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Grade C-5 Titanium vs. 390.0 Aluminum

Grade C-5 titanium belongs to the titanium alloys classification, while 390.0 aluminum belongs to the aluminum alloys. There are 30 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 grade C-5 titanium and the bottom bar is 390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
120
Elastic (Young's, Tensile) Modulus, GPa 110
75
Elongation at Break, % 6.7
1.0
Fatigue Strength, MPa 510
76 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
28
Tensile Strength: Ultimate (UTS), MPa 1000
280 to 300
Tensile Strength: Yield (Proof), MPa 940
240 to 270

Thermal Properties

Latent Heat of Fusion, J/g 410
640
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
650
Melting Onset (Solidus), °C 1560
560
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.1
130
Thermal Expansion, µm/m-K 9.6
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
24 to 25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
79 to 83

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.4
2.7
Embodied Carbon, kg CO2/kg material 38
7.3
Embodied Energy, MJ/kg 610
130
Embodied Water, L/kg 200
950

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 66
2.7 to 2.9
Resilience: Unit (Modulus of Resilience), kJ/m3 4200
380 to 470
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 63
28 to 30
Strength to Weight: Bending, points 50
35 to 36
Thermal Diffusivity, mm2/s 2.9
56
Thermal Shock Resistance, points 71
14 to 15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
74.5 to 79.6
Carbon (C), % 0 to 0.1
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Silicon (Si), % 0
16 to 18
Titanium (Ti), % 87.5 to 91
0 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.2