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2030 Aluminum vs. Grade C-2 Titanium

2030 aluminum belongs to the aluminum alloys classification, while grade C-2 titanium belongs to the titanium alloys. There are 29 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 2030 aluminum and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 5.6 to 8.0
17
Fatigue Strength, MPa 91 to 110
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Tensile Strength: Ultimate (UTS), MPa 370 to 420
390
Tensile Strength: Yield (Proof), MPa 240 to 270
310

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 190
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 510
1610
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 23
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1140
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
61
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
35
Strength to Weight: Axial, points 33 to 38
24
Strength to Weight: Bending, points 37 to 40
26
Thermal Diffusivity, mm2/s 50
8.8
Thermal Shock Resistance, points 16 to 19
30

Alloy Composition

Aluminum (Al), % 88.9 to 95.2
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.2
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.5 to 1.3
0
Manganese (Mn), % 0.2 to 1.0
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 0 to 0.8
0
Titanium (Ti), % 0 to 0.2
98.8 to 100
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.4