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Grade 29 Titanium vs. 7005 Aluminum

Grade 29 titanium belongs to the titanium alloys classification, while 7005 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 29 titanium and the bottom bar is 7005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
70
Elongation at Break, % 6.8 to 11
10 to 20
Fatigue Strength, MPa 460 to 510
100 to 190
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
26
Shear Strength, MPa 550 to 560
120 to 230
Tensile Strength: Ultimate (UTS), MPa 930 to 940
200 to 400
Tensile Strength: Yield (Proof), MPa 850 to 870
95 to 350

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 340
200
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
610
Specific Heat Capacity, J/kg-K 560
880
Thermal Conductivity, W/m-K 7.3
140 to 170
Thermal Expansion, µm/m-K 9.3
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
35 to 43
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
110 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 4.5
2.9
Embodied Carbon, kg CO2/kg material 39
8.3
Embodied Energy, MJ/kg 640
150
Embodied Water, L/kg 410
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
32 to 57
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
65 to 850
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
47
Strength to Weight: Axial, points 58 to 59
19 to 38
Strength to Weight: Bending, points 47 to 48
26 to 41
Thermal Diffusivity, mm2/s 2.9
54 to 65
Thermal Shock Resistance, points 68 to 69
8.7 to 18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
91 to 94.7
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.4
Magnesium (Mg), % 0
1.0 to 1.8
Manganese (Mn), % 0
0.2 to 0.7
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
0 to 0.35
Titanium (Ti), % 88 to 90.9
0.010 to 0.060
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.15

Comparable Variants