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7204 Aluminum vs. Grade 1 Titanium

7204 aluminum belongs to the aluminum alloys classification, while grade 1 titanium belongs to the titanium 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 7204 aluminum and the bottom bar is grade 1 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 11 to 13
28
Fatigue Strength, MPa 110 to 130
170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 130 to 220
200
Tensile Strength: Ultimate (UTS), MPa 220 to 380
310
Tensile Strength: Yield (Proof), MPa 120 to 310
220

Thermal Properties

Latent Heat of Fusion, J/g 380
420
Maximum Temperature: Mechanical, °C 210
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 520
1610
Specific Heat Capacity, J/kg-K 880
540
Thermal Conductivity, W/m-K 150
20
Thermal Expansion, µm/m-K 24
8.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.9
4.5
Embodied Carbon, kg CO2/kg material 8.4
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1140
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 40
79
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 710
230
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 21 to 36
19
Strength to Weight: Bending, points 28 to 40
23
Thermal Diffusivity, mm2/s 58
8.2
Thermal Shock Resistance, points 9.4 to 16
24

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.35
0 to 0.2
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0.2 to 0.7
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Silicon (Si), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
99.095 to 100
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4