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4115 Aluminum vs. 6105 Aluminum

Both 4115 aluminum and 6105 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 4115 aluminum and the bottom bar is 6105 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 1.1 to 11
9.0 to 16
Fatigue Strength, MPa 39 to 76
95 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 71 to 130
120 to 170
Tensile Strength: Ultimate (UTS), MPa 120 to 220
190 to 280
Tensile Strength: Yield (Proof), MPa 39 to 190
120 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
410
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 590
600
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
180 to 190
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
46 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 140
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1160
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.1 to 10
25 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 11 to 270
100 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
51
Strength to Weight: Axial, points 12 to 23
20 to 29
Strength to Weight: Bending, points 20 to 30
28 to 35
Thermal Diffusivity, mm2/s 66
72 to 79
Thermal Shock Resistance, points 5.2 to 9.9
8.6 to 12

Alloy Composition

Aluminum (Al), % 94.6 to 97.4
97.2 to 99
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0.1 to 0.5
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 0.1 to 0.5
0.45 to 0.8
Manganese (Mn), % 0.6 to 1.2
0 to 0.1
Silicon (Si), % 1.8 to 2.2
0.6 to 1.0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0
0 to 0.15