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204.0 Aluminum vs. 3105 Aluminum

Both 204.0 aluminum and 3105 aluminum are aluminum alloys. They have a very high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 204.0 aluminum and the bottom bar is 3105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90 to 120
29 to 67
Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 5.7 to 7.8
1.1 to 20
Fatigue Strength, MPa 63 to 77
39 to 95
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 230 to 340
120 to 240
Tensile Strength: Yield (Proof), MPa 180 to 220
46 to 220

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 650
660
Melting Onset (Solidus), °C 580
640
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 19
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29 to 34
44
Electrical Conductivity: Equal Weight (Specific), % IACS 87 to 100
140

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 23
2.6 to 19
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 350
15 to 340
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
50
Strength to Weight: Axial, points 21 to 31
12 to 24
Strength to Weight: Bending, points 28 to 36
20 to 31
Thermal Diffusivity, mm2/s 46
68
Thermal Shock Resistance, points 12 to 18
5.2 to 11

Alloy Composition

Aluminum (Al), % 93.4 to 95.5
96 to 99.5
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 4.2 to 5.0
0 to 0.3
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 0.15 to 0.35
0.2 to 0.8
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.2
0 to 0.6
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0 to 0.1
Zinc (Zn), % 0 to 0.1
0 to 0.4
Residuals, % 0
0 to 0.15