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Grade 15 Titanium vs. EN AC-46200 Aluminum

Grade 15 titanium belongs to the titanium alloys classification, while EN AC-46200 aluminum belongs to the aluminum alloys. There are 29 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 15 titanium and the bottom bar is EN AC-46200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 20
1.1
Fatigue Strength, MPa 290
87
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Tensile Strength: Ultimate (UTS), MPa 540
210
Tensile Strength: Yield (Proof), MPa 430
130

Thermal Properties

Latent Heat of Fusion, J/g 420
510
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
620
Melting Onset (Solidus), °C 1610
540
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 8.7
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
28
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
88

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
2.8
Embodied Carbon, kg CO2/kg material 32
7.7
Embodied Energy, MJ/kg 520
140
Embodied Water, L/kg 210
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
2.0
Resilience: Unit (Modulus of Resilience), kJ/m3 870
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 33
21
Strength to Weight: Bending, points 33
28
Thermal Diffusivity, mm2/s 8.4
44
Thermal Shock Resistance, points 41
9.5

Alloy Composition

Aluminum (Al), % 0
82.6 to 90.3
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
2.0 to 3.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0.050 to 0.55
Manganese (Mn), % 0
0.15 to 0.65
Nickel (Ni), % 0.4 to 0.6
0 to 0.35
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
7.5 to 9.5
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 98.2 to 99.56
0 to 0.25
Zinc (Zn), % 0
0 to 1.2
Residuals, % 0
0 to 0.25