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7003 Aluminum vs. 4004 Aluminum

Both 7003 aluminum and 4004 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7003 aluminum and the bottom bar is 4004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
71
Elongation at Break, % 11
2.4
Fatigue Strength, MPa 130 to 150
42
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 210 to 230
63
Tensile Strength: Ultimate (UTS), MPa 350 to 390
110
Tensile Strength: Yield (Proof), MPa 300 to 310
60

Thermal Properties

Latent Heat of Fusion, J/g 380
540
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 630
600
Melting Onset (Solidus), °C 510
560
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.6
Embodied Carbon, kg CO2/kg material 8.1
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 41
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 630 to 710
25
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 47
54
Strength to Weight: Axial, points 33 to 37
12
Strength to Weight: Bending, points 37 to 40
20
Thermal Diffusivity, mm2/s 59
58
Thermal Shock Resistance, points 15 to 17
5.1

Alloy Composition


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Aluminum (Al), % 90.6 to 94.5
86 to 90
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.2
0 to 0.25
Iron (Fe), % 0 to 0.35
0 to 0.8
Magnesium (Mg), % 0.5 to 1.0
1.0 to 2.0
Manganese (Mn), % 0 to 0.3
0 to 0.1
Silicon (Si), % 0 to 0.3
9.0 to 10.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 5.0 to 6.5
0 to 0.2
Zirconium (Zr), % 0.050 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.15