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EN AC-45000 Aluminum vs. Grade 19 Titanium

EN AC-45000 aluminum belongs to the aluminum alloys classification, while grade 19 titanium belongs to the titanium alloys. There are 27 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 EN AC-45000 aluminum and the bottom bar is grade 19 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
120
Elongation at Break, % 1.1
5.6 to 17
Fatigue Strength, MPa 75
550 to 620
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
47
Tensile Strength: Ultimate (UTS), MPa 180
890 to 1300
Tensile Strength: Yield (Proof), MPa 110
870 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 470
400
Maximum Temperature: Mechanical, °C 180
370
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 520
1600
Specific Heat Capacity, J/kg-K 870
520
Thermal Conductivity, W/m-K 120
6.2
Thermal Expansion, µm/m-K 22
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
45
Density, g/cm3 3.0
5.0
Embodied Carbon, kg CO2/kg material 7.7
47
Embodied Energy, MJ/kg 140
760
Embodied Water, L/kg 1070
230

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
70 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 80
3040 to 5530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 47
33
Strength to Weight: Axial, points 17
49 to 72
Strength to Weight: Bending, points 24
41 to 53
Thermal Diffusivity, mm2/s 47
2.4
Thermal Shock Resistance, points 8.0
57 to 83

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.15
5.5 to 6.5
Copper (Cu), % 3.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 1.0
0 to 0.3
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.45
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Silicon (Si), % 5.0 to 7.0
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
71.1 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 0 to 2.0
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4