Strength in numbers

Aluminium Alloy   |   BS-L

3L54 Tube


Drawn Tube

Characteristic Properties:
Very good atmospheric corrosion resistance and workability. High thermal conductivity and reflectivity but lower than for 1050A. Very good weldability. Slightly higher strength than 1050A.

Chemical Composition

BS 4L54(1986)
Alloy 3L54
Chemical Element % Present
Manganese (Mn) 0.05 max
Titanium (Ti) 0.05 max
Copper (Cu) 0.05 max
Other (Each) 0.05 max
Zinc (Zn) 0.1 max
Others (Total) 0.15 max
Silicon + Iron (Si+Fe) 1 max
Aluminium (Al) 99 min

The tube shall be supplied cold drawn.

Alloy Designations

Aluminium alloy 3L54 - 1200 is covered by Standard BS EN 4L54 (1986) 

Temper Types

The most common tempers for 3L54 - 1200 aluminium is cold drawn

Supplied Forms

3L54-1200 aluminium is supplied as cold drawn tube

  • Tube

Generic Physical Properties

Physical Property Value
Density 2.59 g/cm³
Melting Point 657 °C
Thermal Expansion 23.4 x10^-6 /K
Modulus of Elasticity 69 GPa
Thermal Conductivity 225 W/m.K
Electrical Resistivity 58.5 % IACS

Mechanical Properties

BS 4L54(1986)
Seamless Tube - Up to and inc. 75mm OD
Mechanical Property Value
Tensile Strength 125 Min MPa

The tensile value shown relates to tubes with a nominal outside diameter up to and including 75mm. The value for over 75mm shall be 110 N/mm2. Tubes shall be subjected to a single drifting test, a bore test and a hydraulic test according to the formula shown in the specification.