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Titanium 6-7 vs. 5657 Aluminum

Titanium 6-7 belongs to the titanium alloys classification, while 5657 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is 5657 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
68
Elongation at Break, % 11
6.6 to 15
Fatigue Strength, MPa 530
74 to 88
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
26
Shear Strength, MPa 610
92 to 110
Tensile Strength: Ultimate (UTS), MPa 1020
150 to 200
Tensile Strength: Yield (Proof), MPa 900
140 to 170

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 300
180
Melting Completion (Liquidus), °C 1700
660
Melting Onset (Solidus), °C 1650
640
Specific Heat Capacity, J/kg-K 520
900
Thermal Expansion, µm/m-K 9.3
24

Otherwise Unclassified Properties

Base Metal Price, % relative 75
9.5
Density, g/cm3 5.1
2.7
Embodied Carbon, kg CO2/kg material 34
8.4
Embodied Energy, MJ/kg 540
160
Embodied Water, L/kg 190
1200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
9.7 to 27
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
140 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
50
Strength to Weight: Axial, points 56
15 to 20
Strength to Weight: Bending, points 44
23 to 28
Thermal Shock Resistance, points 66
6.7 to 8.6

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
98.5 to 99.4
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
0 to 0.1
Gallium (Ga), % 0
0 to 0.030
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
0 to 0.1
Magnesium (Mg), % 0
0.6 to 1.0
Manganese (Mn), % 0
0 to 0.030
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 0.080
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.050