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Grade 29 Titanium vs. 358.0 Aluminum

Grade 29 titanium belongs to the titanium alloys classification, while 358.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is 358.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 6.8 to 11
3.5 to 6.0
Fatigue Strength, MPa 460 to 510
100 to 110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
27
Shear Strength, MPa 550 to 560
300 to 320
Tensile Strength: Ultimate (UTS), MPa 930 to 940
350 to 370
Tensile Strength: Yield (Proof), MPa 850 to 870
290 to 320

Thermal Properties

Latent Heat of Fusion, J/g 410
520
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
600
Melting Onset (Solidus), °C 1560
560
Specific Heat Capacity, J/kg-K 560
900
Thermal Conductivity, W/m-K 7.3
150
Thermal Expansion, µm/m-K 9.3
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
36
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
130

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 4.5
2.6
Embodied Carbon, kg CO2/kg material 39
8.7
Embodied Energy, MJ/kg 640
160
Embodied Water, L/kg 410
1090

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
12 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
590 to 710
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
53
Strength to Weight: Axial, points 58 to 59
37 to 39
Strength to Weight: Bending, points 47 to 48
42 to 44
Thermal Diffusivity, mm2/s 2.9
63
Thermal Shock Resistance, points 68 to 69
16 to 17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
89.1 to 91.8
Beryllium (Be), % 0
0.1 to 0.3
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.3
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 0
0 to 0.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
7.6 to 8.6
Titanium (Ti), % 88 to 90.9
0.1 to 0.2
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15