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3105 Aluminum vs. 712.0 Aluminum

Both 3105 aluminum and 712.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 29 to 67
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 1.1 to 20
4.5 to 4.7
Fatigue Strength, MPa 39 to 95
140 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 77 to 140
180
Tensile Strength: Ultimate (UTS), MPa 120 to 240
250 to 260
Tensile Strength: Yield (Proof), MPa 46 to 220
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 180
190
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
610
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 170
160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
40
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
11
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
240 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
46
Strength to Weight: Axial, points 12 to 24
24 to 25
Strength to Weight: Bending, points 20 to 31
30 to 31
Thermal Diffusivity, mm2/s 68
62
Thermal Shock Resistance, points 5.2 to 11
11

Alloy Composition

Aluminum (Al), % 96 to 99.5
90.7 to 94
Chromium (Cr), % 0 to 0.2
0.4 to 0.6
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 0 to 0.7
0 to 0.5
Magnesium (Mg), % 0.2 to 0.8
0.5 to 0.65
Manganese (Mn), % 0.3 to 0.8
0 to 0.1
Silicon (Si), % 0 to 0.6
0 to 0.3
Titanium (Ti), % 0 to 0.1
0.15 to 0.25
Zinc (Zn), % 0 to 0.4
5.0 to 6.5
Residuals, % 0
0 to 0.2