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Grade 1 Titanium vs. EN AC-21200 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while EN AC-21200 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-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 28
3.9 to 6.2
Fatigue Strength, MPa 170
110 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
27
Tensile Strength: Ultimate (UTS), MPa 310
410 to 440
Tensile Strength: Yield (Proof), MPa 220
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 420
390
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
660
Melting Onset (Solidus), °C 1610
550
Specific Heat Capacity, J/kg-K 540
880
Thermal Conductivity, W/m-K 20
130
Thermal Expansion, µm/m-K 8.8
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
34
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
100

Otherwise Unclassified Properties

Base Metal Price, % relative 37
10
Density, g/cm3 4.5
3.0
Embodied Carbon, kg CO2/kg material 31
8.0
Embodied Energy, MJ/kg 510
150
Embodied Water, L/kg 110
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 230
500 to 930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
46
Strength to Weight: Axial, points 19
38 to 40
Strength to Weight: Bending, points 23
41 to 43
Thermal Diffusivity, mm2/s 8.2
49
Thermal Shock Resistance, points 24
18 to 19

Alloy Composition

Aluminum (Al), % 0
93.3 to 95.7
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
4.0 to 5.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 99.095 to 100
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1