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Grade C-5 Titanium vs. C443.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while C443.0 aluminum belongs to the aluminum alloys. There are 30 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 grade C-5 titanium and the bottom bar is C443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
65
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 6.7
9.0
Fatigue Strength, MPa 510
120
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1000
230
Tensile Strength: Yield (Proof), MPa 940
100

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
630
Melting Onset (Solidus), °C 1560
600
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
140
Thermal Expansion, µm/m-K 9.6
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
37
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
120

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.7
Embodied Carbon, kg CO2/kg material 38
7.9
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
17
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
70
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 63
24
Strength to Weight: Bending, points 50
31
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 71
10

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
89.6 to 95.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 2.0
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.050
0 to 0.5
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
4.5 to 6.0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.25