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1080A Aluminum vs. AWS ERTi-7

1080A aluminum belongs to the aluminum alloys classification, while AWS ERTi-7 belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is 1080A aluminum and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 2.3 to 34
20
Fatigue Strength, MPa 18 to 50
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 74 to 140
340
Tensile Strength: Yield (Proof), MPa 17 to 120
280

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 640
1670
Melting Onset (Solidus), °C 640
1620
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 230
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 200
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.3
47
Embodied Energy, MJ/kg 160
800
Embodied Water, L/kg 1200
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
64
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 7.6 to 15
21
Strength to Weight: Bending, points 14 to 22
24
Thermal Diffusivity, mm2/s 94
8.8
Thermal Shock Resistance, points 3.3 to 6.4
26

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.030
0
Gallium (Ga), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.15
0 to 0.12
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Palladium (Pd), % 0
0.12 to 0.25
Silicon (Si), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.020
99.417 to 99.8
Zinc (Zn), % 0 to 0.060
0