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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Forming characteristics are good by conventional processes. 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. Easily cold worked, or cold formed in either the annealed or aged conditions.

See also Cold Working. T6 F for 20 hours and air cool. Historical Version s – view previous versions of standard. Welding by all of the standard processes may be done, including gas torch welding. 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.

6101 Aluminum Bar

Electrical resistivity and conductivity shall be determined. Link to Active This link will always route to the current Active version of the standard. Aging is done at different temperatures and times, depending upon the finished temper desired as follows: Hardens due to cold working or aging heat treatment — see “Aging”. T61 – 17 ksi.


Shear strength values are: T63 F for 19 hours and air cool. Pipe or tube may be produced through porthole or bridge type dies.

Modulus of Elasticity Tension. Electrical bus bar conductor applications for use in enclosed bus electrical installations. T6 – 22 ksi. The preferred method of welding is by means of inert gas arc welding for best results. It is hardened strengthened by heat treatment. A stress relief anneal after cold working may be done at F with air cooling.

Use of an oil base lubricant during machining operations is recommended. It is 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. 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.

Tensile properties of the specimens such as tensile and yield strengths and bending shall be determined by tension test and bending test, respectively. The AL alloy does respond to heat treatment which is accomplished by annealing and relatively low temperature aging.

ASTM B317 Grade 6101 T6

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.

Annealing is done at F for 3 hours at temperature, followed by controlled cooling asym a rate of 50 F per hour down to F, then air cool. Machinability by conventional means is good. Combining values from the two systems may result in non-conformance with the standard. No data, although the alloy is considered forgeable. Distributors will offer small quantity buys while mills will generally only sell large quantities, b371 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.


Filler rod of the same alloy should be used. Hot working generally is not required because the alloy has very good cold working characteristics. Either carbide or high speed tool astj tooling may be used.

Aluminum Material Property Data Sheet – Product availability and request a quote

Referenced Documents purchase separately The documents listed below are referenced within the wstm standard but are not provided as part of the standard. This abstract is a brief summary of the referenced standard.

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 wstm extrusion or by similar methods. See “Annealing” and “Aging”. T61 F for 6 hours and air cool. T63 – 21 ksi.

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