Technical data sheets
Aluminium Alloy | BS-L
L168 T6511 Bar
Aluminium alloy L168 - 2014A is a very high mechanical strength alloy used for critical applications and is the most widely used aluminium bar alloy in the aerospace industry.
It has very good machinability and is thus used for the production of complex machined parts.
Chemical Composition
|
BS L168(1978) Alloy L168 |
|
|---|---|
| Chemical Element | % Present |
| Aluminium (Al) | balance |
| Other (Each) | 0.05 max |
| Chromium (Cr) | 0.1 max |
| Nickel (Ni) | 0.1 max |
| Titanium (Ti) | 0.15 max |
| Others (Total) | 0.15 max |
| Titanium + Zirconium (Ti+Zr) | 0.2 max |
| Zinc (Zn) | 0.25 max |
| Iron (Fe) | 0.5 max |
| Magnesium (Mg) | 0.2 - 0.8 |
| Silicon (Si) | 0.5 - 0.9 |
| Manganese (Mn) | 0.4 - 1.2 |
| Copper (Cu) | 3.9 - 5 |
Alloy Designations
Aluminium alloy BS L168 - 2014A has similarities to the following standard designations and specifications but may not be a direct equivalent:
2014, AMS4121
Temper Types
The most common tempers for L168 - 2014A aluminium are:
- T6
- T6510
- T6511
Supplied Forms
L168-2014A aluminium is supplied in Bar, Rod and Extruded Sections.
- Bar
- Extrusions
Generic Physical Properties
| Physical Property | Value |
|---|---|
| Density | 2.80 g/cm³ |
| Melting Point | 640 °C |
| Thermal Expansion | 22.8 x10^-6 /K |
| Modulus of Elasticity | 73 GPa |
| Thermal Conductivity | 155 W/m.K |
| Electrical Resistivity | 40 % IACS |
Mechanical Properties
These Mechanical Properties are for bar in the T6511 temper
| Diameter | Proof Strength (Min) | Tensile Strenth (Min) | Elongation % (Min) |
| Up to & incl 2.5 | 370 | 415 | 6 |
| Over 2.5 up to and incl. 10 | 385 | 435 | 6 |
| Over 10 up to and incl. 25 | 415 | 460 | 7 |
| Over 25 up to and incl. 75 | 440 | 490 | 7 |
| Over 75 up to and incl. 100 | 435 | 480 | 7 |
| Over 100 up to and incl. 150 | 420 | 465 | 7 |
| Over 150 up to and incl. 200 | 390 | 435 | 7 |
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Last updated Monday, January 14, 2019
Disclaimer
This Data is indicative only and as such is not to be relied upon in place of the full specification. In particular, mechanical property requirements vary widely with temper, product and product dimensions. All information is based on our present knowledge and is given in good faith. No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon.
Please note that the 'Datasheet Update' date shown above is no guarantee of accuracy or whether the datasheet is up to date.
The information provided in this datasheet has been drawn from various recognised sources, including EN Standards, recognised industry references (printed & online) and manufacturers’ data. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.
Material supplied by the Company may vary significantly from this data, but will conform to all relevant and applicable standards.
As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose, whether expressed or implied.
Advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. All transactions are subject to the Company’s current Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.