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Grade C-5 Titanium vs. B443.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while B443.0 aluminum belongs to the aluminum alloys. There are 30 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 grade C-5 titanium and the bottom bar is B443.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
43
Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.7
4.9
Fatigue Strength, MPa 510
55
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Tensile Strength: Ultimate (UTS), MPa 1000
150
Tensile Strength: Yield (Proof), MPa 940
50

Thermal Properties

Latent Heat of Fusion, J/g 410
470
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
620
Melting Onset (Solidus), °C 1560
600
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
150
Thermal Expansion, µm/m-K 9.6
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.4
2.7
Embodied Carbon, kg CO2/kg material 38
8.0
Embodied Energy, MJ/kg 610
150
Embodied Water, L/kg 200
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
18
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 63
15
Strength to Weight: Bending, points 50
23
Thermal Diffusivity, mm2/s 2.9
61
Thermal Shock Resistance, points 71
6.8

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
91.9 to 95.5
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
0 to 0.15
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 0.8
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
4.5 to 6.0
Titanium (Ti), % 87.5 to 91
0 to 0.25
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15