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Grade 1 Titanium vs. EN AC-46400 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-46400 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-46400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
77 to 120
Elastic (Young's, Tensile) Modulus, GPa 110
72
Elongation at Break, % 28
1.1 to 1.7
Fatigue Strength, MPa 170
75 to 85
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 310
170 to 310
Tensile Strength: Yield (Proof), MPa 220
110 to 270

Thermal Properties

Latent Heat of Fusion, J/g 420
520
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
610
Melting Onset (Solidus), °C 1610
570
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 20
130
Thermal Expansion, µm/m-K 8.8
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
33
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
7.8
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
1.7 to 4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 230
82 to 500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
52
Strength to Weight: Axial, points 19
18 to 32
Strength to Weight: Bending, points 23
26 to 38
Thermal Diffusivity, mm2/s 8.2
55
Thermal Shock Resistance, points 24
7.8 to 14

Alloy Composition

Aluminum (Al), % 0
85.4 to 90.5
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0.8 to 1.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0.25 to 0.65
Manganese (Mn), % 0
0.15 to 0.55
Nickel (Ni), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
8.3 to 9.7
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 99.095 to 100
0 to 0.2
Zinc (Zn), % 0
0 to 0.8
Residuals, % 0
0 to 0.25