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3105 Aluminum vs. 7005 Aluminum

Both 3105 aluminum and 7005 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 3105 aluminum and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants