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8011A Aluminum vs. AWS ERTi-7

8011A 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 (2, in this case) are not shown.

For each property being compared, the top bar is 8011A aluminum and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.7 to 28
20
Fatigue Strength, MPa 33 to 76
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 100 to 180
340
Tensile Strength: Yield (Proof), MPa 34 to 170
280

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 650
1670
Melting Onset (Solidus), °C 630
1620
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 210
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 180
7.3

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.2
47
Embodied Energy, MJ/kg 150
800
Embodied Water, L/kg 1180
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
64
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 11 to 18
21
Strength to Weight: Bending, points 18 to 26
24
Thermal Diffusivity, mm2/s 86
8.8
Thermal Shock Resistance, points 4.6 to 8.1
26

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0.5 to 1.0
0 to 0.12
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
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), % 0.4 to 0.8
0
Titanium (Ti), % 0 to 0.050
99.417 to 99.8
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0