Data Sheets

Aluminium Alloy   |   Commercial Alloy

5454 - H22 and H32 Sheet

Commercial5454 H22

Aluminium alloy 5454 has very good corrosion resistance, in particular to seawater and general environmental conditions. Strength is medium to high and similar alloy 5754 with good strength in the temperature range 65 to 170 degrees centigrade. It has a high fatigue strength. It is not suitable for complex or fine extrusions.

Applications 5454 is typically used in:
~ Road Transport Body-Building
~ Cemical and Process Plant
~ Pressure Vessels, Containers, Boilers
~ Cryogenics
~ Marine & Off-shore incl. Masts,
~ Pylons, poles & masts


Chemical Composition

BS EN 573-3:2009
Alloy 5454
Chemical Element % Present
Aluminium (Al) balance
Other (Each) 0.05 max
Copper (Cu) 0.1 max
Others (Total) 0.15 max
Chromium (Cr) 0.05 - 0.2
Titanium (Ti) 0.2 max
Silicon (Si) 0.25 max
Zinc (Zn) 0.25 max
Iron (Fe) 0.4 max
Manganese (Mn) 0.5 - 1
Magnesium (Mg) 2.4 - 3

Alloy Designations

Alloy 5454 corresponds to the following standard designations and specifications but may not be a direct equivalent:

A5454

ISO Al Mg3MN

Al 2.7Mg 0.8Mn Cr


Temper Types

The most common tempers for 5454 aluminium are shown below

  • O
  • H111
  • H22
  • H32

Supplied Forms

Alloy 5454 is supplied in most forms but is not suitable for fine or complex extrusions:

  • Plate
  • Sheet
  • Bar
  • Extrusions
  • Treadplate/Patterened Sheet
  • Tube
  • Wire

Generic Physical Properties

Physical Property Value
Density 2.69 g/cm³
Melting Point 645 °C
Thermal Expansion 23.6 x10^-6 /K
Modulus of Elasticity 70.5 GPa
Thermal Conductivity 135 W/m.K
Electrical Resistivity 34 % IACS

Mechanical Properties

BS EN 485-2:2008
Sheet - 0.2mm to 6.0mm thick
Mechanical Property Value
Proof Stress 180 Min MPa
Tensile Strength 250 - 305 MPa
Hardness Brinell 74 HB

Properties above are the range for material in the H22 and H32 conditions


Weldability

Alloy 5454 has good weldability by some methods but Soldering and Brazing are not recommended. 

Fabrication

Formability of Alloy 5454 is good in the softer tempers and it can be extruded.