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4004 Aluminum vs. 308.0 Aluminum

Both 4004 aluminum and 308.0 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 (3, in this case) are not shown.

For each property being compared, the top bar is 4004 aluminum and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 2.4
2.0
Fatigue Strength, MPa 42
89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 63
150
Tensile Strength: Ultimate (UTS), MPa 110
190
Tensile Strength: Yield (Proof), MPa 60
110

Thermal Properties

Latent Heat of Fusion, J/g 540
470
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 560
540
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 22
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
37
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 8.0
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1070
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 25
83
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
47
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 58
55
Thermal Shock Resistance, points 5.1
9.2

Alloy Composition

Aluminum (Al), % 86 to 90
85.7 to 91
Copper (Cu), % 0 to 0.25
4.0 to 5.0
Iron (Fe), % 0 to 0.8
0 to 1.0
Magnesium (Mg), % 1.0 to 2.0
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.5
Silicon (Si), % 9.0 to 10.5
5.0 to 6.0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 1.0
Residuals, % 0 to 0.15
0 to 0.5