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Grade 25 Titanium vs. 852.0 Aluminum

Grade 25 titanium belongs to the titanium alloys classification, while 852.0 aluminum belongs to the aluminum alloys. There are 29 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 25 titanium and the bottom bar is 852.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 11
3.4
Fatigue Strength, MPa 550
73
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 600
130
Tensile Strength: Ultimate (UTS), MPa 1000
200
Tensile Strength: Yield (Proof), MPa 940
150

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 340
190
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
210
Specific Heat Capacity, J/kg-K 560
840
Thermal Conductivity, W/m-K 7.1
180
Thermal Expansion, µm/m-K 9.6
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Density, g/cm3 4.5
3.2
Embodied Carbon, kg CO2/kg material 43
8.5
Embodied Energy, MJ/kg 700
160
Embodied Water, L/kg 320
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
6.2
Resilience: Unit (Modulus of Resilience), kJ/m3 4220
160
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 35
43
Strength to Weight: Axial, points 62
17
Strength to Weight: Bending, points 50
24
Thermal Diffusivity, mm2/s 2.8
65
Thermal Shock Resistance, points 71
8.7

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
86.6 to 91.3
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
1.7 to 2.3
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
0 to 0.7
Magnesium (Mg), % 0
0.6 to 0.9
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0.3 to 0.8
0.9 to 1.5
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
0 to 0.4
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 86.7 to 90.6
0 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.3