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5051A Aluminum vs. 7005 Aluminum

Both 5051A aluminum and 7005 aluminum are aluminum alloys. They have a very high 95% 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 5051A aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 18 to 21
10 to 20
Fatigue Strength, MPa 51 to 61
100 to 190
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 110
120 to 230
Tensile Strength: Ultimate (UTS), MPa 170
200 to 400
Tensile Strength: Yield (Proof), MPa 56
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 610
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
140 to 170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 130
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.5
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 27
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 23
65 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 17 to 18
19 to 38
Strength to Weight: Bending, points 25
26 to 41
Thermal Diffusivity, mm2/s 63
54 to 65
Thermal Shock Resistance, points 7.6
8.7 to 18

Alloy Composition

Aluminum (Al), % 96.1 to 98.6
91 to 94.7
Chromium (Cr), % 0 to 0.3
0.060 to 0.2
Copper (Cu), % 0 to 0.050
0 to 0.1
Iron (Fe), % 0 to 0.45
0 to 0.4
Magnesium (Mg), % 1.4 to 2.1
1.0 to 1.8
Manganese (Mn), % 0 to 0.25
0.2 to 0.7
Silicon (Si), % 0 to 0.3
0 to 0.35
Titanium (Ti), % 0 to 0.1
0.010 to 0.060
Zinc (Zn), % 0 to 0.2
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants