MakeItFrom.com
Menu (ESC)

6105 Aluminum vs. 6018 Aluminum

Both 6105 aluminum and 6018 aluminum are aluminum alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is 6105 aluminum and the bottom bar is 6018 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
69
Elongation at Break, % 9.0 to 16
9.0 to 9.1
Fatigue Strength, MPa 95 to 130
85 to 89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 120 to 170
170 to 180
Tensile Strength: Ultimate (UTS), MPa 190 to 280
290 to 300
Tensile Strength: Yield (Proof), MPa 120 to 270
220 to 230

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 600
570
Specific Heat Capacity, J/kg-K 900
890
Thermal Conductivity, W/m-K 180 to 190
170
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 46 to 50
44
Electrical Conductivity: Equal Weight (Specific), % IACS 150 to 170
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.3
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
24 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
360 to 380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 51
48
Strength to Weight: Axial, points 20 to 29
28 to 29
Strength to Weight: Bending, points 28 to 35
34 to 35
Thermal Diffusivity, mm2/s 72 to 79
65
Thermal Shock Resistance, points 8.6 to 12
13

Alloy Composition

Aluminum (Al), % 97.2 to 99
93.1 to 97.8
Bismuth (Bi), % 0
0.4 to 0.7
Chromium (Cr), % 0 to 0.1
0 to 0.1
Copper (Cu), % 0 to 0.1
0.15 to 0.4
Iron (Fe), % 0 to 0.35
0 to 0.7
Lead (Pb), % 0
0.4 to 1.2
Magnesium (Mg), % 0.45 to 0.8
0.6 to 1.2
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Silicon (Si), % 0.6 to 1.0
0.5 to 1.2
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.3
Residuals, % 0
0 to 0.15