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Grade 1 Titanium vs. 8090 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while 8090 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is 8090 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 28
3.5 to 13
Fatigue Strength, MPa 170
91 to 140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
25
Tensile Strength: Ultimate (UTS), MPa 310
340 to 490
Tensile Strength: Yield (Proof), MPa 220
210 to 420

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
190
Melting Completion (Liquidus), °C 1660
660
Melting Onset (Solidus), °C 1610
600
Specific Heat Capacity, J/kg-K 540
960
Thermal Conductivity, W/m-K 20
95 to 160
Thermal Expansion, µm/m-K 8.8
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
20
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
66

Otherwise Unclassified Properties

Base Metal Price, % relative 37
18
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
8.6
Embodied Energy, MJ/kg 510
170
Embodied Water, L/kg 110
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
16 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 230
340 to 1330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 19
34 to 49
Strength to Weight: Bending, points 23
39 to 50
Thermal Diffusivity, mm2/s 8.2
36 to 60
Thermal Shock Resistance, points 24
15 to 22

Alloy Composition

Aluminum (Al), % 0
93 to 98.4
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
1.0 to 1.6
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.3
Lithium (Li), % 0
2.2 to 2.7
Magnesium (Mg), % 0
0.6 to 1.3
Manganese (Mn), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 99.095 to 100
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.16
Residuals, % 0
0 to 0.15