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308.0 Aluminum vs. EN AC-44000 Aluminum

Both 308.0 aluminum and EN AC-44000 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 94% 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 308.0 aluminum and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
51
Elastic (Young's, Tensile) Modulus, GPa 73
71
Elongation at Break, % 2.0
7.3
Fatigue Strength, MPa 89
64
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 190
180
Tensile Strength: Yield (Proof), MPa 110
86

Thermal Properties

Latent Heat of Fusion, J/g 470
560
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 620
590
Melting Onset (Solidus), °C 540
590
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 140
140
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
36
Electrical Conductivity: Equal Weight (Specific), % IACS 110
130

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.9
2.5
Embodied Carbon, kg CO2/kg material 7.7
7.8
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1080
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3
11
Resilience: Unit (Modulus of Resilience), kJ/m3 83
51
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 47
55
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 25
28
Thermal Diffusivity, mm2/s 55
61
Thermal Shock Resistance, points 9.2
8.4

Alloy Composition

Aluminum (Al), % 85.7 to 91
87.1 to 90
Copper (Cu), % 4.0 to 5.0
0 to 0.050
Iron (Fe), % 0 to 1.0
0 to 0.19
Magnesium (Mg), % 0 to 0.1
0 to 0.45
Manganese (Mn), % 0 to 0.5
0 to 0.1
Silicon (Si), % 5.0 to 6.0
10 to 11.8
Titanium (Ti), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 1.0
0 to 0.070
Residuals, % 0
0 to 0.1