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Titanium 6-7 vs. 5051A Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 5051A 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 5051A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 11
18 to 21
Fatigue Strength, MPa 530
51 to 61
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
110
Tensile Strength: Ultimate (UTS), MPa 1020
170
Tensile Strength: Yield (Proof), MPa 900
56

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
190
Melting Completion (Liquidus), °C 1700
640
Melting Onset (Solidus), °C 1650
610
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
23

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.7
Embodied Carbon, kg CO2/kg material 34
8.5
Embodied Energy, MJ/kg 540
150
Embodied Water, L/kg 190
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
24 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
23
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
50
Strength to Weight: Axial, points 56
17 to 18
Strength to Weight: Bending, points 44
25
Thermal Shock Resistance, points 66
7.6

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
96.1 to 98.6
Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.050
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.45
Magnesium (Mg), % 0
1.4 to 2.1
Manganese (Mn), % 0
0 to 0.25
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 0.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15