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Grade 19 Titanium vs. 1230A Aluminum

Grade 19 titanium belongs to the titanium alloys classification, while 1230A aluminum belongs to the aluminum 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 grade 19 titanium and the bottom bar is 1230A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
69
Elongation at Break, % 5.6 to 17
4.5 to 34
Fatigue Strength, MPa 550 to 620
35 to 74
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 47
26
Shear Strength, MPa 550 to 750
59 to 99
Tensile Strength: Ultimate (UTS), MPa 890 to 1300
89 to 170
Tensile Strength: Yield (Proof), MPa 870 to 1170
29 to 150

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 370
170
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1600
640
Specific Heat Capacity, J/kg-K 520
900
Thermal Conductivity, W/m-K 6.2
230
Thermal Expansion, µm/m-K 9.1
23

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.0
Density, g/cm3 5.0
2.7
Embodied Carbon, kg CO2/kg material 47
8.2
Embodied Energy, MJ/kg 760
150
Embodied Water, L/kg 230
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
6.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 3040 to 5530
5.9 to 150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 33
50
Strength to Weight: Axial, points 49 to 72
9.1 to 17
Strength to Weight: Bending, points 41 to 53
16 to 25
Thermal Diffusivity, mm2/s 2.4
93
Thermal Shock Resistance, points 57 to 83
4.0 to 7.6

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
99.3 to 100
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.7
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Silicon (Si), % 0
0 to 0.7
Titanium (Ti), % 71.1 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
0 to 0.050
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0

Comparable Variants