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7129 Aluminum vs. 4006 Aluminum

Both 7129 Aluminum and 4006 aluminum are aluminum alloys. They have a moderately high 93% 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 7129 Aluminum and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 9.0 to 9.1
3.4 to 24
Fatigue Strength, MPa 150 to 190
35 to 110
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 250 to 260
70 to 91
Tensile Strength: Ultimate (UTS), MPa 430
110 to 160
Tensile Strength: Yield (Proof), MPa 380 to 390
62 to 140

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
620
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
220
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
56
Electrical Conductivity: Equal Weight (Specific), % IACS 120
180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.0
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.1
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 38
5.1 to 26
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1090
28 to 130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 41
11 to 16
Strength to Weight: Bending, points 43 to 44
19 to 24
Thermal Diffusivity, mm2/s 58
89
Thermal Shock Resistance, points 19
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 91 to 94
97.4 to 98.7
Chromium (Cr), % 0 to 0.1
0 to 0.2
Copper (Cu), % 0.5 to 0.9
0 to 0.1
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.3
0.5 to 0.8
Magnesium (Mg), % 1.3 to 2.0
0 to 0.010
Manganese (Mn), % 0 to 0.1
0 to 0.050
Silicon (Si), % 0 to 0.15
0.8 to 1.2
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 4.2 to 5.2
0 to 0.050
Residuals, % 0
0 to 0.15