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1435 Aluminum vs. 7108 Aluminum

Both 1435 aluminum and 7108 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common.

For each property being compared, the top bar is 1435 aluminum and the bottom bar is 7108 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
69
Elongation at Break, % 4.1 to 32
11
Fatigue Strength, MPa 27 to 49
120
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 54 to 87
210
Tensile Strength: Ultimate (UTS), MPa 81 to 150
350
Tensile Strength: Yield (Proof), MPa 23 to 130
290

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
630
Melting Onset (Solidus), °C 640
530
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 230
150
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
39
Electrical Conductivity: Equal Weight (Specific), % IACS 200
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.2
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.0 to 20
38
Resilience: Unit (Modulus of Resilience), kJ/m3 3.8 to 110
620
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 8.3 to 15
34
Strength to Weight: Bending, points 15 to 23
38
Thermal Diffusivity, mm2/s 93
59
Thermal Shock Resistance, points 3.6 to 6.7
16

Alloy Composition

Aluminum (Al), % 99.35 to 99.7
92.4 to 94.7
Copper (Cu), % 0 to 0.020
0 to 0.050
Iron (Fe), % 0.3 to 0.5
0 to 0.1
Magnesium (Mg), % 0 to 0.050
0.7 to 1.4
Manganese (Mn), % 0 to 0.050
0 to 0.050
Silicon (Si), % 0 to 0.15
0 to 0.1
Titanium (Ti), % 0 to 0.030
0 to 0.050
Zinc (Zn), % 0 to 0.1
4.5 to 5.5
Zirconium (Zr), % 0
0.12 to 0.25
Residuals, % 0
0 to 0.15