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3105 Aluminum vs. 355.0 Aluminum

Both 3105 aluminum and 355.0 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 355.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 29 to 67
72 to 83
Elastic (Young's, Tensile) Modulus, GPa 69
71
Elongation at Break, % 1.1 to 20
1.5 to 2.6
Fatigue Strength, MPa 39 to 95
55 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 77 to 140
150 to 240
Tensile Strength: Ultimate (UTS), MPa 120 to 240
200 to 260
Tensile Strength: Yield (Proof), MPa 46 to 220
150 to 190

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 180
180
Melting Completion (Liquidus), °C 660
620
Melting Onset (Solidus), °C 640
560
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 170
150 to 170
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
38 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120 to 140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.8
2.7
Embodied Carbon, kg CO2/kg material 8.2
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
2.7 to 5.9
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
150 to 250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 12 to 24
20 to 27
Strength to Weight: Bending, points 20 to 31
28 to 33
Thermal Diffusivity, mm2/s 68
60 to 69
Thermal Shock Resistance, points 5.2 to 11
9.1 to 12

Alloy Composition

Aluminum (Al), % 96 to 99.5
90.3 to 94.1
Chromium (Cr), % 0 to 0.2
0 to 0.25
Copper (Cu), % 0 to 0.3
1.0 to 1.5
Iron (Fe), % 0 to 0.7
0 to 0.6
Magnesium (Mg), % 0.2 to 0.8
0.4 to 0.6
Manganese (Mn), % 0.3 to 0.8
0 to 0.5
Silicon (Si), % 0 to 0.6
4.5 to 5.5
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.4
0 to 0.35
Residuals, % 0
0 to 0.15