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5182 Aluminum vs. 7003 Aluminum

Both 5182 aluminum and 7003 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 5182 aluminum and the bottom bar is 7003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 1.1 to 12
11
Fatigue Strength, MPa 100 to 130
130 to 150
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 25
26
Shear Strength, MPa 170 to 240
210 to 230
Tensile Strength: Ultimate (UTS), MPa 280 to 420
350 to 390
Tensile Strength: Yield (Proof), MPa 130 to 360
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 390
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 590
510
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 130
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
36
Electrical Conductivity: Equal Weight (Specific), % IACS 94
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.9
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 49
37 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 950
630 to 710
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
47
Strength to Weight: Axial, points 29 to 44
33 to 37
Strength to Weight: Bending, points 36 to 47
37 to 40
Thermal Diffusivity, mm2/s 53
59
Thermal Shock Resistance, points 12 to 19
15 to 17

Alloy Composition

Aluminum (Al), % 93.2 to 95.8
90.6 to 94.5
Chromium (Cr), % 0 to 0.1
0 to 0.2
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.35
0 to 0.35
Magnesium (Mg), % 4.0 to 5.0
0.5 to 1.0
Manganese (Mn), % 0.2 to 0.5
0 to 0.3
Silicon (Si), % 0 to 0.2
0 to 0.3
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.25
5.0 to 6.5
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15