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Grade 1 Titanium vs. EN AC-46100 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-46100 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-46100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
91
Elastic (Young's, Tensile) Modulus, GPa 110
73
Elongation at Break, % 28
1.0
Fatigue Strength, MPa 170
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
28
Tensile Strength: Ultimate (UTS), MPa 310
270
Tensile Strength: Yield (Proof), MPa 220
160

Thermal Properties

Latent Heat of Fusion, J/g 420
550
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1660
600
Melting Onset (Solidus), °C 1610
540
Specific Heat Capacity, J/kg-K 540
890
Thermal Conductivity, W/m-K 20
110
Thermal Expansion, µm/m-K 8.8
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
90

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
7.6
Embodied Energy, MJ/kg 510
140
Embodied Water, L/kg 110
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 230
170
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
51
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 23
34
Thermal Diffusivity, mm2/s 8.2
44
Thermal Shock Resistance, points 24
12

Alloy Composition

Aluminum (Al), % 0
80.4 to 88.5
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0
1.5 to 2.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 1.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0
0 to 0.55
Nickel (Ni), % 0
0 to 0.45
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
10 to 12
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 99.095 to 100
0 to 0.25
Zinc (Zn), % 0
0 to 1.7
Residuals, % 0
0 to 0.25