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2219 Aluminum vs. Grade C-6 Titanium

2219 aluminum belongs to the aluminum alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 29 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 2219 aluminum and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 2.2 to 20
9.0
Fatigue Strength, MPa 90 to 130
460
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 180 to 480
890
Tensile Strength: Yield (Proof), MPa 88 to 390
830

Thermal Properties

Latent Heat of Fusion, J/g 390
410
Maximum Temperature: Mechanical, °C 230
310
Melting Completion (Liquidus), °C 640
1580
Melting Onset (Solidus), °C 540
1530
Specific Heat Capacity, J/kg-K 870
550
Thermal Conductivity, W/m-K 110 to 170
7.8
Thermal Expansion, µm/m-K 22
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28 to 44
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 81 to 130
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
36
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.2
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1130
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.6 to 60
78
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 1060
3300
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 16 to 43
55
Strength to Weight: Bending, points 23 to 44
46
Thermal Diffusivity, mm2/s 42 to 63
3.2
Thermal Shock Resistance, points 8.2 to 22
63

Alloy Composition

Aluminum (Al), % 91.5 to 93.8
4.0 to 6.0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 5.8 to 6.8
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.3
0 to 0.5
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0.2 to 0.4
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0.020 to 0.1
89.7 to 94
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
0 to 0.4