as electric conductors.

See “Annealing” and “Aging”. T6 – 22 ksi. Pipe or tube may be produced through porthole or bridge type dies. Use of an oil base lubricant during machining operations is recommended.

Welding by all of the standard processes may be done, including gas torch welding. Electrical bus bar conductor applications for use in enclosed bus electrical installations. Annealing is done at F for 3 hours at temperature, followed by controlled cooling at a rate of 50 F per hour down to F, then air cool.


This abstract is a brief summary of the referenced standard. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

This is a high electrical conductivity aluminum alloy also possessing good mechanical strength properties. The values stated in each system may not be exact equivalents; therefore each system shall be used independently of the other.

Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required This material is stocked primarily in Bar Products by 7 distributors but is also available to a lesser extent in Tubular Products.

A stress relief anneal after cold working may be done at F with air cooling.

Either carbide or high speed tool steel tooling may be used. Aging is done astn different temperatures and times, depending upon the finished temper desired as follows: Forming characteristics are good by conventional processes. Electrical resistivity and conductivity shall be determined.

Easily cold worked, or cold formed in either the annealed or aged conditions.