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Grade 19 Titanium vs. EN AC-45300 Aluminum

Grade 19 titanium belongs to the titanium alloys classification, while EN AC-45300 aluminum belongs to the aluminum 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 grade 19 titanium and the bottom bar is EN AC-45300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
71
Elongation at Break, % 5.6 to 17
1.0 to 2.8
Fatigue Strength, MPa 550 to 620
59 to 72
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
27
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
220 to 290
Tensile Strength: Yield (Proof), MPa 870 to 1170
150 to 230

Thermal Properties

Latent Heat of Fusion, J/g 400
470
Maximum Temperature: Mechanical, °C 370
170
Melting Completion (Liquidus), °C 1660
630
Melting Onset (Solidus), °C 1600
590
Specific Heat Capacity, J/kg-K 520
890
Thermal Conductivity, W/m-K 6.2
150
Thermal Expansion, µm/m-K 9.1
22

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 5.0
2.7
Embodied Carbon, kg CO2/kg material 47
8.0
Embodied Energy, MJ/kg 760
150
Embodied Water, L/kg 230
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
2.7 to 5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
160 to 390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
50
Strength to Weight: Axial, points 49 to 72
23 to 29
Strength to Weight: Bending, points 41 to 53
30 to 35
Thermal Diffusivity, mm2/s 2.4
60
Thermal Shock Resistance, points 57 to 83
10 to 13

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
90.2 to 94.2
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
1.0 to 1.5
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.65
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.35 to 0.65
Manganese (Mn), % 0
0 to 0.55
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Silicon (Si), % 0
4.5 to 5.5
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 71.1 to 77
0 to 0.25
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.15
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.15

Comparable Variants