Applications:
High strength tubing.
Characteristics:
Heat treatable alloy. High mechanical strength slightly higher than 2011 and 2017A.
|
BS L105(1971) Alloy L105 |
|
|---|---|
| Chemical Element | % Present |
| Aluminium (Al) | balance |
| Tin (Sn) | 0.05 max |
| Lead (Pb) | 0.05 max |
| Chromium (Cr) | 0.1 max |
| Zinc (Zn) | 0.2 max |
| Titanium + Zirconium (Ti+Zr) | 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 |
Material shall be supplied treated, drawn and aged at room temperature. Material shall be heat treated as follows: 1. Solution treat by heating at a temperature of 505+/- 5C and quenching in water at a temperature not exceeding 40C. 2. Age at room temperature for not less than 48 hours.
Aluminium alloy L105 - 2014A is covered by Standard BS EN 2100 and has similarities to the following standard designations and specifications:
2014 / 2014A AMS 4121
The most common temper for L105 - 2014A aluminium tube is:
L105-2014A aluminium is supplied as tube
| 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 | 134 - 135 W/m.K |
|
BS L105(1971) Tube - |
|
|---|---|
| Mechanical Property | Value |
| Proof Stress | 290 Min MPa |
| Tensile Strength | 400 Min MPa |
| Elongation A50 mm | 10 Min % |
Tube re-solutionised and naturally aged without cold drawing may be expected to have reduced machanical properties.