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Titanium 6-7 vs. 7003 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 7003 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 7003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
70
Elongation at Break, % 11
11
Fatigue Strength, MPa 530
130 to 150
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
210 to 230
Tensile Strength: Ultimate (UTS), MPa 1020
350 to 390
Tensile Strength: Yield (Proof), MPa 900
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 410
380
Maximum Temperature: Mechanical, °C 300
200
Melting Completion (Liquidus), °C 1700
630
Melting Onset (Solidus), °C 1650
510
Specific Heat Capacity, J/kg-K 520
870
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
8.1
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
37 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
630 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
47
Strength to Weight: Axial, points 56
33 to 37
Strength to Weight: Bending, points 44
37 to 40
Thermal Shock Resistance, points 66
15 to 17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
90.6 to 94.5
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 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.35
Magnesium (Mg), % 0
0.5 to 1.0
Manganese (Mn), % 0
0 to 0.3
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
Zinc (Zn), % 0
5.0 to 6.5
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15