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3105 Aluminum vs. A242.0 Aluminum

Both 3105 aluminum and A242.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is 3105 aluminum and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 29 to 67
75
Elastic (Young's, Tensile) Modulus, GPa 69
73
Elongation at Break, % 1.1 to 20
1.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 120 to 240
220

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 660
680
Melting Onset (Solidus), °C 640
550
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 170
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 12 to 24
20
Strength to Weight: Bending, points 20 to 31
26
Thermal Diffusivity, mm2/s 68
52
Thermal Shock Resistance, points 5.2 to 11
9.3

Alloy Composition

Aluminum (Al), % 96 to 99.5
89.3 to 93.1
Chromium (Cr), % 0 to 0.2
0.15 to 0.25
Copper (Cu), % 0 to 0.3
3.7 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.8
Magnesium (Mg), % 0.2 to 0.8
1.2 to 1.7
Manganese (Mn), % 0.3 to 0.8
0 to 0.1
Nickel (Ni), % 0
1.8 to 2.3
Silicon (Si), % 0 to 0.6
0 to 0.6
Titanium (Ti), % 0 to 0.1
0.070 to 0.2
Zinc (Zn), % 0 to 0.4
0 to 0.1
Residuals, % 0
0 to 0.15