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4004 Aluminum vs. 238.0 Aluminum

Both 4004 aluminum and 238.0 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 88% of their average alloy composition in common. There are 29 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 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
76
Elongation at Break, % 2.4
1.5
Fatigue Strength, MPa 42
110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
28
Tensile Strength: Ultimate (UTS), MPa 110
210
Tensile Strength: Yield (Proof), MPa 60
170

Thermal Properties

Latent Heat of Fusion, J/g 540
430
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 600
600
Melting Onset (Solidus), °C 560
510
Specific Heat Capacity, J/kg-K 910
840
Thermal Conductivity, W/m-K 130
100
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
25
Electrical Conductivity: Equal Weight (Specific), % IACS 120
67

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
3.4
Embodied Carbon, kg CO2/kg material 8.0
7.4
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1070
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 25
180
Stiffness to Weight: Axial, points 15
12
Stiffness to Weight: Bending, points 54
42
Strength to Weight: Axial, points 12
17
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 58
37
Thermal Shock Resistance, points 5.1
9.1

Alloy Composition


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Aluminum (Al), % 86 to 90
81.9 to 84.9
Copper (Cu), % 0 to 0.25
9.5 to 10.5
Iron (Fe), % 0 to 0.8
1.0 to 1.5
Magnesium (Mg), % 1.0 to 2.0
0 to 0.25
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 9.0 to 10.5
3.6 to 4.4
Zinc (Zn), % 0 to 0.2
1.0 to 1.5
Residuals, % 0 to 0.15
0