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Titanium 6-7 vs. 7204 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7204 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 7204 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
11 to 13
Fatigue Strength, MPa 530
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
130 to 220
Tensile Strength: Ultimate (UTS), MPa 1020
220 to 380
Tensile Strength: Yield (Proof), MPa 900
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 300
210
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
520
Specific Heat Capacity, J/kg-K 520
880
Thermal Expansion, µm/m-K 9.3
24

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.9
Embodied Carbon, kg CO2/kg material 34
8.4
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
25 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
110 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
47
Strength to Weight: Axial, points 56
21 to 36
Strength to Weight: Bending, points 44
28 to 40
Thermal Shock Resistance, points 66
9.4 to 16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
90.5 to 94.8
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.2
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0
1.0 to 2.0
Manganese (Mn), % 0
0.2 to 0.7
Molybdenum (Mo), % 6.5 to 7.5
0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Silicon (Si), % 0
0 to 0.3
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.2
Vanadium (V), % 0
0 to 0.1
Zinc (Zn), % 0
4.0 to 5.0
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15