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AWS ERTi-7 vs. 2011 Aluminum

AWS ERTi-7 belongs to the titanium alloys classification, while 2011 aluminum belongs to the aluminum 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 AWS ERTi-7 and the bottom bar is 2011 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 20
8.5 to 18
Fatigue Strength, MPa 190
74 to 120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 340
310 to 420
Tensile Strength: Yield (Proof), MPa 280
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
540
Specific Heat Capacity, J/kg-K 540
870
Thermal Conductivity, W/m-K 21
140 to 170
Thermal Expansion, µm/m-K 8.7
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
35 to 45
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
100 to 130

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.1
Embodied Carbon, kg CO2/kg material 47
7.9
Embodied Energy, MJ/kg 800
150
Embodied Water, L/kg 470
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
29 to 52
Resilience: Unit (Modulus of Resilience), kJ/m3 360
140 to 680
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
44
Strength to Weight: Axial, points 21
27 to 37
Strength to Weight: Bending, points 24
32 to 40
Thermal Diffusivity, mm2/s 8.8
51 to 64
Thermal Shock Resistance, points 26
14 to 19

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.6
Bismuth (Bi), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
5.0 to 6.0
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0 to 0.7
Lead (Pb), % 0
0.2 to 0.6
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Palladium (Pd), % 0.12 to 0.25
0
Silicon (Si), % 0
0 to 0.4
Titanium (Ti), % 99.417 to 99.8
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15