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5182 Aluminum vs. 7049A Aluminum

Both 5182 aluminum and 7049A aluminum are aluminum alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is 5182 aluminum and the bottom bar is 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
71
Elongation at Break, % 1.1 to 12
5.0 to 5.7
Fatigue Strength, MPa 100 to 130
180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
27
Shear Strength, MPa 170 to 240
340 to 350
Tensile Strength: Ultimate (UTS), MPa 280 to 420
580 to 590
Tensile Strength: Yield (Proof), MPa 130 to 360
500 to 530

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 590
430
Specific Heat Capacity, J/kg-K 900
850
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
40
Electrical Conductivity: Equal Weight (Specific), % IACS 94
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.9
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
28 to 32
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
1800 to 1990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
44
Strength to Weight: Axial, points 29 to 44
52 to 53
Strength to Weight: Bending, points 36 to 47
50 to 51
Thermal Diffusivity, mm2/s 53
50
Thermal Shock Resistance, points 12 to 19
25

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
84.6 to 89.5
Chromium (Cr), % 0 to 0.1
0.050 to 0.25
Copper (Cu), % 0 to 0.15
1.2 to 1.9
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 4.0 to 5.0
2.1 to 3.1
Manganese (Mn), % 0.2 to 0.5
0 to 0.5
Silicon (Si), % 0 to 0.2
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.25
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0 to 0.15
0 to 0.15