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7050 Aluminum vs. 7005 Aluminum

Both 7050 aluminum and 7005 aluminum are aluminum alloys. They have a very high 96% 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 7050 aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 2.2 to 12
10 to 20
Fatigue Strength, MPa 130 to 210
100 to 190
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 280 to 330
120 to 230
Tensile Strength: Ultimate (UTS), MPa 490 to 570
200 to 400
Tensile Strength: Yield (Proof), MPa 390 to 500
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 370
380
Maximum Temperature: Mechanical, °C 190
200
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 490
610
Specific Heat Capacity, J/kg-K 860
880
Thermal Conductivity, W/m-K 140
140 to 170
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 100
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 55
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 1110 to 1760
65 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
47
Strength to Weight: Axial, points 45 to 51
19 to 38
Strength to Weight: Bending, points 45 to 50
26 to 41
Thermal Diffusivity, m2/s 54
54 to 65
Thermal Shock Resistance, points 21 to 25
8.7 to 18

Alloy Composition

Aluminum (Al), % 87.3 to 92.1
91 to 94.7
Chromium (Cr), % 0 to 0.040
0.060 to 0.2
Copper (Cu), % 2.0 to 2.6
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.4
Magnesium (Mg), % 1.9 to 2.6
1.0 to 1.8
Manganese (Mn), % 0 to 0.1
0.2 to 0.7
Silicon (Si), % 0 to 0.12
0 to 0.35
Titanium (Ti), % 0 to 0.060
0.010 to 0.060
Zinc (Zn), % 5.7 to 6.7
4.0 to 5.0
Zirconium (Zr), % 0.080 to 0.15
0.080 to 0.2
Residuals, % 0 to 0.15
0 to 0.15