Applications:
High strength structural components for aircraft , military vehicles and bridges, weapons manufacture, structural applications.
Characteristics:
Heat treatable alloy. High mechanical strength slightly higher than 2011 and 2017A.
|
BS 2L93(1971) Alloy L93 |
|
|---|---|
| Chemical Element | % Present |
| Aluminium (Al) | balance |
| Tin (Sn) | 0.05 max |
| Lead (Pb) | 0.05 max |
| Chromium (Cr) | 0.1 max |
| Titanium + Zirconium (Ti+Zr) | 0.2 max |
| Zinc (Zn) | 0.2 max |
| Nickel (Ni) | 0.2 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 L93 - 2014A is covered by Standard BS EN 2100 and has similarities to the following standard designations and specifications but may not be a direct equivalent:
2014 / 2014A AMS 4029
The most common tempers for L93 - 2014A aluminium are:
L93-2014A aluminium is supplied in Plate
| Physical Property | Value |
|---|---|
| Density | 2800 g/cm³ |
| Melting Point | 640 °C |
| Thermal Expansion | 22.8 x10^-6 /K |
| Modulus of Elasticity | 73000 GPa |
| Thermal Conductivity | 134 - 135 W/m.K |
These Mechanical Properties apply to plate in the T651 temper
| Thickness (mm) | Proof strength (Min) | Tensile Strength (Min) | Elongation % (Min) |
| Over 6 up to & incl. 12.5 | 410 | 460 | 7 |
| Over 12.5 up to & incl. 25 | 410 | 460 | 6 |
| Over 25 up to & incl. 40 | 400 | 450 | 5 |
| Over 40up to & incl. 63 | 390 | 430 | 5 |
| Over 63 up to & incl. 90 | 390 | 430 | 4 |
| Over 90 up to & incl. 115 | 370 | 420 | 4 |
| Over 115 up to & incl.140 | 350 | 410 | 4 |