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Grade 1 Titanium vs. EN AC-51400 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-51400 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 1 titanium and the bottom bar is EN AC-51400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
71
Elastic (Young's, Tensile) Modulus, GPa 110
67
Elongation at Break, % 28
3.4
Fatigue Strength, MPa 170
85
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
25
Tensile Strength: Ultimate (UTS), MPa 310
190
Tensile Strength: Yield (Proof), MPa 220
120

Thermal Properties

Latent Heat of Fusion, J/g 420
400
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
640
Melting Onset (Solidus), °C 1610
600
Specific Heat Capacity, J/kg-K 540
910
Thermal Conductivity, W/m-K 20
110
Thermal Expansion, µm/m-K 8.8
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
31
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
9.1
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
5.6
Resilience: Unit (Modulus of Resilience), kJ/m3 230
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 8.2
46
Thermal Shock Resistance, points 24
8.6

Alloy Composition

Aluminum (Al), % 0
90.5 to 95.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.55
Magnesium (Mg), % 0
4.5 to 6.5
Manganese (Mn), % 0
0 to 0.45
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 1.5
Titanium (Ti), % 99.095 to 100
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15