Typical mechanical properties of aluminum alloys (Typical Mechanical Properties) aluminum alloy grades and status tensile strength (25 ° C MPa) Yield Strength (25 ° C MPa) Hardness 500kg force 10mm ball elongation 1.6mm (1 / 16in) thickness 5052- H112 175 195 60 12 5083-H112 180 211 65 14 6061-T651 310 276 95 12 7050-T7451 Typical Physical Properties 510 455 135 10 7075-T651 572 503 150 11 2024-T351 470 325 120 20 aluminum (Typical Physical Properties ) aluminum alloy grades and status of thermal expansion coefficient (20-100 ℃) μm / m · k melting point range (℃) conductivity 20 ℃ (68 ℉) (% IACS) Resistivity 20 ℃ (68 ℉) Ωmm2 / m density (20 ℃) (g / cm3) 2024-T351 23.2 500-635 30 0.058 2.82 5052-H112 23.8 607-650 35 0.050 2.72 5083-H112 23.4 570-640 29 0.059 2.72 6061-T651 23.6 580-650 43 0.040 2.73 7050-T7451 23.5 490-630 41 0.0415 2.82 7075-T651 23.6 475-635 33 0.0515 2.82 aluminum alloy chemical composition (Chemical Composition Limit Of Aluminum) alloy grades of silicon Si Fe Cu Fe Cu Mn Mg Mg chrome manganese zinc Zn Cr Ti titanium aluminum each other a total minimum value of 3.8-4.9 0.3-0.9 1.2-1.8 0.5 2024 23.2 0.1 0.25 0.15 0.05 0.15 0.4 0.1 margin 505 225 0.1 0.1 2.2 to 2.8 0.15 to 0.35 - 0.05 0.15 0.4 0.1 0.3 - 1.0 23.8 5083 margin 4.0 4.9 0.05 - 0.25 0.25 0.15 0.05 0.15 0.7 23.6 6061 margin 0.15-0.4 0.8-1.2 0.04-0.35 0.15 0.25 0.15 0.05 0.15 0.15 20.-margin 23.5 2.6 7050 0.1 1.9-2.6 5.7-6.7 0.04 0.06 0.05 0.15 7075 margin 23.6 0.3 0.5 1.2-2.0 2.1-2.9 5.1-6.1 0.2 0.05 0.15 0.18-0.28 margin