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4004 Aluminum vs. 8176 Aluminum

Both 4004 aluminum and 8176 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 4004 aluminum and the bottom bar is 8176 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.4
15
Fatigue Strength, MPa 42
59
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 63
70
Tensile Strength: Ultimate (UTS), MPa 110
160
Tensile Strength: Yield (Proof), MPa 60
95

Thermal Properties

Latent Heat of Fusion, J/g 540
400
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 600
660
Melting Onset (Solidus), °C 560
650
Specific Heat Capacity, J/kg-K 910
900
Thermal Conductivity, W/m-K 130
230
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
61
Electrical Conductivity: Equal Weight (Specific), % IACS 120
200

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.7
Embodied Carbon, kg CO2/kg material 8.0
8.2
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1070
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
21
Resilience: Unit (Modulus of Resilience), kJ/m3 25
66
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
50
Strength to Weight: Axial, points 12
16
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 58
93
Thermal Shock Resistance, points 5.1
7.0

Alloy Composition

Aluminum (Al), % 86 to 90
98.6 to 99.6
Copper (Cu), % 0 to 0.25
0
Gallium (Ga), % 0
0 to 0.030
Iron (Fe), % 0 to 0.8
0.4 to 1.0
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0 to 0.1
0
Silicon (Si), % 9.0 to 10.5
0.030 to 0.15
Zinc (Zn), % 0 to 0.2
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15