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4004 Aluminum vs. 384.0 Aluminum

Both 4004 aluminum and 384.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 92% 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 4004 aluminum and the bottom bar is 384.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
74
Elongation at Break, % 2.4
2.5
Fatigue Strength, MPa 42
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
28
Shear Strength, MPa 63
200
Tensile Strength: Ultimate (UTS), MPa 110
330
Tensile Strength: Yield (Proof), MPa 60
170

Thermal Properties

Latent Heat of Fusion, J/g 540
550
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 600
580
Melting Onset (Solidus), °C 560
530
Specific Heat Capacity, J/kg-K 910
870
Thermal Conductivity, W/m-K 130
96
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
22
Electrical Conductivity: Equal Weight (Specific), % IACS 120
69

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 8.0
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1070
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
6.9
Resilience: Unit (Modulus of Resilience), kJ/m3 25
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
49
Strength to Weight: Axial, points 12
32
Strength to Weight: Bending, points 20
37
Thermal Diffusivity, mm2/s 58
39
Thermal Shock Resistance, points 5.1
15

Alloy Composition

Aluminum (Al), % 86 to 90
77.3 to 86.5
Copper (Cu), % 0 to 0.25
3.0 to 4.5
Iron (Fe), % 0 to 0.8
0 to 1.3
Magnesium (Mg), % 1.0 to 2.0
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 9.0 to 10.5
10.5 to 12
Tin (Sn), % 0
0 to 0.35
Zinc (Zn), % 0 to 0.2
0 to 3.0
Residuals, % 0 to 0.15
0 to 0.5