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206.0 Aluminum vs. 4045 Aluminum

Both 206.0 aluminum and 4045 aluminum are aluminum alloys. They have 90% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 206.0 aluminum and the bottom bar is 4045 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 8.4 to 12
2.3
Fatigue Strength, MPa 88 to 210
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 260
69
Tensile Strength: Ultimate (UTS), MPa 330 to 440
120
Tensile Strength: Yield (Proof), MPa 190 to 350
64

Thermal Properties

Latent Heat of Fusion, J/g 390
540
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 570
580
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
45
Electrical Conductivity: Equal Weight (Specific), % IACS 99
160

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.6
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 49
2.4
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 840
29
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
54
Strength to Weight: Axial, points 30 to 40
13
Strength to Weight: Bending, points 35 to 42
21
Thermal Diffusivity, mm2/s 46
74
Thermal Shock Resistance, points 17 to 23
5.7

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
87.4 to 91
Copper (Cu), % 4.2 to 5.0
0 to 0.3
Iron (Fe), % 0 to 0.15
0 to 0.8
Magnesium (Mg), % 0.15 to 0.35
0 to 0.050
Manganese (Mn), % 0.2 to 0.5
0 to 0.050
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 0 to 0.1
9.0 to 11
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15