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Grade 1 Titanium vs. 1235 Aluminum

Grade 1 titanium belongs to the titanium alloys classification, while 1235 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 1235 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
69
Elongation at Break, % 28
28 to 34
Fatigue Strength, MPa 170
23 to 58
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 39
26
Shear Strength, MPa 200
52 to 56
Tensile Strength: Ultimate (UTS), MPa 310
80 to 84
Tensile Strength: Yield (Proof), MPa 220
23 to 57

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
640
Specific Heat Capacity, J/kg-K 540
900
Thermal Conductivity, W/m-K 20
230
Thermal Expansion, µm/m-K 8.8
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
60
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
200

Otherwise Unclassified Properties

Base Metal Price, % relative 37
9.5
Density, g/cm3 4.5
2.7
Embodied Carbon, kg CO2/kg material 31
8.3
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
17 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 230
3.8 to 24
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
50
Strength to Weight: Axial, points 19
8.2 to 8.6
Strength to Weight: Bending, points 23
15 to 16
Thermal Diffusivity, mm2/s 8.2
93
Thermal Shock Resistance, points 24
3.6 to 3.7

Alloy Composition

Aluminum (Al), % 0
99.35 to 100
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 0.65
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Silicon (Si), % 0
0 to 0.65
Titanium (Ti), % 99.095 to 100
0 to 0.060
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0 to 0.4
0