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2011 Aluminum vs. AWS ERTi-1

2011 aluminum belongs to the aluminum alloys classification, while AWS ERTi-1 belongs to the titanium alloys. There are 29 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 2011 aluminum and the bottom bar is AWS ERTi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 8.5 to 18
24
Fatigue Strength, MPa 74 to 120
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 310 to 420
240
Tensile Strength: Yield (Proof), MPa 140 to 310
170

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 7.9
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
52
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 27 to 37
15
Strength to Weight: Bending, points 32 to 40
19
Thermal Diffusivity, mm2/s 51 to 64
8.7
Thermal Shock Resistance, points 14 to 19
19

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 5.0 to 6.0
0
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 0 to 0.7
0 to 0.080
Lead (Pb), % 0.2 to 0.6
0
Nitrogen (N), % 0
0 to 0.012
Oxygen (O), % 0
0.030 to 0.1
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0
99.773 to 99.97
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0