ALUMINIUM SHEET

Aluminium 5083 is known for exceptional performance in extreme environments. 5083 is highly resistant to attack by both seawater and industrial chemical environments.
Alloy 5083 also retains exceptional strength after welding. It has the highest strength of the non-heat treatable alloys but is not recommended for use in temperatures in excess of 65°C.

Applications
Alloy 5083 is typically used in:
~ Shipbuilding
~ Rail cars
~ Vehicle bodies
~ Tip truck bodies
~ Mine skips and cages
~ Pressure vessels

aluminum-alloy-6082

Mechanical Properties shown are for 0/H111 temper


Chemical Composition

Spec: BS EN 573-3:2009

Alloy 5083

Chemical Element % Present
Manganese (Mn) 0.40 - 1.00
Iron (Fe) 0.40 max
Copper (Cu) 0.10 max
Magnesium (Mg) 4.00 - 4.90
Silicon (Si) 0.0 - 0.40
Zinc (Zn) 0.0 - 0.10
Chromium (Cr) 0.05 - 0.25
Titanium (Ti) 0.05 - 0.25
Other (Each) 0.0 - 0.05
Others (Total) 0.0 - 0.15
Aluminium (Al) Balance

Properties

Physical Property Value
Density 265 g/cm³
Melting Point 570 °C
Thermal Expansion 25 x10^-6 /K
Modulus of Elasticity 72 GPa
Thermal Conductivity 121 W/m.K
Electrical Resistivity 0.058 x10^-6 Ω .m

Spec: BS EN 485-2:2008

Sheet - 0.2 - 6.3mm Thick

Mechanical Property Value
Proof Stress 125 Min MPa
Tensile Strength 275 - 350 MPa
Hardness Brinell 75 HB

Spec: BS EN 485-2:2008

Plate - 6.3mm to 80mm

Mechanical Property Value
Proof Stress 115 Min MPa
Tensile Strength 270 - 345 MPa
Hardness Brinell 75 HB

Spec: BS EN 485-2:2008

Plate - 80mm to 120mm

Mechanical Property Value
Proof Stress 110 Min MPa
Tensile Strength 260 Min MPa
Hardness Brinell 70 HB
Elongation A 12 Min %

Alloy Designations

Alloy 5083 corresponds to the following standard designations and specifications but may not be a direct equivalent: :

GM41

A95083

AlMG4.5Mn

Al Mg4.5 Mn0.7

 

 


Temper Types

The most common tempers for 5083 aluminium are:

  • O - Soft
  • H111 - Some work hardening imparted by shaping processes but less than required for H11 temper
  • H32 - Work hardened by rolling then stabilised by low-temperature heat treatment to quarter hard

Supplied Forms

  • Plate
  • Sheet

Weldability

When welding 5083 to itself or another alloy from the same sub-group, the recommended filler metal is 5183. Other suitable fillers are 5356 and 5556.

 

Weldability – Gas: Average

Weldability – Arc: Excellent

Weldability – Resistance: Excellent

Brazability: Poor

Solderability: Poor


Fabrication

Workability – Cold: Average

Machinability: Poor