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2014 Aluminum vs. AWS ERTi-7

2014 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 2014 aluminum and the bottom bar is AWS ERTi-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
110
Elongation at Break, % 1.5 to 16
20
Fatigue Strength, MPa 90 to 160
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 190 to 500
340
Tensile Strength: Yield (Proof), MPa 100 to 440
280

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 210
320
Melting Completion (Liquidus), °C 630
1670
Melting Onset (Solidus), °C 510
1620
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 150
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.3

Otherwise Unclassified Properties

Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 8.1
47
Embodied Energy, MJ/kg 150
800
Embodied Water, L/kg 1130
470

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
64
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
35
Strength to Weight: Axial, points 18 to 46
21
Strength to Weight: Bending, points 25 to 46
24
Thermal Diffusivity, mm2/s 58
8.8
Thermal Shock Resistance, points 8.4 to 22
26

Alloy Composition

Aluminum (Al), % 90.4 to 95
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.9 to 5.0
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.7
0 to 0.12
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.4 to 1.2
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), % 0.5 to 1.2
0
Titanium (Ti), % 0 to 0.15
99.417 to 99.8
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0