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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Aluminum Bar – Flat ASTM B/BM Bar | TW Metals

The preferred method of welding is by means of inert gas arc welding for best results. Aging is done at different temperatures and times, depending upon the finished temper desired as follows: Easily cold worked, or cold formed in either the annealed or aged conditions. Forming characteristics are good by conventional processes. 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.

T6 F for 20 hours and air cool.

A stress relief anneal after asttm working may be done at F with air cooling. Historical Version s – view previous versions of standard. Shear strength values are: Filler rod of the same alloy should be used.

b3177 Tensile properties of the specimens such as tensile and yield strengths and bending shall be determined by tension test and bending test, respectively. No data, although the alloy is considered forgeable. Pipe or tube may be produced through porthole or bridge type dies.


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 Ast, material is stocked primarily in Bar Products by 7 distributors but is also available to a lesser extent in Tubular Products.

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. It is hardened strengthened by heat treatment.

Either carbide or high speed tool steel tooling may be used. Combining values from the two systems may result in non-conformance with the standard.

ASTM B317/B317M – 07(2015)E1

Link to Active This link will always route to the current Active version of the standard. T63 F for 19 hours and air cool. The values stated in each system may not be exact equivalents; therefore each system shall be used independently of the other. The AL alloy does respond to heat treatment which is accomplished by annealing and relatively low temperature aging. Hot working generally is not b31 because the alloy has very good cold working characteristics. Machinability by conventional means is good.

See “Annealing” and “Aging”. This abstract is a brief summary of the referenced standard. T6 – 22 ksi. When welded in the heat treated condition the subsequent parts will be lower in strength because of weld heat input. T61 F for 6 hours and air cool.


B3317 – 17 ksi. It h317 informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. T63 – 21 ksi. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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. See also Cold Working. Electrical resistivity and conductivity shall be determined.

Electrical bus bar conductor applications for use in enclosed bus electrical installations. This specification covers aluminum-alloy extruded bar, rod, tube, pipe, Schedules 40 and 80structural profiles, and profiles in aetm tempers for use as electric conductors.

The bars, rods, tubes, pipes, structural profiles and profiles shall be produced by hot extrusion or by similar methods.

This is a high electrical conductivity aluminum alloy also possessing good mechanical strength properties. Modulus of Elasticity Tension. 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.

Hardens qstm to cold working or aging heat treatment — see “Aging”.