Properties of Aluminium Alloy 5083 Mechanical Properties of Aluminium Alloy 5083 Table 2. Typical mechanical properties for aluminium alloy 5083 | Temper | H32 | 0/H111 | | Proof Stress 0.2% (MPa) | 240 | 145 | | Tensile Strength (MPa) | 330 | 300 | | Shear Strength (MPa) | 185 | 175 | | Elongation A5 (%) | 17 | 23 | | Hardness Vickers (HV) | 95 | 75 | Physical Properties of Aluminium Alloy 5083 Table 3. Typical physical properties for aluminium alloy 5083 | Property | Value | | Density | 2.65 g/cm3 | | Melting Point | 570°C | | Modulus of Elasticity | 72 GPa | | Electrical Resistivity | 0.058x10-6 Ω.m | | Thermal Conductivity | 121 W/m.K | | Thermal Expansion | 25x10-6 /K | Alloy Designations Aluminium 5083 also corresponds to the following standard designations and specifications: | Al Mg4.5Mn0.7 | AlMg4.5Mn | | GM41 | A95083 | Fabrication of Aluminium Alloy 5083 Welding When welding Aluminium 5083 to itself or another alloy from the same sub-group, the recommended filler metal is 5183. Other suitable fillers are 5356 and 5556. Fabrication Response Table 4. Typical fabrication response for aluminium alloy 5083 | Process | Rating | | Workability – Cold | Average | | Machinability | Poor | | Weldability – Gas | Average | | Weldability – Arc | Excellent | | Weldability – Resistance | Excellent | | Brazability | Poor | | Solderability | Poor | Temper The most common tempers for Aluminium 5083 are: · 0 – Annealed wrought alloy · H111 – Some work hardening imparted by shaping processes but less than required for a H11 temper. · H32 – Work hardened and stabilised with a quarter hard temper. | 
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