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Grade 19 Titanium vs. 5082 Aluminum

Grade 19 titanium belongs to the titanium alloys classification, while 5082 aluminum belongs to the aluminum alloys. There are 28 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 19 titanium and the bottom bar is 5082 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
67
Elongation at Break, % 5.6 to 17
1.1
Fatigue Strength, MPa 550 to 620
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
25
Shear Strength, MPa 550 to 750
210 to 230
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
380 to 400
Tensile Strength: Yield (Proof), MPa 870 to 1170
300 to 340

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 370
180
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1600
560
Specific Heat Capacity, J/kg-K 520
910
Thermal Conductivity, W/m-K 6.2
130
Thermal Expansion, µm/m-K 9.1
24

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 5.0
2.7
Embodied Carbon, kg CO2/kg material 47
8.9
Embodied Energy, MJ/kg 760
150
Embodied Water, L/kg 230
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
4.0 to 4.3
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
670 to 870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
51
Strength to Weight: Axial, points 49 to 72
39 to 41
Strength to Weight: Bending, points 41 to 53
43 to 45
Thermal Diffusivity, mm2/s 2.4
54
Thermal Shock Resistance, points 57 to 83
17 to 18

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
93.5 to 96
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0 to 0.15
Copper (Cu), % 0
0 to 0.15
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.35
Magnesium (Mg), % 0
4.0 to 5.0
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Silicon (Si), % 0
0 to 0.2
Titanium (Ti), % 71.1 to 77
0 to 0.1
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.15

Comparable Variants