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.
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 |
Aluminium alloy BS L168 - 2014A has similarities to the following standard designations and specifications but may not be a direct equivalent:
2014, AMS4121
The most common tempers for L168 - 2014A aluminium are:
L168-2014A aluminium is supplied in Bar, Rod and Extruded Sections.
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 |
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 |