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A390.0 Aluminum vs. Grade C-2 Titanium

A390.0 aluminum belongs to the aluminum alloys classification, while grade C-2 titanium belongs to the titanium 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 A390.0 aluminum and the bottom bar is grade C-2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
180
Elastic (Young's, Tensile) Modulus, GPa 75
110
Elongation at Break, % 0.87 to 0.91
17
Fatigue Strength, MPa 70 to 100
200
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 28
40
Tensile Strength: Ultimate (UTS), MPa 190 to 290
390
Tensile Strength: Yield (Proof), MPa 190 to 290
310

Thermal Properties

Latent Heat of Fusion, J/g 640
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 580
1660
Melting Onset (Solidus), °C 480
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 20
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 67
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 7.3
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 950
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.6 to 2.6
61
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 580
460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
35
Strength to Weight: Axial, points 19 to 30
24
Strength to Weight: Bending, points 27 to 36
26
Thermal Diffusivity, mm2/s 56
8.8
Thermal Shock Resistance, points 9.0 to 14
30

Alloy Composition

Aluminum (Al), % 75.3 to 79.6
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 16 to 18
0
Titanium (Ti), % 0 to 0.2
98.8 to 100
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4