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1070A Aluminum vs. 308.0 Aluminum

Both 1070A aluminum and 308.0 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 31 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 1070A aluminum and the bottom bar is 308.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
70
Elastic (Young's, Tensile) Modulus, GPa 68
73
Elongation at Break, % 2.3 to 33
2.0
Fatigue Strength, MPa 17 to 51
89
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 44 to 81
150
Tensile Strength: Ultimate (UTS), MPa 68 to 140
190
Tensile Strength: Yield (Proof), MPa 17 to 120
110

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 640
620
Melting Onset (Solidus), °C 640
540
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 230
140
Thermal Expansion, µm/m-K 23
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
37
Electrical Conductivity: Equal Weight (Specific), % IACS 200
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
10
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.2
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1200
1080

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
3.3
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
83
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 7.0 to 14
18
Strength to Weight: Bending, points 14 to 22
25
Thermal Diffusivity, mm2/s 94
55
Thermal Shock Resistance, points 3.1 to 6.3
9.2

Alloy Composition


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Aluminum (Al), % 99.7 to 100
85.7 to 91
Copper (Cu), % 0 to 0.030
4.0 to 5.0
Iron (Fe), % 0 to 0.25
0 to 1.0
Magnesium (Mg), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0 to 0.030
0 to 0.5
Silicon (Si), % 0 to 0.2
5.0 to 6.0
Titanium (Ti), % 0 to 0.030
0 to 0.25
Zinc (Zn), % 0 to 0.070
0 to 1.0
Residuals, % 0
0 to 0.5