Properties of Aluminium Alloy 1050 Mechanical Properties of Aluminium Alloy 1050 Table 2. Typical mechanical properties for aluminium alloy 1050 | Temper | H12 | H14 | H16 | H18 | 0 | | Proof Stress 0.2% (MPa) | 85 | 105 | 120 | 140 | 35 | | Tensile Strength (MPa) | 100 | 115 | 130 | 150 | 80 | | Shear Strength (MPa) | 60 | 70 | 80 | 85 | 50 | | Elongation A5 (%) | 12 | 10 | 7 | 6 | 42 | | Hardness Vickers (HV) | 30 | 36 | - | 44 | 20 | Physical Properties of Aluminium Alloy 1050 Table 3. Typical physical properties for aluminium alloy 1050 | Property | Value | | Density | 2.71 g/cm3 | | Melting Point | 650°C | | Modulus of Elasticity | 71 GPa | | Electrical Resistivity | 0.0282x10-6 Ω.m | | Thermal Conductivity | 222 W/m.K | | Thermal Expansion | 24x10-6 /K | Alloy Designations Aluminium alloy 1050 also corresponds to the following designations: Fabrication of Aluminium Alloy 1050 Welding When welding Aluminium alloy 1050 to itself or an alloy from the same subgroup the recommended filler wire is 1100. For welding to alloys 5083 and 5086 or alloys from the 7XXX series, the recommended wire is 5356. For other alloys use 4043 filler wire. Fabrication Response Table 4. Typical fabrication response for aluminium alloy 1050 | Process | Rating | | Workability – Cold | Excellent | | Machinability | Poor | | Weldability – Gas | Excellent | | Weldability – Arc | Excellent | | Weldability – Resistance | Excellent | | Brazability | Excellent | | Solderability | Excellent | Temper Aluminium alloy 1050 is most commonly supplied in sheet form with a H14 temper. H14 refers to work hardening of the alloy to a half hard temper. |