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7005 Aluminum vs. 3105 Aluminum

Both 7005 aluminum and 3105 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. There are 31 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 7005 aluminum and the bottom bar is 3105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 10 to 20
1.1 to 20
Fatigue Strength, MPa 100 to 190
39 to 95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 230
77 to 140
Tensile Strength: Ultimate (UTS), MPa 200 to 400
120 to 240
Tensile Strength: Yield (Proof), MPa 95 to 350
46 to 220

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 640
660
Melting Onset (Solidus), °C 610
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 140 to 170
170
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 43
44
Electrical Conductivity: Equal Weight (Specific), % IACS 110 to 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Calomel Potential, mV -850
-750
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 57
2.6 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 850
15 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 19 to 38
12 to 24
Strength to Weight: Bending, points 26 to 41
20 to 31
Thermal Diffusivity, mm2/s 54 to 65
68
Thermal Shock Resistance, points 8.7 to 18
5.2 to 11

Alloy Composition

Aluminum (Al), % 91 to 94.7
96 to 99.5
Chromium (Cr), % 0.060 to 0.2
0 to 0.2
Copper (Cu), % 0 to 0.1
0 to 0.3
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 1.0 to 1.8
0.2 to 0.8
Manganese (Mn), % 0.2 to 0.7
0.3 to 0.8
Silicon (Si), % 0 to 0.35
0 to 0.6
Titanium (Ti), % 0.010 to 0.060
0 to 0.1
Zinc (Zn), % 4.0 to 5.0
0 to 0.4
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0
0 to 0.15

Comparable Variants