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Grade 24 Titanium vs. EN AC-44300 Aluminum

Grade 24 titanium belongs to the titanium alloys classification, while EN AC-44300 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is EN AC-44300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 11
1.1
Fatigue Strength, MPa 550
100
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Tensile Strength: Ultimate (UTS), MPa 1010
270
Tensile Strength: Yield (Proof), MPa 940
150

Thermal Properties

Latent Heat of Fusion, J/g 410
570
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
590
Melting Onset (Solidus), °C 1560
580
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.1
130
Thermal Expansion, µm/m-K 9.6
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
33
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
120

Otherwise Unclassified Properties

Density, g/cm3 4.5
2.5
Embodied Carbon, kg CO2/kg material 43
7.7
Embodied Energy, MJ/kg 710
140
Embodied Water, L/kg 310
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
150
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 35
55
Strength to Weight: Axial, points 63
29
Strength to Weight: Bending, points 50
36
Thermal Diffusivity, mm2/s 2.9
58
Thermal Shock Resistance, points 72
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
84.3 to 89.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
0 to 1.0
Manganese (Mn), % 0
0 to 0.55
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
10.5 to 13.5
Titanium (Ti), % 87.5 to 91
0 to 0.15
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0 to 0.4
0 to 0.25