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2219 Aluminum vs. Titanium 6-7

2219 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is 2219 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
120
Elongation at Break, % 2.2 to 20
11
Fatigue Strength, MPa 90 to 130
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
45
Shear Strength, MPa 110 to 280
610
Tensile Strength: Ultimate (UTS), MPa 180 to 480
1020
Tensile Strength: Yield (Proof), MPa 88 to 390
900

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 230
300
Melting Completion (Liquidus), °C 640
1700
Melting Onset (Solidus), °C 540
1650
Specific Heat Capacity, J/kg-K 870
520
Thermal Expansion, µm/m-K 22
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 3.1
5.1
Embodied Carbon, kg CO2/kg material 8.2
34
Embodied Energy, MJ/kg 150
540
Embodied Water, L/kg 1130
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
110
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
3460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
32
Strength to Weight: Axial, points 16 to 43
56
Strength to Weight: Bending, points 23 to 44
44
Thermal Shock Resistance, points 8.2 to 22
66

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 5.8 to 6.8
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.3
0 to 0.25
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0
6.5 to 7.5
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0.020 to 0.1
84.9 to 88
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0 to 0.1
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0