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7049 Aluminum vs. 5082 Aluminum

Both 7049 aluminum and 5082 aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
67
Elongation at Break, % 6.2 to 7.0
1.1
Fatigue Strength, MPa 160 to 170
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
25
Shear Strength, MPa 300 to 310
210 to 230
Tensile Strength: Ultimate (UTS), MPa 510 to 530
380 to 400
Tensile Strength: Yield (Proof), MPa 420 to 450
300 to 340

Thermal Properties

Latent Heat of Fusion, J/g 370
400
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
560
Specific Heat Capacity, J/kg-K 860
910
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
32
Electrical Conductivity: Equal Weight (Specific), % IACS 110
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.9
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
670 to 870
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
51
Strength to Weight: Axial, points 46 to 47
39 to 41
Strength to Weight: Bending, points 46 to 47
43 to 45
Thermal Diffusivity, mm2/s 51
54
Thermal Shock Resistance, points 22 to 23
17 to 18

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
93.5 to 96
Chromium (Cr), % 0.1 to 0.22
0 to 0.15
Copper (Cu), % 1.2 to 1.9
0 to 0.15
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 2.0 to 2.9
4.0 to 5.0
Manganese (Mn), % 0 to 0.2
0 to 0.15
Silicon (Si), % 0 to 0.25
0 to 0.2
Titanium (Ti), % 0 to 0.1
0 to 0.1
Zinc (Zn), % 7.2 to 8.2
0 to 0.25
Residuals, % 0
0 to 0.15