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3105 Aluminum vs. 1235 Aluminum

Both 3105 aluminum and 1235 aluminum are aluminum alloys. They have a very high 99% of their average alloy composition in common. There are 30 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 1235 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 1.1 to 20
28 to 34
Fatigue Strength, MPa 39 to 95
23 to 58
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 77 to 140
52 to 56
Tensile Strength: Ultimate (UTS), MPa 120 to 240
80 to 84
Tensile Strength: Yield (Proof), MPa 46 to 220
23 to 57

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 660
640
Melting Onset (Solidus), °C 640
640
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 170
230
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
60
Electrical Conductivity: Equal Weight (Specific), % IACS 140
200

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
8.3
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1180
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6 to 19
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 15 to 340
3.8 to 24
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 12 to 24
8.2 to 8.6
Strength to Weight: Bending, points 20 to 31
15 to 16
Thermal Diffusivity, mm2/s 68
93
Thermal Shock Resistance, points 5.2 to 11
3.6 to 3.7

Alloy Composition

Aluminum (Al), % 96 to 99.5
99.35 to 100
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.3
0 to 0.050
Iron (Fe), % 0 to 0.7
0 to 0.65
Magnesium (Mg), % 0.2 to 0.8
0 to 0.050
Manganese (Mn), % 0.3 to 0.8
0 to 0.050
Silicon (Si), % 0 to 0.6
0 to 0.65
Titanium (Ti), % 0 to 0.1
0 to 0.060
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.4
0 to 0.1
Residuals, % 0 to 0.15
0

Comparable Variants