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Grade 1 Titanium vs. EN AC-46300 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-46300 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-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
91
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 28
1.1
Fatigue Strength, MPa 170
79
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 310
200
Tensile Strength: Yield (Proof), MPa 220
110

Thermal Properties

Latent Heat of Fusion, J/g 420
490
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
630
Melting Onset (Solidus), °C 1610
530
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 20
120
Thermal Expansion, µm/m-K 8.8
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
84

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
2.9
Embodied Carbon, kg CO2/kg material 31
7.7
Embodied Energy, MJ/kg 510
140
Embodied Water, L/kg 110
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
1.9
Resilience: Unit (Modulus of Resilience), kJ/m3 230
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
49
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 8.2
47
Thermal Shock Resistance, points 24
9.1

Alloy Composition

Aluminum (Al), % 0
84 to 90
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
3.0 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0
0.2 to 0.65
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
6.5 to 8.0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 99.095 to 100
0 to 0.25
Zinc (Zn), % 0
0 to 0.65
Residuals, % 0
0 to 0.55