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7108 Aluminum vs. 3004 Aluminum

Both 7108 aluminum and 3004 aluminum are aluminum alloys. They have a moderately high 95% 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 7108 aluminum and the bottom bar is 3004 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 11
1.1 to 19
Fatigue Strength, MPa 120
55 to 120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 210
100 to 180
Tensile Strength: Ultimate (UTS), MPa 350
170 to 310
Tensile Strength: Yield (Proof), MPa 290
68 to 270

Thermal Properties

Latent Heat of Fusion, J/g 380
400
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 530
630
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
42
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38
3.2 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 620
33 to 540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 34
18 to 31
Strength to Weight: Bending, points 38
25 to 37
Thermal Diffusivity, mm2/s 59
65
Thermal Shock Resistance, points 16
7.6 to 13

Alloy Composition

Aluminum (Al), % 92.4 to 94.7
95.6 to 98.2
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.1
0 to 0.7
Magnesium (Mg), % 0.7 to 1.4
0.8 to 1.3
Manganese (Mn), % 0 to 0.050
1.0 to 1.5
Silicon (Si), % 0 to 0.1
0 to 0.3
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 4.5 to 5.5
0 to 0.25
Zirconium (Zr), % 0.12 to 0.25
0
Residuals, % 0
0 to 0.15