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3303 Aluminum vs. 7010 Aluminum

Both 3303 aluminum and 7010 aluminum are aluminum alloys. They have 90% of their average alloy composition in common.

For each property being compared, the top bar is 3303 aluminum and the bottom bar is 7010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 23
3.9 to 6.8
Fatigue Strength, MPa 43
160 to 190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Shear Strength, MPa 69
300 to 340
Tensile Strength: Ultimate (UTS), MPa 110
520 to 590
Tensile Strength: Yield (Proof), MPa 39
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 620
480
Specific Heat Capacity, J/kg-K 900
860
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
22 to 33
Resilience: Unit (Modulus of Resilience), kJ/m3 11
1230 to 2130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 11
47 to 54
Strength to Weight: Bending, points 18
47 to 52
Thermal Diffusivity, mm2/s 67
58
Thermal Shock Resistance, points 4.8
22 to 26

Alloy Composition


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Aluminum (Al), % 96.6 to 99
87.9 to 90.6
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0.050 to 0.2
1.5 to 2.0
Iron (Fe), % 0 to 0.7
0 to 0.15
Magnesium (Mg), % 0
2.1 to 2.6
Manganese (Mn), % 1.0 to 1.5
0 to 0.1
Nickel (Ni), % 0
0 to 0.050
Silicon (Si), % 0 to 0.6
0 to 0.12
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.3
5.7 to 6.7
Zirconium (Zr), % 0
0.1 to 0.16
Residuals, % 0 to 0.15
0 to 0.15