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2007 Aluminum vs. Grade 19 Titanium

2007 aluminum belongs to the aluminum alloys classification, while grade 19 titanium belongs to the titanium 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 2007 aluminum and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
120
Elongation at Break, % 5.6 to 8.0
5.6 to 17
Fatigue Strength, MPa 91 to 110
550 to 620
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
47
Shear Strength, MPa 220 to 250
550 to 750
Tensile Strength: Ultimate (UTS), MPa 370 to 420
890 to 1300
Tensile Strength: Yield (Proof), MPa 240 to 270
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 190
370
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 510
1600
Specific Heat Capacity, J/kg-K 870
520
Thermal Conductivity, W/m-K 130
6.2
Thermal Expansion, µm/m-K 23
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
45
Density, g/cm3 3.1
5.0
Embodied Carbon, kg CO2/kg material 8.0
47
Embodied Energy, MJ/kg 150
760
Embodied Water, L/kg 1130
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
3040 to 5530
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
33
Strength to Weight: Axial, points 33 to 38
49 to 72
Strength to Weight: Bending, points 37 to 40
41 to 53
Thermal Diffusivity, mm2/s 48
2.4
Thermal Shock Resistance, points 16 to 19
57 to 83

Alloy Composition

Aluminum (Al), % 87.5 to 95
3.0 to 4.0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.1
5.5 to 6.5
Copper (Cu), % 3.3 to 4.6
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.8
0 to 0.3
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Silicon (Si), % 0 to 0.8
0
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
71.1 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 0.8
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants